TC7109/A
TABLE 2-1:
PIN FUNCTION TABLE (CONTINUED)
Pin Number
(40-Pin PDIP)
Symbol
Description
30
31
32
33
34
35
36
37
38
39
40
BUFF
AZ
Buffer Amplifier Output.
Auto-Zero Node – Inside foil of C
.
AZ
INT
Integrator Output – Outside foil of C
.
INT
COMMON
IN LO
Analog Common – System is auto-zeroed to COMMON.
Differential Input Low Side.
IN HI
Differential Input High Side.
REF IN+
REF CAP+
REF CAP-
REF IN-
V+
Differential Reference Input Positive.
Reference Capacitor Positive.
Reference Capacitor Negative.
Differential Reference Input Negative.
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
MICROCHIP [ MICROCHIP ]
