Texas Instruments TV Converter Box 65MEVM User Manual

User's Guide  
SLAU189September 2006  
ADS8364/65MEVM  
This user's guide describes the characteristics, operation, and use of the  
ADS8364/65MEVM 16-bit, parallel analog-to-digital converter evaluation module  
(EVM). A complete circuit description, a schematic diagram, and bill of materials is  
included.  
Contents  
1
2
3
4
5
6
7
8
EVM Overview ...................................................................................... 1  
Introduction .......................................................................................... 2  
Analog Interface .................................................................................... 2  
Digital Interface ..................................................................................... 4  
Power Supplies ..................................................................................... 6  
EVM Operation...................................................................................... 6  
EVM Bill of Materials, Assembly Drawing, and Schematic.................................... 7  
Related Documentation From Texas Instruments ............................................ 10  
List of Figures  
1
2
3
Channel A0 Input Circuit........................................................................... 3  
Channel A1 Input Circuit........................................................................... 4  
ADS8364/654MEVM Assembly Drawing ........................................................ 9  
List of Tables  
1
2
3
4
5
6
Typical Analog Input Buffer Circuit Values ...................................................... 3  
Header/Socket Combinations at J5 .............................................................. 5  
J1 Pinout and Functions ........................................................................... 6  
JP1 Pinout ........................................................................................... 6  
ADS8364/65MEVM Jumpers...................................................................... 7  
ADS8364/65MEVM Bill of Materials ............................................................. 7  
1
EVM Overview  
1.1 Features  
Full-featured evaluation board for the ADS8364 and ADS8365 250-kHz, 16-bit, 6-channel,  
simultaneous-sampling, analog-to-digital converter  
Analog inputs can be configured as single-ended or differential  
Modular design allows direct connection to various DSP platforms through the 5-6K and HPA-MCU  
Interface Boards  
Built-in reference  
High-speed parallel interface  
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Analog Interface  
NOTE: Components marked NI are NOT INSTALLED.  
Figure 1. Channel A0 Input Circuit  
This configuration allows single-ended signals of ±2.5 V (+5 Vpp) to be applied to either input of channel  
A0 (J2 pin 1 or 3 referenced to pin 2). The input also can be applied to connector J4 (not shown) pins 2 or  
4, referenced to analog ground.  
3.2 Bipolar Input to Channel A0  
By changing components and setting the appropriate jumper, it is possible to configure the input buffer to  
accept bipolar input voltages. Table 1 is related to the schematic presented in Figure 1 and represents just  
a few of the possible input configurations.  
Table 1. Typical Analog Input Buffer Circuit Values  
Input Voltage  
R3  
R28  
R2  
R25  
R1  
R24  
R4  
R29  
W2  
W1  
Refer to Figure 1  
Default  
0 – +5  
open  
5k  
5kΩ  
5 kΩ  
1–2  
0 – 2.5  
– 2.5 – +2.5  
– 5 – +5  
5 kΩ  
20 kΩ  
20 kΩ  
20 kΩ  
5 kΩ  
4 kΩ  
4 kΩ  
4 kΩ  
open  
20 kΩ  
10 kΩ  
5 kΩ  
5 kΩ  
4 kΩ  
2 kΩ  
1 kΩ  
2–3  
2–3  
2–3  
2–3  
– 10 – +10  
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Digital Interface  
The output from the buffer stage in each case applies 0-5 V to the CHA0(+) input when the applied signal  
is connected to J2 pin 1 or J4 pin 2. The applied signal is directed to the CHA0(-) input when connected  
via J2 pin 3 or J4 pin 4.  
When operating the ADS836x with single-ended signals, it is important to keep the unused ADC input  
biased to +2.5 V. This is easily accomplished on the EVM by changing the components associated with  
either the inverting or noninverting input only, leaving the default component values shown in Table 1 on  
the unused input. For example, to achieve a bipolar input range of ±10 V on CHA0(+), use the component  
values shown for R1–R4 and move the shunt on W2 position 2-3. Components R24, R25, R28, and R29  
and the shunt on W1 should remain in the default conditions shown in Table 1.  
