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參數資料
| 型號： | TC7136CLW |
| 元件分類： | ADC |
| 英文描述： | 1-CH DUAL-SLOPE ADC, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數： | 1/22頁 |
| 文件大小： | 410K |
| 代理商： | TC7136CLW |
2005 Microchip Technology Inc.
DS21461C-page 1
TC7136/TC7136A
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
μVP-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
μW (Typ.)/900μW (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 1012
Ω input impedance. The
differential reference input allows ratiometric measure-
ments for ohms or bridge transducer measurements.
The 15
μVP-P noise performance ensures a "rock solid"
reading. The auto-zero cycle enables a zero display
readout for a 0V input.
Part Number
Package
Temperature
Range
TC7136 CPI
40-Pin PDIP
0
°C to +70°C
TC7136 CKW
44-Pin PQFP
0
°C to +70°C
TC7136 CLW
44-Pin PLCC
0
°C to +70°C
TC7136A CPI
40-Pin PDIP
0
°C to +70°C
TC7136A CKW
44-Pin PQFP
0
°C to +70°C
TC7136A CLW
44-Pin PLCC
0
°C to +70°C
Low Power 3-1/2 Digit Analog-to-Digital Converter
Obsolete Device
相關PDF資料 |
PDF描述 |
|---|---|
| TC7136CLW713 | 1-CH DUAL-SLOPE ADC, PQCC44 |
| TC7136ACLW713 | 1-CH DUAL-SLOPE ADC, PQCC44 |
| TC7136ACKW | 1-CH DUAL-SLOPE ADC, PQFP44 |
| TC7136ACKW713 | 1-CH DUAL-SLOPE ADC, PQFP44 |
| TC7136CPI | 1-CH DUAL-SLOPE ADC, PDIP40 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TC7136CLW713 | 功能描述:LCD 驅動器 Low Power RoHS:否 制造商:Maxim Integrated 數位數量:4.5 片段數量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| TC7136CPI | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Low Power 3-1/2 Digit Analog-to-Digital Converter |
| TC7136CPL | 功能描述:LCD 驅動器 Low Power RoHS:否 制造商:Maxim Integrated 數位數量:4.5 片段數量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| TC7136RCPL | 功能描述:LCD 驅動器 Low Power RoHS:否 制造商:Maxim Integrated 數位數量:4.5 片段數量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| TC713A | 制造商:Thomas & Betts 功能描述:Fittings Connector 1inch Steel |
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