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参数资料
| 型号： | TC7107ACPLIJL |
| 元件分类： | ADC |
| 英文描述： | 1-CH DUAL-SLOPE ADC, ACCESS, PDIP40 |
| 封装： | CERDIP-40 |
| 文件页数： | 17/21页 |
| 文件大小： | 269K |
| 代理商： | TC7107ACPLIJL |
5
TC7106
TC7106A
TC7107
TC7107A
3-1/2 DIGIT A/D CONVERTERS
PIN DESCRIPTION
(Pin No.
40-Pin PDIP
(Normal))
(Reverse))
Symbol
Description
1
(40)
V
+
Positive supply voltage.
2
(39)
D1
Activates the D section of the units display.
3
(38)
C1
Activates the C section of the units display.
4
(37)
B1
Activates the B section of the units display.
5
(36)
A1
Activates the A section of the units display.
6
(35)
F1
Activates the F section of the units display.
7
(34)
G1
Activates the G section of the units display.
8
(33)
E1
Activates the E section of the units display.
9
(32)
D2
Activates the D section of the tens display.
10
(31)
C2
Activates the C section of the tens display.
11
(30)
B2
Activates the B section of the tens display.
12
(29)
A2
Activates the A section of the tens display.
13
(28)
F2
Activates the F section of the tens display.
14
(27)
E2
Activates the E section of the tens display.
15
(26)
D3
Activates the D section of the hundreds display.
16
(25)
B3
Activates the B section of the hundreds display.
17
(24)
F3
Activates the F section of the hundreds display.
18
(23)
E3
Activates the E section of the hundreds display.
19
(22)
AB4
Activates both halves of the 1 in the thousands display.
20
(21)
POL
Activates the negative polarity display.
21
(20)
BP
LCD Backplane drive output (TC7106A).
Digital ground (TC7107A).
22
(19)
G3
Activates the G section of the hundreds display.
23
(18)
A3
Activates the A section of the hundreds display.
24
(17)
C3
Activates the C section of the hundreds display.
25
(16)
G2
Activates the G section of the tens display.
26
(15)
V
–
Negative power supply voltage.
27
(14)
VINT
Integrator output. Connection point for integration capacitor. See
INTEGRATING CAPACITOR section for more details
28
(13)
VBUFF
Integration resistor connection. Use a 47k
resistor for a 200mV full-
scale range and a 470k
resistor for 2V full-scale range.
29
(12)
CAZ
The size of the auto-zero capacitor influences system noise. Use a
0.47
F capacitor for 200mV full scale, and a 0.047F capacitor for
2V full scale. See Paragraph on AUTO-ZERO CAPACITOR for more
details.
30
(11)
V –IN
The analog LOW input is connected to this pin.
31
(10)
V
+
IN
The analog HIGH input signal is connected to this pin.
32
(9)
ANALOG
This pin is primarily used to set the analog common-mode voltage
for battery operation or in systems where the input signal is
referenced to the power supply. It also acts as a reference voltage
source. See paragraph on ANALOG COMMON for more details.
33
(8)
C–REF
See pin 34.
COMMON
GND
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