3.3 Analog Input – Channel A1  
The analog input to the ADS8364/65MEVM board for channel A1 is composed of the INA159 difference  
amplifier and the associated circuitry as shown in Figure 2. The INA159 is powered from the +5-V analog  
supply, and arranged as a noninverting amplifier with a gain of 0.2. The internal +2.5-V reference voltage  
of the ADS836x is applied to both REF1 and REF2 pins of the INA159 to provide a direct ±10-V interface  
with built-in level translation to the noninverting input of channel A1.  
Figure 2. Channel A1 Input Circuit  
3.4 Analog Inputs –Channels B0/B1 and C0/C1  
The analog inputs to the remaining ADS836x input channels are routed to connector J3 and configured  
with simple R/C filters only. This configuration allows the EVM user to apply any customized input circuit to  
the data converter. Connector J3 is composed of a male/female pass-through combination of pin header  
and socket with industry standard 0.1-inch centers.  
When the ADS8364/65MEVM is used in combination with the 5-6K Interface Board or HPA-MCU Interface  
Board, the DAP Signal Conditioning Board (SLAU105) can be used to drive the remaining input channels.  
4
Digital Interface  
The ADS8364/65MEVM is designed for easy interfacing to multiple control platforms. Jumper options are  
provided on the EVM to allow control over the state of Chip Select pin (CS) as well as the operating mode  
pins (A0–A2), the Reset pin (RST), and the Conversion Start strobes (HOLD A, HOLDB, and HOLDC).  
4
ADS8364/65MEVM  
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Digital Interface  
Jumpers W4 and W6 control the signals applied to A0, A1, A2, and CS. In the factory default mode, W6 is  
closed by means of a shunt jumper. The Ax and CS pins are controlled by the signals applied to J5 (top or  
bottom side). When used with either the 5-6K or HPA-MCU Interface Boards, these control signals are  
associated with the host processors address bus.  
By removing the shunt jumper located at W6, the A0, A1, and A2 pins are controlled by shunt jumpers  
placed on W4. The CS pin is routed to J5.1, which requires the application of an active-low Chip Select  
signal. A simple shunt jumper placed across J5 pins 1-2 can be used to force the CS pin to ground if  
desired.  
4.1 Parallel Control  
Samtec part numbers SSW-110-22-F-D-VS-K and TSM-110-01-T-DV-P provide a convenient 10-pin,  
dual-row, header/socket combination at J5 (Table 2). This header/socket provides access to the digital  
control pins of the EVM. Consult Samtec at www.samtec.com or 1-800-SAMTEC-9 for a variety of mating  
connector options.  
Table 2. Header/Socket Combinations at J5  
Pin Number  
J5.1  
Signal  
Description  
DC_CSa  
DC_AWE  
DC_ARE  
EVM_A0  
EVM_A1  
EVM_A2  
EVM_A3  
EVM_A4  
DC_TOUT  
DC_INTa  
Daughter Card Chip Select – active-low signal used to access the EVM  
Write Strobe – signal not used on the ADS8364/65M EVM  
Read Strobe – active-low signal used to access parallel data  
EVM Address line 0 – used with U3 to control A0  
EVM Address line 1 – used with U3 to control A1  
EVM Address line 2 – used with U3 to control A2  
EVM Address line 3 – used with U3 and U6 to control CS  
EVM Address line 4 – not used  
J5.3  
J5.5  
J5.7  
J5.9  
J5.11  
J5.13  
J5.15  
J5.17  
J5.19  
Timer Input – optional CLK input used with W8  
Interrupt Output to Host Processor – connects to the ADC EOC pin  
4.2 Parallel Data  
The ADS8364/65MEVM uses Samtec part numbers SSW-116-22-F-D-VS-K and TSM-116-01-T-DV-P to  
provide a convenient 16-pin, dual-row header/socket combination at J6. This header/socket combination  
provides access to the parallel data pins of the ADS7864. Data line D0 is connected to J6 pin 1. Data  
lines 1–15 are located on pins 3–31, respectively. Even pin numbers 2–32 are connected to digital ground.  
4.3 GPIO/Control Options  
Samtec part numbers SSW-110-22-F-D-VS-K and TSM-110-01-T-DV-P provide a 10-pin, dual-row,  
header/socket combination at J1 to facilitate general-purpose input/output (GPIO) control options to the  
ADS836x device installed on the EVM. Table 3 describes the functions and pinout of J1.  
