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参数资料
型号： TC7117ACPL
元件分类： ADC
英文描述： 1-CH 22-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, PDIP40
封装： PLASTIC, DIP-40
文件页数： 21/24页
文件大小： 410K
代理商： TC7117ACPL
TC7116/A/TC7117/A
DS21457C-page 6
2006 Microchip Technology Inc.
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
Pin Number
(40-Pin PDIP)
(40-Pin CERDIP)
Pin Number
(44-Pin PQFP)
Symbol
Description
1
8
HLDR
Hold pin, Logic 1 holds present display reading.
29
D1
Activates the D section of the units display.
310
C1
Activates the C section of the units display.
411
B1
Activates the B section of the units display.
512
A1
Activates the A section of the units display.
613
F1
Activates the F section of the units display.
714
G1
Activates the G section of the units display.
815
E1
Activates the E section of the units display.
916
D2
Activates the D section of the tens display.
10
17
C2
Activates the C section of the tens display.
11
18
B2
Activates the B section of the tens display.
12
19
A2
Activates the A section of the tens display.
13
20
F2
Activates the F section of the tens display.
14
21
E2
Activates the E section of the tens display.
15
22
D3
Activates the D section of the hundreds display.
16
23
B3
Activates the B section of the hundreds display.
17
24
F3
Activates the F section of the hundreds display.
18
25
E3
Activates the E section of the hundreds display.
19
26
AB4
Activates both halves of the 1 in the thousands display.
20
27
POL
Activates the negative polarity display.
21
28
BP/
GND
LCD backplane drive output (TC7116/TC7116A). Digital ground
(TC7117/TC7117A).
22
29
G3
Activates the G section of the hundreds display.
23
30
A3
Activates the A section of the hundreds display.
24
31
C3
Activates the C section of the hundreds display.
25
32
G2
Activates the G section of the tens display.
26
34
V-
Negative power supply voltage.
27
35
VINT
Integrator output. Connection point for integration capacitor.
See Section 4.3 “Integrating Capacitor”, Integrating Capacitor for more
details.
28
36
VBUFF
Integration resistor connection. Use a 47k
Ω resistor for a 200mV full scale range
and a 470k
Ω resistor for 2V full scale range.
29
37
CAZ
The size of the auto-zero capacitor influences system noise. Use a 0.47
μF
capacitor for 200mV full scale, and a 0.047
μF capacitor for 2V full scale.
See Section 4.1 “Auto-Zero Capacitor”, Auto-Zero Capacitor for more details.
30
38
VIN-
The analog LOW input is connected to this pin.
31
39
VIN+
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-
ply. It also acts as a reference voltage source. See Section 3.1.6 “Analog Com-
mon”, Analog Common for more details.
33
41
CREF-
See Pin 34.
相关PDF资料
PDF描述
TC7117ACPLG 1-CH 22-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, PDIP40
TC7116AIJL 1-CH 22-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, CDIP40
TC7117CLW 1-CH 22-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, PQCC44
TC7117CPL 1-CH 22-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, PDIP40
TC7117ACLW713 1-CH 22-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, PQCC44
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TC7117CKW 功能描述:LED显示驱动器 w/Hold RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube
TC7117CKW 制造商:Microchip Technology Inc 功能描述:A/D Converter (A-D) IC
TC7117CKW713 功能描述:LED显示驱动器 w/Hold RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube
TC7117CLW 功能描述:LED显示驱动器 w/Hold RoHS:否 制造商:Micrel 数位数量:5 片段数量: 安装风格:SMD/SMT 封装 / 箱体:PLCC-44 工作电源电压:4.75 V to 11 V 最大电源电流:10 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Tube
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