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SSW-105-22-F-DVS-K Datasheet(PDF) 4 Page - Texas Instruments

Part No. SSW-105-22-F-DVS-K
Description  Contains all support circuitry needed
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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SSW-105-22-F-DVS-K Datasheet(HTML) 4 Page - Texas Instruments

 
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Analog Interface
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2
Analog Interface
For maximum flexibility, the ADS7953EVM is designed for easy interfacing to multiple analog sources.
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 P1. This header/socket provides access to the analog input pins
associated with CH0-CH7 of the ADS7953. Consult Samtec at http://www.samtec.com or call
1-800-SAMTEC-9 for a variety of mating connector options. Samtec part number TMS-108-02-G-D
provides access to analog input channels CH8-CH15 at J1.
Most of the pins on P1 and J1 are directly connected to the ADS7953 using a simple R/C filter with no
additional overvoltage protection circuitry. Use appropriate caution when handling these pins. Table 2 and
Table 3 summarize the pinouts for analog interfaces P1 and J1, respectively.
Table 2. Primary Analog Interface Pinout
Pin Number
Signal
Description
P1.2
CH7
CH7 input
P1.4
CH6
CH6 input
P1.6
CH5
CH5 input
P1.8
CH4
CH4 input
P1.10
CH3
CH3 input
P1.12
CH2
CH2 input
P1.14
CH1
CH1 input
P1.16
CH0
CH0 input
External reference source input (
– side of
P1.18
EXTREFN
differential input)
External reference source input (+ side of
P1.20
EXTREFP
differential input)
J9.15
Unused
P1.1-19 (odd)
AGND
Analog ground connections (except J1.15)
Table 3. Secondary Analog Interface Pinout
Pin Number
Signal
Description
J1.2
CH15
CH15 input
J1.4
CH14
CH14 input
J1.6
CH13
CH13 input
J1.8
CH12
CH12 input
J1.10
CH11
CH11 input
J1.12
CH10
CH10 input
J1.14
CH9
CH9 input
J1.16
CH8
CH8 input
J1.1-15 (odd)
AGND
Analog ground connections
4
ADS79xxEVM and ADS79xxEVM-PDK
SLAU262C
– January 2009 – Revised May 2011
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Copyright
© 2009–2011, Texas Instruments Incorporated


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