TC7107CPL Microchip Technology, TC7107CPL Datasheet - Page 21

• Manufacturer Part Number: TC7107CPL
• Description: IC ADC 3 1/2DGT LED DVR 40-DIP
• Manufacturer: Microchip Technology

Specifications of TC7107CPL

• Package / Case: 40-DIP (0.600", 15.24mm)
• Display Type: LED
• Configuration: 7 Segment
• Digits Or Characters: A/D 3.5 Digits
• Current - Supply: 800µA
• Voltage - Supply: 5V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Architecture: Dual Slope
• Input Type: Voltage
• Maximum Power Dissipation: 1230 mW
• Maximum Operating Temperature: + 70 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Interface: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 158-1129; 158-1129

FIGURE 10-4:
Coefficient Resistor Temperature Sensor.
FIGURE 10-5:
Reference: 200 mV Full Scale, 3 Readings-Per-
Second (RPS).
© 2008 Microchip Technology Inc.
0.7%/×C
TC7106A
PTC
5.6 k Ω
1N914
To Pin 1
R
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
3
20 k Ω
20 k Ω
0.22 µF
0.47 µF
To Display
R
R
Positive Temperature
TC7106A, Using the Internal
0.1 µF
1
2
To Backplane
100 k
100 pF
160 k Ω
Set V
Ω
1 k Ω
47 k Ω
REF
0.01 µF
V
V
V
V
Common
= 100 mV
V+
IN
IN
REF
REF
22 k Ω
-
+
TC7106A
1M Ω
+
-
+
+
–
9V
9V
+
–
V-
IN
FIGURE 10-6:
200 mV Full Scale, 3RPS, V
Single Ended Inputs.
FIGURE 10-7:
Range and Over Range Signals from TC7106A
Outputs.
TC7106/A/TC7107/A
TC7107A
O/R
U/R
CD4023
OR 74C10
To Pin 1
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
To Logic
0.47 µF
0.22µF
To Display
V
CC
0.1 µF
V+
TC7107 Internal Reference:
Circuit for Developing Under
CD4077
100 k Ω
100 pF
1 k Ω
Set V
47 k Ω
IN
O/R = Over Range
U/R = Under Range
1
20
- Tied to GND for
0.01 µF
TC7106A
REF
DS21455D-page 21
22 k Ω
1 M Ω
= 100 mV
40
21
+
–
To Logic
IN
V
+5V
-5V
V-
CC