TC7126CPL Microchip Technology, TC7126CPL Datasheet - Page 17

• Manufacturer Part Number: TC7126CPL
• Description: IC ADC 3 1/2DGT LCD DVR 40-DIP
• Manufacturer: Microchip Technology

Specifications of TC7126CPL

• Display Type: LCD
• Configuration: 7 Segment
• Digits Or Characters: A/D 3.5 Digits
• Current - Supply: 55µA
• Voltage - Supply: 9V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 40-DIP (0.600", 15.24mm)
• Resolution (bits): 3.5bit
• Input Channel Type: Differential
• Data Interface: Parallel
• Supply Voltage Range - Analogue: 9V
• Supply Current: 55µA
• No. Of Pins: 40
• Operating Temperature Range: 0°C To +70°C
• Digital Ic Case Style: DIP
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: TC7126CPLR; TC7126CPLR

The display will over range for R
R
FIGURE 8-2:
Ratiometric Resistance Measurement
FIGURE 8-3:
© 2006 Microchip Technology Inc.
STANDARD
R
UNKNOWN
V
900kΩ
IN
R
90kΩ
10kΩ
9MΩ
STANDARD
COM
(see Figure 8-2).
C1 = 3pF to 10pF, Variable
C2 = 132pF, Variable
200V
20V
C1
2V
C2
200mV
Low Parts Count
3-1/2 Digit True RMS AC DMM
ANALOG
COMMON
V
V
V
V
REF
REF
IN
IN
TC7126A
+
-
1N4148
0.02μF
47kΩ
10%
+
1Ω
-
V+
UNKNOWN
1MΩ
10MΩ
6.8μF
20kΩ
10%
LCD
+
1μF
≥ 2 x
+
1
2
3
4
5
6
7
AD636
14
13
12
11
10
9
8
2.2
μF
1MΩ 10%
240kΩ
10kΩ
Segment
0.01
μF
Drive
36
35
32
31
30
26
1
TC7126/A
9V
V +
V
V
ANALOG
COMMON
V
V
V-
REF
REF
OUT
IN
TC7126A
+
+
-
+
V -
LCD
26
DS21458C-page 17
BP
27
29
28
40
38
39