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參數資料
| 型號： | ES51988 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 3 3/4 AUTO REL/MAX/MIN |
| 中文描述： | 3 3 / 4自動REL /最大值/最小值 |
| 文件頁數： | 1/22頁 |
| 文件大小： | 254K |
| 代理商： | ES51988 |
1 91年11月28日
3 3/4 AUTO REL/MAX/MIN
ES51988
Features:
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
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
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.
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.
Absolute Maximum Ratings
Characteristics
Supply Voltage (V- to AGND)
Analog Input Voltage
Digital Input
Power Dissipation Flat Package
Operating Temperature
Storage Temperature
Ratings
-4V
V+ to V-
V- to DGND
500mW
0
℃
to 70
℃
-25
℃
to 125
℃
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