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Power Supplies  
Table 3. J1 Pinout and Functions  
Pin Number  
Signal  
NAP  
Description  
J1.1  
Controls power-down options on the ADS8365 (only) using the NAP input pin  
Controls read options, when HI, address information can be read from the chip  
Active-low signal HOLDC used to start a conversion on ADC channel pair C  
Active-low signal HOLDB used to start a conversion on ADC channel pair B  
Active-low signal HOLDA used to start a conversion on ADC channel pair A  
Active-low signal RESET used to place the ADS7864’s FIFO in reset state  
Unused on the ADS8364/65MEVM  
J1.3  
ADD  
J1.5  
HOLD_C#  
HOLD_B#  
HOLD_A#  
RESET#  
NA  
J1.7  
J1.9  
J1.11  
J1.13  
J1.15  
J1.17  
J1.19  
NA  
Unused on the ADS8364/65MEVM  
DC_TOUTa Used with W10 to allow host processor timer control of HOLDx  
NA Unused on the ADS8364/65MEVM  
5
Power Supplies  
The ADS8364/65MEVM board requires +5 VDC for the both the analog and digital section of the ADC.  
The supply (+Va and +Vd) can range from +4.75 VDC to +5.25 VDC. . The internal buffer can be powered  
through the BVdd input voltage and can range from 2.7 VDC to 5.5 VDC. Because the EVM is designed to  
work with the 5-6K and HPA-MCU Interface Boards, JP1 provides direct connection to the common power  
bus described in SLAU104.  
Table 4 shows the pinout of JP1:  
Table 4. JP1 Pinout  
Signal  
+VA (positive input buffer supply)  
+5VA (+Va to the ADS8364)  
DGND  
Pin Number  
Signal  
-VA (negative input buffer supply)  
-5VA (Unused)  
1
3
5
7
9
2
4
6
AGND  
+1.8VD (Unused)  
8
+VD1 (Unused)  
+3.3VD (used with W5 for support circuitry)  
10  
+5VD (+5V to pin 22 of the ADS8364 and pin 22 of the  
ADS8365)  
Alternate power sources can be applied via various test points located on the EVM. See the schematic at  
the end of this document for details. Note – while filters are provided for all power supply inputs, optimal  
performance of the EVM requires a clean, well-regulated power source.  
5.1 Reference Voltages  
The ADS8364/65MEVM is configured to use its internal reference through jumper W3 (see schematic for  
details). If an external reference is desired, the shunt jumper on W3 should be moved to cover pins 1-2;  
the external reference source can be applied to the test point labeled TP10 referenced to TP12. The  
internal +2.5-V reference is still connected to the input buffer U1 in this case to ensure proper mid-point  
biasing to channel A1.  
6
EVM Operation  
The analog input swing is 5 Vpp, centered on a +2.5-V internal or external reference. The installed device  
accepts bipolar input ranges when a level shift circuit is used in the analog front-end circuitry. For  
information on various circuit configurations, see section 3.2 of this document or section 12 of Op-Amps  
for Everyone (SLOD006) .  
Once power is applied to the EVM, the analog input source can be connected directly to J3 or J4 (top or  
bottom side) or through optional amplifier and signal-conditioning modules using the 5-6K and HPA-MCU  
Interface Boards. The analog input level should not exceed 5 Vp-p. The analog input range is from ±Vref  
(typically 2.5 VDC) centered at +2.5 V.  
6
ADS8364/65MEVM  
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EVM Bill of Materials, Assembly Drawing, and Schematic  
The digital control signals can be applied directly to J1 and J5 (top or bottom side). The  
ADS8364/65MEVM can also be connected directly to the 5-6K Interface Board for use with a variety of  
C5000™ and C6000™ series DSP Starter Kits (DSK), or the HPA-MCU Interface Board for use with  
C2000™ Series DSPs and TMS470™ Series controllers. The Control and Data connectors are designed  
to allow pattern generators and/or logic analyzers to be connected to the EVM using standard ribbon-type  
cables on 0.1-inch centers.  
The BYTE signal, which controls the output of the ADS836x when used with 8-bit controllers, can be  
manipulated with jumper W7. By default, W7 is closed and the BYTE pin is held low, providing data in  
16-bit format. Removing the shunt at W7 asserts BYTE high by means of pullup resistor R23.  
