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参数资料
| 型号： | TC7117CKW |
| 厂商： | TelCom Semiconductor, Inc. |
| 英文描述： | 3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS WITH HOLD |
| 中文描述： | 3-1/2数字模拟数字转换器拒不退让 |
| 文件页数： | 6/14页 |
| 文件大小： | 218K |
| 代理商： | TC7117CKW |
3-208
TELCOM SEMICONDUCTOR, INC.
TC7116
TC7116A
TC7117
TC7117A
PIN DESCRIPTION
(Cont.)
40-Pin CerDIP
40-Pin PDIP
Pin Number
Normal
44-Pin
Plastic Quad
Flat Package
Pin Number
Symbol
C
–
C
+REF
Description
33
34
41
42
See pin 34.
A 0.1
μ
F capacitor is used in most applications. If a
large, common-mode voltage exists (e.g., the V
IN
not at analog common), and a 200 mV scale is used, a 1
μ
F capacitor is recommended and will hold the roll-over
error to 0.5 count.
Positive power supply voltage.
The analog input required to generate a full-scale output
(1999 counts). Place 100 mV between pins 32 and 36
for 199.9 mV full scale. Place 1V between pins 32 and
36 for 2V full scale. See paragraph on Reference
Voltage.
Lamp test. When pulled HIGH (to V
+
), all segments will
be turned on and the display should read –1888. It may
also be used as a negative supply for externally-
generated decimal points. See Test paragraph for more
details.
See pin 40.
See pin 40.
Pins 40, 39 and 38 make up the oscillator section. For
a 48 kHz clock (3 readings per sec), connect pin 40 to
the junction of a 100 k
resistor and a 100 pF capacitor.
The 100 k
resistor is tied to pin 39 and the 100 pF
capacitor is tied to pin 38.
–
pin is
35
36
43
44
V
+
V
+REF
37
3
TEST
38
39
40
4
6
7
OSC
3
OSC
2
OSC
1
3-1/2 DIGIT ANALOG-TO-DIGITAL
CONVERTERS WITH HOLD
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| TC7117CLW713 | 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 |
| TC7117CPL | 功能描述:LED显示驱动器 3.5 digit A/D 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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