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参数资料
| 型号： | TC7136CKW713 |
| 厂商： | Microchip Technology |
| 文件页数： | 1/22页 |
| 文件大小： | 0K |
| 描述： | IC ADC 3 1/2DGT LOW PWR 44-MQFP |
| 标准包装： | 900 |
| 显示器类型： | LCD |
| 配置： | 7 段显示 |
| 数字或字符： | A/D，3.5 位数字 |
| 电流 - 电源： | 70µA |
| 电源电压： | 9V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-QFP |
| 供应商设备封装： | 44-MQFP（10x10） |
| 包装： | 带卷 (TR) |
Obsolete Device
TC7136/TC7136A
Low Power 3-1/2 Digit Analog-to-Digital Converter
Features
? Fast Over Range Recovery, Ensured First Reading
Accuracy
? Low Temperature Drift Internal Reference
- TC7136: 70ppm/°C (Typ.)
- TC7136A: 35ppm/°C (Typ.)
? Zero Reading with Zero Input
? Low Noise: 15 μ V P-P
? High Resolution: 0.05%
? Low Input Leakage Current: 1pA (Typ.)/10pA (Max.)
? Precision Null Detectors with True Polarity at Zero
? High-Impedance Differential Input
? Convenient 9V Battery Operation with Low Power
Dissipation: 500 μ W (Typ.)/900 μ W (Max.)
Applications
? Thermometry
? Bridge Readouts: Strain Gauges, Load Cells,
Null Detectors
? Digital Meters: Voltage/Current/Ohms/Power, pH
? Digital Scales, Process Monitors
? Portable Instrumentation
Device Selection Table
General Description
The TC7136 and TC7136A are low power, 3-1/2 digit
with liquid crystal display (LCD) drivers and analog-to-
digital converters. These devices incorporate an "inte-
grator output zero" phase, which enables over range
recovery. The performance of existing TC7126,
TC7126A and ICL7126 based systems may be
upgraded with minor changes to external, passive
components.
The TC7136A has an improved internal zener refer-
ence voltage circuit which maintains the analog com-
mon temperature drift to 35ppm/°C (typical) and
75ppm/°C (maximum). This represents an improve-
ment of two to four times over similar 3-1/2 digit con-
verters. The costly, space consuming external
reference source may be removed.
The TC7136 and TC7136A limit linearity error to less
than 1 count on 200mV or 2V full scale ranges. The roll-
over error (the difference in readings for equal magni-
tude, but opposite polarity input signals) is below ±1
count. High-impedance differential inputs offer 1pA
leakage currents and a 10 12 Ω input impedance. The
differential reference input allows ratiometric measure-
ments for ohms or bridge transducer measurements.
The 15 μ V P-P noise performance ensures a "rock solid"
reading. The auto-zero cycle enables a zero display
readout for a 0V input.
Part Number
TC7136 CPI
TC7136 CKW
TC7136 CLW
TC7136A CPI
TC7136A CKW
TC7136A CLW
Package
40-Pin PDIP
44-Pin PQFP
44-Pin PLCC
40-Pin PDIP
44-Pin PQFP
44-Pin PLCC
Temperature
Range
0 ° C to +70 ° C
0 ° C to +70 ° C
0 ° C to +70 ° C
0 ° C to +70 ° C
0 ° C to +70 ° C
0 ° C to +70 ° C
? 2005 Microchip Technology Inc.
DS21461C-page 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TC7136CLW | 功能描述:LCD 驱动器 Low Power RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| TC7136CLW713 | 功能描述:LCD 驱动器 Low Power RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| TC7136CPI | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Low Power 3-1/2 Digit Analog-to-Digital Converter |
| TC7136CPL | 功能描述:LCD 驱动器 Low Power RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| TC7136RCPL | 功能描述:LCD 驱动器 Low Power RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
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