The conversion clock can be applied to J7, a BNC connector with a 50-terminator, or J5 as mentioned  
previously. Jumper W8 allows the EVM user to select the clock source. In normal operation (factory  
default) the shunt on jumper W8 is covering pins 2-3. To use a clock source applied to the BNC connector  
J7, move the shunt at jumper W8 to cover pins 1-2. In either case, the conversion clock can be monitored  
at TP21.  
6.1 Default Jumper Locations  
Table 5 provides a list of jumpers found on the EVM and their factory default conditions.  
Table 5. ADS8364/65MEVM Jumpers  
Jumper  
W1  
Shunt Position Jumper Description  
Pins 1-2  
Pins 1-2  
Pins 2-3  
OPEN  
Controls CHA1(+) input source selection  
W2  
Controls CHA1(–) input source selection  
Controls reference source (default is internal)  
3x2 Jumper to control A0, A1, A2  
Controls BVdd Selection  
W3  
W4  
W5  
Pins 1-2  
Closed  
W6  
Controls application of A0, A1 and A2 signals as well as the chip select input. Used in conjunction  
with W4.  
W7  
W8  
W9  
W10  
Closed  
Pins 2-3  
NA  
Controls BYTE input, opening W7 forces BYTE high via R23  
Controls application of conversion clock source via J5 or J7  
W9 pins 2-3 are wired short on the PWB  
TIMER  
3×3 Jumper to control HOLDx signals – timer or GPIO options available  
7
EVM Bill of Materials, Assembly Drawing, and Schematic  
7.1 Bill of Materials  
Table 6 contains a complete Bill of Materials for the ADS8364/65MEVM.  
Table 6. ADS8364/65MEVM Bill of Materials  
Designators  
Description  
Manufacturer  
Mfg. Part Number  
C2 C3 C7 C10–C12 0.1uF, 0603, Ceramic, X7R, 25V, 10%  
TDK Corp.  
C1608X7R1E104K  
C18 C37–C39 C41  
C45–C49 C52  
C35 C36 C42–C44  
C53  
1nF, 0603, Ceramic, COG, 50V, 5%  
TDK Corp.  
C1608C0G1H102J  
EMK212BJ106KG-T  
C5 C6 C8 C9 C13  
C15  
10µF, 0805, Ceramic, X5R, 16V, 10%  
Taiyo Yuden  
C1 C19  
33pF, 0805, Ceramic, COG, 50V, 5%  
0.01µF, 0603, Ceramic, COG, 25V, 5%  
100pF, 0603, Ceramic, COG, 50V, 5%  
1µF, 0603, Ceramic, X7R, 16V, 10%  
TDK Corp.  
TDK Corp.  
TDK Corp.  
TDK Corp.  
C1608C0G1H330J  
C1608C0G1E103J  
C1608C0G1H101J  
C1608X7R1C105K  
C22 C24  
C16 C14 C25–C34  
C50  
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EVM Bill of Materials, Assembly Drawing, and Schematic  
Table 6. ADS8364/65MEVM Bill of Materials (continued)  
Designators  
D1 D2  
Description  
Manufacturer  
Chicago Miniature  
Samtec  
Mfg. Part Number  
CMD15-21VGC/TR8  
SSW-110-22-S-D-VS  
Green LED  
10 Pin, Dual Row, SMT Socket (20 Pos.)  
J1 J3–J5(Bottom  
Side)  
J1 J3–J5 (Top Side) 10 Pin, Dual Row, SMT Header (20 Pos.)  
Samtec  
TSM-110-01-T-D-V-P  
ED555/3DS  
J2  
3 Terminal Screw Connector  
On-Shore Tech.  
Samtec  
J6 (Bottom Side)  
J6 (Top Side)  
J7  
16 Pin, Dual Row, SMT Socket (32 Pos.)  
16 Pin, Dual Row, SMT Header (32 Pos.)  
PCB Mount BNC  
SSW-116-22-S-D-VS  
TSM-116-01-T-D-V-P  
31-5329  
Samtec  
Amphenol  
Samtec  
JP1(Bottom Side)  
JP1 (Top Side)  
FB1–FB5  
5 Pin, Dual Row, SMT Socket (10 Pos.)  
5 Pin, Dual Row, SMT Header (10 Pos.)  
0805 size Ferrite Bead  
SSW-105-22-S-D-VS  
TSM-105-01-T-D-V-P  
MMZ2012D121B  
9C08052A4991FKHFT  
Samtec  
TDK Corp.  
Yageo Corp.  
