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OP8666 Analog Input Connectors

Owned by Sylvain Ménard
Last updated: Mar 11, 2023
2 min read

Note

Both DB37 and DB50 connectors have the same electrical connection; therefore inputs can only be connected to either of them at the same time.
But the corresponding pin of an input on a connector can be used for monitoring on the other connector.

Information

The DB37 connector pin mapping matches the one directly found on OPAL-RT's line of simulators and I/O expansion units.



Pin Number


TMS320F28379D

Pin Name

DB50

DB37

Description

ADC Channel

Pin No.

CH1

17

1

16-Bit Differential Input ADC, ±10V Range, 360 ksps

ADC-A0 / ADC-A1

U1 – T1

CH2

49

2

16-Bit Differential Input ADC, ±10V Range, 360 ksps

ADC-A2 / ADC-A3

U2 – T2

CH3

32

3

16-Bit Differential Input ADC, ±10V Range, 360 ksps

ADC-A4 / ADC-A5

U3 – T3

CH4

15

4

16-Bit Differential Input ADC, ±10V Range, 360 ksps

ADC-B0 / ADC-B1

V2 – W2

CH5

47

5

12-Bit Single Ended Input ADC, ±10V Range, 430 ksps

ADC-D0

T5

CH6

30

6

12-Bit Single Ended Input ADC, ±10V Range, 430 ksps

ADC-D1

U5

CH7

13

7

12-Bit Single Ended Input ADC, ±10V Range, 430 ksps

ADC-D2

T6

CH8

45

8

12-Bit Single Ended Input ADC, ±10V Range, 430 ksps

ADC-D3

U6

CH9

28

9

16-Bit Differential Input ADC, ±10V Range, 360 ksps

ADC-B2 / ADC-B3

V3 – W3

CH10

11

10

16-Bit Differential Input ADC, ±10V Range, 360 ksps

ADC-B4 / ADC-B5

V4 – W4

CH11

43

11

16-Bit Differential Input ADC, ±10V Range, 360 ksps

ADC-C2 / ADC-C3

R3 – P3

CH12

26

12

16-Bit Differential Input ADC, ±10V Range, 360 ksps

ADC-C4 / ADC-C5

R4 – P4

CH13

9

13

12-Bit Single Ended Input ADC, ±10V Range, 430 ksps

ADC-D4

T7

CH14

41

14

12-Bit Single Ended Input ADC, ±10V Range, 430 ksps

ADC-D5

U7

CH15

24

15

12-Bit Single Ended Input ADC, ±10V Range, 430 ksps

ADCIN14

T4

CH16

7

16

12-Bit Single Ended Input ADC, ±10V Range, 430 ksps

ADCIN15

U4

GND

1-6, 8, 10, 12, 14, 16, 18-23, 25, 27, 29, 31, 33-40, 42, 44, 46, 48, 50

20-35

Analog Ground

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