TC820CLW Microchip Technology, TC820CLW Datasheet - Page 14

• Manufacturer Part Number: TC820CLW
• Description: IC ADC 3 3/4DGT LGC PROBE 44PLCC
• Manufacturer: Microchip Technology

Specifications of TC820CLW

• Display Type: LCD
• Configuration: 7 Segment + 2 Annunciators
• Digits Or Characters: A/D 3.75 Digits
• Current - Supply: 1mA
• Voltage - Supply: 9V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -

TC820
FIGURE 3-7:
FIGURE 3-8:
DS21476C-page 14
V+ V-
Power
Source
Common Mode Voltage Removed In Battery Operation With V
Common Mode Voltage Reduces Available Integrator Swing (V
V+
V-
Measured
GND
System
GND
+
–
V
V
CM
IN
Where:
C
T
R
Analog
Common
V
V
V
+
–
V
I
I
BUF
Input Buffer
I
IN
IN
= Integration Time =
= Integration Capacitor
I
= Integration Resistor
+
-
=
R
I
T
C
I
C
V
I
AZ
REF
[
V
CM
V
-
R
INT
TC820
V
I
REF
– V
IN
+
Segment
Drive
F
4000
V
[
OSC
DD
+
–
+
9V
C
Integrator
I
BP1
V
SS
OSC1
OSC2
OSC3 NC
BP2
LCD
BP3
© 2007 Microchip Technology Inc.
V
I
IN
COM
= Analog Common.
≠
V
IN
).