TC7109AI 查看數據表（PDF） - Microchip Technology

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TC7109AI

12-Bit μA-Compatible Analog-to-Digital Converters

Microchip Technology 

TC7109/A

TABLE 2-1: PIN FUNCTION TABLE (CONTINUED)

Pin Number

(40-Pin PDIP)

Symbol

Description

30

BUFF

Buffer Amplifier Output.

31

AZ

Auto-Zero Node – Inside foil of CAZ.

32

INT

Integrator Output – Outside foil of CINT.

33

COMMON Analog Common – System is auto-zeroed to COMMON.

34

IN LO

Differential Input Low Side.

35

IN HI

Differential Input High Side.

36

REF IN+

Differential Reference Input Positive.

37

REF CAP+ Reference Capacitor Positive.

38

REF CAP- Reference Capacitor Negative.

39

REF IN-

Differential Reference Input Negative.

40

V+

Positive Supply Voltage – Nominally +5V with respect to GND (Pin 1).

Note: All Digital levels are positive true.

© 2006 Microchip Technology Inc.

DS21456C-page 7

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