TC7116CLWRT

更新时间： 2024-11-01 13:14:27

品牌	Logo	应用领域
美国微芯 - MICROCHIP		转换器
页数	文件大小	规格书
24页	410K
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中文翻译

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数据手册

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TC7116CLWRT 数据手册

TC7116/A/TC7117/A

3-1/2 Digit Analog-to-Digital Converters with Hold

Features:

General Description:

• Low Temperature Drift Internal Reference:

- TC7116/TC7117 80 ppm/°C, Typ.

- TC7116A/TC7117A 20 ppm/°C, Typ.

• Display Hold Function

The TC7116A/TC7117A are 3-1/2 digit CMOS Analog-

to-Digital Converters (ADCs) containing all the active

components necessary to construct a 0.05% resolution

measurement system. Seven-segment decoders,

polarity and digit drivers, voltage reference, and clock

circuit are integrated on-chip. The TC7116A drives

Liquid Crystal Displays (LCDs) and includes a back-

plane driver. The TC7117A drives common anode Light

Emitting Diode (LED) displays directly with an 8mA

drive current per segment.

• Directly Drives LCD or LED Display

• Zero Reading with Zero Input

• Low Noise for Stable Display:

- 2V or 200mV Full Scale Range (FSR)

• Auto-Zero Cycle Eliminates Need for Zero

• Adjustment Potentiometer

These devices incorporate a display hold (HLDR)

function. The displayed reading remains indefinitely, as

long as HLDR is held high. Conversions continue, but

output data display latches are not updated. The refer-

ence low input (V_REF-) is not available, as it is with the

TC7106/7107. V_REF- is tied internally to analog

common in the TC7116A/7117A devices.

• True Polarity Indication for Precision Null

Applications

• Convenient 9V Battery Operation:

(TC7116/TC7116A)

• High-Impedance CMOS Differential Inputs: 10¹²Ω

• Low-Power Operation: 10mW

The TC7116A/7117A reduces linearity error to less

than 1 count. Rollover error (the difference in readings

for equal magnitude but opposite polarity input signals)

is below ±1 count. High-impedance differential inputs

offer 1pA leakage current and a 10¹²Ω input imped-

ance. The 15μV_P-Pnoise performance enables a “rock

solid” reading. The auto-zero cycle ensures a zero

display reading with a 0V input.

Applications:

• Thermometry

• Bridge Readouts: Strain Gauges, Load Cells,

Null Detectors

• Digital Meters: Voltage/Current/Ohms/Power, pH

• Digital Scales, Process Monitors

• Portable Instrumentation

The TC7116A and TC7117A feature a precision, low

drift internal reference, and are functionally identical to

the TC7116/TC7117. A low drift external reference is

not normally required with the TC7116A/TC7117A.

Device Selection Table

Package Code

Package

Temperature Range

CPL

IJL

40-Pin PDIP

40-Pin CERDIP

44-Pin PQFP

44-Pin PLCC

0°C to +70°C

-25°C to +85°C

0°C to +70°C

CKW

CLW

DS21457C-page 1

12 3 4 5 6 7...24

中文翻译

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与TC7116CLWRT相关器件

型号	品牌	获取价格	描述	数据表
TC7116CLWTR	MICROCHIP	获取价格	1-CH DUAL-SLOPE ADC, PQCC44, PLASTIC, LCC-44
TC7116CPL	MICROCHIP	获取价格	3-1/2 Digit Analog-to-Digital Converters with Hold
TC7116CPL	TELCOM	获取价格	3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS WITH HOLD
TC7116IJL	MICROCHIP	获取价格	3-1/2 Digit Analog-to-Digital Converters with Hold
TC7116IJL	TELCOM	获取价格	3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS WITH HOLD
TC7117	MICROCHIP	获取价格	3-1/2 Digit Analog-to-Digital Converters with Hold
TC7117	TELCOM	获取价格	3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS WITH HOLD
TC7117A	MICROCHIP	获取价格	3-1/2 Digit Analog-to-Digital Converters with Hold
TC7117A	TELCOM	获取价格	3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS WITH HOLD
TC7117ACKW	MICROCHIP	获取价格	3-1/2 Digit Analog-to-Digital Converters with Hold

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