TC7116CPL Microchip Technology, TC7116CPL Datasheet - Page 6

• Manufacturer Part Number: TC7116CPL
• Description: IC ADC 3 1/2DGT LCD DVR 40-DIP
• Manufacturer: Microchip Technology

Specifications of TC7116CPL

• Display Type: LCD
• Configuration: 7 Segment
• Digits Or Characters: A/D 3.5 Digits
• Current - Supply: 800µA
• 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: 800µA
• No. Of Pins: 40
• Operating Temperature Range: 0°C To
• 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

TC7116/A/TC7117/A
2.0
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
DS21457C-page 6
(40-Pin CERDIP)
(40-Pin PDIP)
Pin Number
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
1
2
3
4
5
6
7
8
9
PIN DESCRIPTIONS
PIN FUNCTION TABLE
(44-Pin PQFP)
Pin Number
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
34
35
36
37
38
39
40
41
11
8
9
COMMON This pin is primarily used to set the Analog Common mode voltage for battery
Symbol
HLDR
V
C
GND
POL
V
V
AB
C
V
BP/
BUFF
G
G
G
REF
D
C
B
A
F
E
D
C
B
A
F
E
D
B
F
E
A
C
V-
INT
IN
IN
AZ
1
1
1
1
1
1
2
2
2
2
2
2
3
3
3
3
3
3
1
3
2
4
+
-
-
Hold pin, Logic 1 holds present display reading.
Activates the D section of the units display.
Activates the C section of the units display.
Activates the B section of the units display.
Activates the A section of the units display.
Activates the F section of the units display.
Activates the G section of the units display.
Activates the E section of the units display.
Activates the D section of the tens display.
Activates the C section of the tens display.
Activates the B section of the tens display.
Activates the A section of the tens display.
Activates the F section of the tens display.
Activates the E section of the tens display.
Activates the D section of the hundreds display.
Activates the B section of the hundreds display.
Activates the F section of the hundreds display.
Activates the E section of the hundreds display.
Activates both halves of the 1 in the thousands display.
Activates the negative polarity display.
LCD backplane drive output (TC7116/TC7116A). Digital ground
(TC7117/TC7117A).
Activates the G section of the hundreds display.
Activates the A section of the hundreds display.
Activates the C section of the hundreds display.
Activates the G section of the tens display.
Negative power supply voltage.
Integrator output. Connection point for integration capacitor.
See Section 4.3 “Integrating Capacitor”, Integrating Capacitor for more
details.
Integration resistor connection. Use a 47kΩ resistor for a 200mV full scale range
and a 470kΩ resistor for 2V full scale range.
The size of the auto-zero capacitor influences system noise. Use a 0.47μF
capacitor for 200mV full scale, and a 0.047μF capacitor for 2V full scale.
See Section 4.1 “Auto-Zero Capacitor”, Auto-Zero Capacitor for more details.
The analog LOW input is connected to this pin.
The analog HIGH input signal is connected to this pin.
operation, or in systems where the input signal is referenced to the power sup-
ply. It also acts as a reference voltage source. See Section 3.1.6 “Analog Com-
mon”, Analog Common for more details.
See Pin 34.
Description
© 2006 Microchip Technology Inc.