TC7109_13 Datasheet, PDF (7/32 Pages) Microchip Technology – 12-Bit A-Compatible Analog-to-Digital Converters

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 C_AZ.
32
INT
Integrator Output – Outside foil of C_INT.
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.
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DS21456D-page 7