R1 R2 R4 R24 R25 4.99k, 1%, 0805, .1W Resistor  
R29  
R5–R14 R20 R21  
R31 R36  
49.9 , 0603, 1%, 0.1W Resistor  
Yageo Corp.  
Yageo Corp.  
RC0603FR-0749R9L  
RC0603JR-0710KL  
R16–R19 R22 R23  
R34 R35  
10k, 0603, 5%, 0.1W Resistor  
R26 R27  
R15 R32  
2k, 0805, 0.1W Resistor  
0 , 0603, 0.1W Resistor  
Red Test Point Loop  
Yageo Corp.  
Yageo Corp.  
Keystone  
9C08052A2001JLHFT  
RC0603JR-070RL  
5000  
TP1–TP3 TP8 Tp9  
TP10 TP20  
AGND DGND TP12 Black Test Point Loop  
Keystone  
Keystone  
5001  
5015  
TP11 TP13–TP17  
TP21–TP24  
SMT Test Point Loop – Shown on Silkscreen as: A0,  
A1, A2, RST, RD, WR, CS, CLOCK, FD, EOC  
OPA2132, SOIC  
OPA2340; DGK package  
ADS8364  
U1  
Texas Instruments  
Texas Instruments  
Texas Instruments  
Texas Instruments  
Texas Instruments  
Texas Instruments  
Texas Instruments  
Samtec  
OPA2132UA  
U2  
OPA2340EA  
U4  
ADS8364Y/250  
INA159AIDGKR  
SN74CBT3257PWR  
SN74AHC1G04DBVT  
SN74AHC125PW  
TSW-103-07-L-S  
TSW-102-07-L-S  
TSW-103-07-L-D  
TSM-103-07-L-T  
U5  
INA159; DGK package  
SN74CBT3257PW  
SN74AHC1G04  
U3  
U6  
U7  
SN74AHC125  
W1–W3 W5 W8  
W6 W7  
W4  
3 Pin Header  
2 Pin Header  
Samtec  
2×3 Header  
Samtec  
W10  
3×3 Header  
Samtec  
C4 C17 C20 C21  
C23 C51 R3 R28  
R33 W9  
Not Installed  
8
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7.2 Assembly Drawing  
Figure 3 shows the top layer of the ADS8364/65MEVM and provides quick access to component  
designator found on the PWB. Complete Gerber files are available on request.  
Figure 3. ADS8364/654MEVM Assembly Drawing  
7.3 Circuit Schematics  
The entire circuit schematic for the ADS8364/65MEVM appears on the following page.  
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2
3
4
5
6
Revision History  
REV  
ECN Number  
Approved  
Note:  
Components marked "NI"  
are NOT installed!  
C1  
33pF  
W1  
TP7  
R2  
R4  
4.99K  
4.99K  
-Vin  
D
C
B
A
D
C
B
A
Op Amp Bypass  
+Vin  
U1A  
J2  
2
3
R8  
R14  
49.9  
R12  
49.9  
A0In  
1
C0+  
A0+  
B0+  
R3  
NI  
49.9  
1
C24  
0.01uF  
C23  
NI  
C26  
100pF  
OPA2132  
C31  
100pF  
C29  
100pF  
C4  
2
3
NI  
+Vin  
R1  
C22  
0.01uF  
C21  
NI  
Vref  
4.99K  
C19  
C42  
1nF  
C43  
1nF  
-Vin  
C44  
1nF  
33pF  
W2  
TP6  
R25  
R29  
4.99K  
4.99K  
U1B  
6
5
R7  
49.9  
R13  
49.9  
R11  
49.9  
7
C0-  
A0-  
B0-  
R28  
NI  
C25  
100pF  
OPA2132  
C30  
100pF  
C34  
100pF  
C20  
NI  
J4  
AVdd  
R24  
4.99K  
Vref  
1
3
5
7
9
2
4
6
8
10  
C17  
NI  
R33  
NI  
Vref  
11 12  
13 14  
15 16  
17 18  
19 20  
U5  
REF1  
1
2
8
5
REF2  
W9  
Wire Short  
SENSE  
Analog Input  
IN-  
R21  
49.9  
6
