Datasheet
2002-2012 Microchip Technology Inc. DS21456D-page 7
TC7109/A
Note: All Digital levels are positive true.
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).
TABLE 2-1: PIN FUNCTION TABLE (CONTINUED)
Pin Number
(40-Pin PDIP)
Symbol Description