TC835CPI

更新时间： 2024-11-30 22:42:27

品牌	Logo	应用领域
美国微芯 - MICROCHIP		转换器光电二极管计算机
页数	文件大小	规格书
24页	543K
描述
Personal Computer Data Acquisition A/D Converter

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中文翻译

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TC835CPI 数据手册

TC835

Personal Computer Data Acquisition A/D Converter

Features

General Description

• Upgrade of Pin-Compatible TC7135, ICL7135

• 200kHz Operation

The TC835 is a low power, 4-1/2 digit (0.005%

resolution), BCD analog to digital converter (ADC) that

has been characterized for 200kHz clock rate opera-

tion. The five conversions per second rate is nearly

twice as fast as the ICL7135 or TC7135. The TC835,

like the TC7135, does not use the external diode resis-

tor rollover error compensation circuits required by the

ICL7135.

• Single 5V Operation With TC7660

• Multiplexed BCD Data Output

• UART and Microprocessor Interface

• Control Outputs for Auto-Ranging

• Input Sensitivity: 100µV

• No Sample and Hold Required

The multiplexed BCD data output is perfect for interfac-

ing to personal computers. The low cost, greater than

14-bit high-resolution and 100µV sensitivity makes the

TC835 exceptionally cost-effective.

Applications

• Personal Computer Data Acquisition

• Scales, Panel Meters, Process Controls

• HP-IL Bus Instrumentation

Microprocessor-based data acquisition systems are

supported by the BUSY and STROBE outputs, along

with the RUN/HOLD input of the TC835. The

OVERRANGE, UNDERRANGE, BUSY and RUN/

HOLD control functions, plus multiplexed BCD data

outputs, make the TC835 the ideal converter for µP-

based scales, measurement systems and intelligent

panel meters.

Device Selection Table

Part Number

Package

Temperature Range

TC835CBU

64-PinPQFP

0°C to +70°C

TC835CKW 44-PinPQFP

TC835CPI 28-PinPDIP

The TC835 interfaces with full function LCD and LED

display decoder/drivers. The UNDERRANGE and

OVERRANGE outputs may be used to implement an

auto-ranging scheme or special display functions.

Note: Tape and Reel available for 44-Pin PQFP

package.

2002 Microchip Technology Inc.

DS21478B-page 1

12 3 4 5 6 7...24

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