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ES51963 Datasheet(PDF) 1 Page - Cyrustek corporation |
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ES51963 Datasheet(HTML) 1 Page - Cyrustek corporation |
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1 / 20 page  2003/9/1 1 ES51963 4 1/2 DMM Features • 22000 counts, adjustable • PEAK Hold function with calibration mode • Input signal full scale = 220 mV (sensitivity = 10 uV/count) • X10 function (sensitivity = 1 uV/count) • Conversion rate selectable • On chip buzzer driving, frequency selectable • Low battery detection • Zero calibration for eliminating offset error • Using 5V or 3V microprocessor • I/O port with microprocessor (3 pins) • Two formats for data acquisition • single 5V or 6V DC power supply (V+ to V-) • 28 pin SOP package General Description ES51963 is a 22000 counts dual-slope analog-to-digital converter (ADC) with X10 and PEAK Hold functions. The conversion rate and buzzer frequency can be selected or decided by an external microprocessor. The conversion rate can vary from 2 times/sec to 100 times/sec under 4 MHz operating clock. The buzzer frequency can be chosen to be audible among operating clock frequency range from 400 KHz to 6 MHz. In addition, other functions for low battery detection, on chip buzzer driving, and I/O port with micro- processor are also provided. Absolute Maximum Ratings Characteristic Rating Positive Supply Voltage (V+ to AGND) 3.5V Negative Supply Voltage (V- to AGND) -3.5V Analog I/O Voltage ((V-) - 0.5V) to ((V+) + 0.5V) Digital I/O Voltage ((V-) - 0.5V) to ((V+) + 0.5V) Power Dissipation 800mW Operating Temperature 0 °C to 70°C Storage Temperature -25 °C to 125°C Lead Temperature (soldering, 10sec) 270 °C TAIWAN PATENT NO. 476418 U.S. PATENT NO. 6,429,696 |
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