OUT  
A1+  
3
4
IN+  
AVdd  
C16  
100pF  
C51  
NI  
R9  
49.9  
R5  
49.9  
7
V-  
V+  
B1+  
C1+  
INA159  
C53  
1nF  
C18  
0.1uF  
C27  
100pF  
C32  
100pF  
R20  
49.9  
A1-  
C50  
1uF  
C14  
100pF  
C36  
1nF  
C35  
1nF  
R10  
49.9  
R6  
49.9  
B1-  
C1-  
J3  
C28  
100pF  
C33  
100pF  
1
3
5
7
9
2
4
6
8
10  
11 12  
13 14  
15 16  
17 18  
19 20  
ti  
A
12500 TI Boulevard. Dallas, Texas 75243  
Analog Input  
Title:  
ADS8364/65 Modular Evaluation Module  
Tom Hendrick  
Tom Hendrick  
Engineer:  
Drawn By:  
FILE:  
B
SIZE:  
DATE:  
REV:  
14-Jul-2006  
SHEET:  
OF:  
1
3
mADS8364_2_SH1.Sch  
1
2
3
4
5
6
 
1
2
3
4
5
6
ADC Bypass  
DVdd AVdd  
J5  
BVdd  
DC_CSa  
DC_AWE  
DC_ARE#  
A0  
A1  
A2  
BVdd  
1
3
5
7
9
2
4
6
C12  
C48  
0.1uF  
C47  
0.1uF  
C46  
0.1uF  
C40  
0.1uF  
C39  
C38  
C37  
0.1uF  
8
AVdd  
DVdd  
BVdd  
0.1uF  
0.1uF  
0.1uF  
10  
U3  
1B1  
11 12  
13 14  
15 16  
17 18  
19 20  
A3  
4
7
2
3
BA0  
BA1  
BA2  
CS#  
EVM_A0  
EVM_A1  
EVM_A2  
1A  
2A  
3A  
4A  
D
C
B
A
D
C
B
A
1B2  
DC_TOUT  
DC_INTa  
BGND  
TP17  
TP13  
5
6
2B1  
2B2  
TP21  
Parallel Control  
TP15  
28  
9
11  
10  
CLK  
CLK  
3B1  
3B2  
BVdd  
C52  
J7  
TP14  
M_A0  
M_A1  
M_A2  
0.1uF  
63  
64  
51  
52  
12  
14  
13  
RESET#  
ADD  
DC_TOUT  
A0+  
A0-  
A0+  
A0-  
RESET#  
ADD  
4B1  
4B2  
U7  
W8  
1
2
4
5
10  
9
13  
12  
R31  
49.9  
TP22  
BVdd  
1OE  
1
2
53  
54  
55  
BA2  
BA1  
BA0  
BVdd  
EVM_A0 3  
A0  
A1  
A3  
A2  
A1-  
A1+  
A1-  
A1+  
A2  
A1  
A0  
R19  
10K  
1Y  
1A  
2OE  
2A  
3OE  
3A  
4OE  
4A  
1
15  
S
/OE  
U6  
6
8
EVM_A1  
EVM_A3  
R22  
10K  
2Y  
3Y  
4Y  
5
A_REF  
4
2
EVM_A3  
56  
57  
58  
HOLD_A#  
HOLD_B#  
HOLD_C#  
HOLD_A#  
HOLD_B#  
HOLD_C#  
SN74CBT3257PWR  
SN74X1G04  
DC_CSa  
6
7
11  
EVM_A2  
B0+  
B0-  
B0+  
B0-  
TP11  
TP24  
SN74AHC125  
26  
27  
FD  
DC_INTa  
FD  
EOC#  
BVdd  
W6  
11  
12  
B1-  
B1+  
B1-  
B1+  
TP16  
29  
30  
DC_ARE#  
DC_AWE  
RD#  
WR#  
10  
U4  
ADS8364/65  
B_REF  
J6  
BVdd  
BVdd  
TP23  
DC_D0  
DC_D1  
DC_D2  
DC_D3  
DC_D4  
DC_D5  
DC_D6  
DC_D7  
DC_D8  
DC_D9  
DC_D10  
DC_D11  
DC_D12  
DC_D13  
DC_D14  
DC_D15  
R16  
10K  
R17  
10K  
R18  
10K  
31  
CS#  
1
2
4
6
8
10  
CS#  
16  
17  
3
5
7
9
C0+  
C0-  
C0+  
C0-  
R35  
10K  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
R34  
10K  
DC_D0  
DC_D1  
DC_D2  
DC_D3  
DC_D4  
DC_D5  
DC_D6  
DC_D7  
DC_D8  
DC_D9  
DC_D10  
DC_D11  
DC_D12  
DC_D13  
DC_D14  
DC_D15  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
D8  
M_A0  
M_A1  
M_A2  
J1  
18  
19  
C1-  
C1+  
C1-  
C1+  
/NAP  
ADD  
GP(CLKR)  
