ES51983

Features:

4000 count display
Full automatic measurement
Voltage measurement
Current measurement
Resistor measurement
Range change function
Data hold function
Diode measurement
40MHz Frequency counter
ADP mode with external reference voltage
Serial data output (RS232 format)
Auto power off (10 mins) and re-power on
Low battery detect (3V and 9V)
3V DC power supply
Back light function


Application

Digital Multimeter

Pinout




Specifications

Characteristic	Rating
Supply Voltage (V- to AGND)	-4V
Analog Input Voltage	V- -0.6 to V+ +0.6
V+	V+ (AGND/DGND+0.5V)
AGND/DGND	AGND/DGND (V- -0.5V)
Digital Input	V- -0.6 to DGND +0.6
Power Dissipation. Flat Package	500mW
Operating Temperature	0 to 70
Storage Temperature	-25 to 125

Description

ES51983 is an integrated analog-to-digital Converter(ADC) with 4000 counts LCD display ,automatic range selection, and 3V DC power supply. Automatic range selection is provided for voltage(AC/DC) measurement, resistor measurement and current measurement. Expensive and bulky mechanical range switches are not required. Other features include data holding, diode measurement, temperature measurement, continuity checking, low battery detection, auto- power off, re-power on, and RS232 data output.