tc7109a Microchip Technology Inc., tc7109a Datasheet - Page 7

• Manufacturer Part Number: tc7109a
• Description: 12-bit ?-compatible Analog-to-digital Converters
• Manufacturer: Microchip Technology Inc.

Note:
© 2006 Microchip Technology Inc.
TABLE 2-1:
(40-Pin PDIP)
Pin Number
30
31
32
33
34
35
36
37
38
39
40
All Digital levels are positive true.
PIN FUNCTION TABLE (CONTINUED)
REF CAP+
COMMON
REF CAP-
REF IN+
Symbol
REF IN-
BUFF
IN LO
IN HI
INT
AZ
V+
Buffer Amplifier Output.
Auto-Zero Node – Inside foil of C
Integrator Output – Outside foil of C
Analog Common – System is auto-zeroed to COMMON.
Differential Input Low Side.
Differential Input High Side.
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).
AZ
.
INT
.
Description
TC7109/A
DS21456C-page 7