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ES51988

更新时间： 2022-12-28 03:36:49

品牌	Logo	应用领域
承永 - CYRUSTEK		/
页数	文件大小	规格书
22页	255K
描述
3 3/4 AUTO REL/MAX/MIN

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ES51988 数据手册

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ES51988

3 3/4 AUTO REL/MAX/MIN

Features:

Description:

The ES51988 is an integrated analog-

to-digital converter (ADC)with 3 3/4 digits

and 42-segment bargraph LCD display,

automatic range, and 3V battery power

supply.

•Full Automatic measurement

•3 3/4 digits display

•Frequency measurement (40M HZ)

•Rotary or push setting mode

•Auto-power-off then hold the final data

•Rotary or push re-power on function

•Data hold, MAX/MIN hold, Relative

data when this function is pressed

•Low battery detect (3V & 9V)

•On chip buzzer driver

Automatic range selection is provided

for voltage (AC/DC) measurement, ohm

measurement, current(uA and mA)

measurement,and frequency counter. The

ES51988 also provides serial data output

function.

Expensive and bulky mechanical range

switches are not required. The other

functions are provided for MAX and MIN

holding and current value display, data

holding, Relative data and reference value

display, low battery detection, auto-power-

off, diode measurement, continuity

checking.

•3V DC power supply

•Internal AC to DC conversion OP AMP

If non_AC mode , OP will become unit

gain buffer.

•Serial Data Output (RS232 format)

•LCD segment check

•100 Pin flat-package

Absolute Maximum Ratings

Characteristics

Ratings

-4V

Supply Voltage (V- to AGND)

Analog Input Voltage

Digital Input

V+ to V-

V- to DGND

500mW

Power Dissipation Flat Package

Operating Temperature

Storage Temperature

0℃ to 70℃

-25℃ to 125℃

1

92年8月4日

12 3 4 5 6 7...22

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