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| 型号： | TC7117CPL |
| 厂商： | Microchip Technology |
| 文件页数： | 6/24页 |
| 文件大小： | 0K |
| 描述： | IC ADC 3 1/2DGT LED DVR 40-DIP |
| 标准包装： | 10 |
| 显示器类型： | LED |
| 配置： | 7 段显示 |
| 数字或字符： | A/D，3.5 位数字 |
| 电流 - 电源： | 800µA |
| 电源电压： | 5V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 40-DIP（0.600"，15.24mm） |
| 供应商设备封装： | 40-PDIP |
| 包装： | 管件 |
| 产品目录页面： | 673 (CN2011-ZH PDF) |
| 其它名称： | 158-1057 158-1057-ND |
TC7116/A/TC7117/A
2.0
PIN DESCRIPTIONS
TABLE 2-1:
PIN FUNCTION TABLE
Pin Number
(40-Pin PDIP)
(40-Pin CERDIP)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Pin Number
(44-Pin PQFP)
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
34
35
Symbol
HLDR
D 1
C 1
B 1
A 1
F 1
G 1
E 1
D 2
C 2
B 2
A 2
F 2
E 2
D 3
B 3
F 3
E 3
AB 4
POL
BP/
GND
G 3
A 3
C 3
G 2
V-
V INT
Description
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.
28
29
36
37
V BUFF
C AZ
Integration resistor connection. Use a 47k Ω resistor for a 200mV full scale range
and a 470k Ω resistor for 2V full scale range.
The size of the auto-zero capacitor influences system noise. Use a 0.47 μ F
capacitor for 200mV full scale, and a 0.047 μ F capacitor for 2V full scale.
See Section 4.1 “Auto-Zero Capacitor” , Auto-Zero Capacitor for more details.
30
31
38
39
V IN -
V IN +
The analog LOW input is connected to this pin.
The analog HIGH input signal is connected to this pin.
32
40
COMMON 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 sup-
33
DS21457C-page 6
41
C REF -
See Pin 34.
? 2006 Microchip Technology Inc.
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