GP(FSX)  
GP(FSR)  
RESET#  
11 12  
13 14  
15 16  
17 18  
19 20  
21 22  
23 24  
25 26  
27 28  
29 30  
31 32  
1
2
4
6
8
10  
11 12  
13 14  
15 16  
17 18  
19 20  
3
5
7
9
15  
C_REF  
W4  
TP8  
62  
61  
W10  
REFIN  
D9  
GP(CLKR)  
GP(FSX)  
GP(FSR)  
D10  
D11  
D12  
D13  
D14  
D15  
DC_TOUTa  
REFOUT  
ADC Control  
HOLD_A#  
HOLD_B#  
HOLD_C#  
ADC Data Bus  
McBSP 1 Setup  
23  
BYTE  
BVdd  
ADD = CLKX1 (GP OUT)  
HOLD A# = CLKR1 (GP OUT)  
HOLD B# = FSX1 (GP OUT)  
HOLD C# = FSR1 (GP OUT)  
RESET# = DX1 (GP OUT)  
FD = DR1 (GP IN)  
R23  
10K  
W7  
R15  
0 ohm  
BGND  
+3.3VD +1.8VD +5VA +VA  
-VA -5VA +VD1 +5VD  
JP1  
W3  
EXT. REF.  
TP10  
1
2
4
6
3
5
7
9
C8  
10uF  
C7  
0.1uF  
8
10  
AVdd  
C45  
TP12  
R36  
49.9  
DGND  
+5VD  
AGND  
+VIN  
DVdd  
+VA  
AVdd  
+5VA  
TP9  
TP2  
0.1uF  
FB1  
C49  
FB3  
R26  
U2B  
5
TP3  
U2A  
2K  
FB5  
C15  
3
2
7
C6  
10uF  
D2  
Green  
C3  
0.1uF  
1
6
10uF  
Vref  
0.1uF  
C9  
10uF  
C10  
0.1uF  
C41  
0.1uF  
OPA2340  
OPA2340  
+5VD  
+3.3VD  
-VIN  
-VA  
W5  
TP1  
BVdd  
FB4  
R27  
TP20  
2K  
C5  
FB2  
ti  
DATE:  
D1  
Green  
C2  
0.1uF  
12500 TI Boulevard. Dallas, Texas 75243  
10uF  
C13  
Title:  
C11  
10uF  
R32  
0 ohm  
0.1uF  
ADS8364/65 Modular Evaluation Module  
Tom Hendrick  
Tom Hendrick  
Engineer:  
Drawn By:  
FILE:  
SIZE:  
REV:  
B
14-Jul-2006  
A
BGND  
2
SHEET:  
OF:  
3
1
2
3
4
5
6
 
Related Documentation From Texas Instruments  
8
Related Documentation From Texas Instruments  
1. ADS8364, 250kHz, 16-Bit, 6-Channel Simultaneous Sampling Analog-to-Digital Converters data sheet  
(SBAS219)  
2. ADS8365, 250kHz, 16-Bit, 6-Channel Simultaneous Sampling Analog-to-Digital Converter data sheet  
(SBAS362)  
3. OPA2132, High-Speed FET-Input Operational Amplifiers data sheet (SBOS054)  
4. INA159, Precision Gain of 0.2 Level Translation Difference Amplifier data sheet (SBOS333)  
5. 5-6K Interface Board User's Guide (SLAU104)  
6. DAP Signal Conditioning Board User's Guide (SLAU105)  
7. ×HPA-MCU Interface Board User's Guide (SLAU106)  
8. Designing Modular EVMs for Data Acquisition Products application report (SLAA185)  
9. Data Converters for Industrial Power Management application report (SBAA117)  
10. Op-Amps for Everyone application report (SLOD006)  
10  
ADS8364/65MEVM  
SLAU189September 2006  
Submit Documentation Feedback  
 
 
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logic.ti.com  
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power.ti.com  
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microcontroller.ti.com  
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