TC7107

更新时间： 2024-11-08 22:20:07

品牌	Logo	应用领域
美国微芯 - MICROCHIP		转换器
页数	文件大小	规格书
26页	622K
描述
3-1/2 Digit Analog-to-Digital Converters

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中文翻译

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数据手册

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TC7107 数据手册

TC7106/A/TC7107/A

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

General Description

Features

• Internal Reference with Low Temperature Drift

- TC7106/7: 80ppm/°C Typical

The TC7106A and TC7107A 3-1/2 digit direct display

drive analog-to-digital converters allow existing 7106/

7107 based systems to be upgraded. Each device has

a precision reference with a 20ppm/°C max tempera-

ture coefficient. This represents a 4 to 7 times improve-

ment over similar 3-1/2 digit converters. Existing 7106

and 7107 based systems may be upgraded without

changing external passive component values. The

TC7107A drives common anode light emitting diode

(LED) displays directly with 8mA per segment. A low

cost, high resolution indicating meter requires only a

display, four resistors, and four capacitors.The

TC7106A low power drain and 9V battery operation

make it suitable for portable applications.

- TC7106A/7A: 20ppm/°C Typical

• Drives LCD (TC7106) or LED (TC7107)

Display Directly

• Zero Reading with Zero Input

• Low Noise for Stable Display

• Auto-Zero Cycle Eliminates Need for Zero

Adjustment

• True Polarity Indication for Precision Null

Applications

• Convenient 9V Battery Operation (TC7106A)

• High Impedance CMOS Differential Inputs: 10

Ω

The TC7106A/TC7107A 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

• Differential Reference Inputs Simplify Ratiometric

Measurements

• Low Power Operation: 10mW

offer 1pA leakage current and a 10 Ω input imped-

Applications

ance. The differential reference input allows ratiometric

measurements for ohms or bridge transducer mea-

• Thermometry

surements. The 15µV

noise performance ensures a

P–P

• Bridge Readouts: Strain Gauges, Load Cells, Null

Detectors

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

zero display reading with a zero volts input.

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

• Digital Scales, Process Monitors

• Portable Instrumentation

Device Selection Table

Package

Code

Temperature

Range

Package

Pin Layout

CPI

IPL

40-Pin PDIP

Normal

0°C to +70°C

-25°C to +85°C

IJL

40-Pin CERDIP

CKW

CLW

44-Pin PQFP Formed Leads 0°C to +70°C

44-Pin PLCC 0°C to +70°C

—

2002 Microchip Technology Inc.

DS21455B-page 1

12 3 4 5 6 7...26

中文翻译

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与TC7107相关器件

型号	品牌	获取价格	描述	数据表
TC7107A	MICROCHIP	获取价格	3-1/2 Digit Analog-to-Digital Converters
TC7107A	TELCOM	获取价格	3-1/2 DIGIT A/D CONVERTERS
TC7107ACKW	MICROCHIP	获取价格	3-1/2 Digit Analog-to-Digital Converters
TC7107ACKW	TELCOM	获取价格	3-1/2 DIGIT A/D CONVERTERS
TC7107ACKW713	MICROCHIP	获取价格	1-CH DUAL-SLOPE ADC, PQFP44, 10 X 10 MM, 2 MM HEIGHT, PLASTIC, MQFP-44
TC7107ACKW723	MICROCHIP	获取价格	1-CH 13-BIT DUAL-SLOPE ADC, PQFP44, PLASTIC, QFP-44
TC7107ACLP	MICROCHIP	获取价格	3-1/2 Digit Analog-to-Digital Converters
TC7107ACLW	MICROCHIP	获取价格	3-1/2 Digit Analog-to-Digital Converters
TC7107ACLW	TELCOM	获取价格	3-1/2 DIGIT A/D CONVERTERS
TC7107ACLW723	MICROCHIP	获取价格	ADC, Dual-Slope, 13-Bit, 1 Func, 1 Channel, PQCC44,

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