AD7701AR

16-Bit A/D Converter, 20-SOIC, 0.1 Hz to 10 Hz, 0 V to +2.5 V, 4 kSPS, ±10 mA, 450 mW

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PartNumber:: AD7701AR

Brand:: Analog Devices - ADI | Pack: SOP | D/C: 04+

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Products Upload time: 2012-06-26

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Part Number:AD7701AR
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Product Summary

The AD7701AR is a 16-Bit A/D Converter. It uses a sigma-delta conversion technique. The analog input is continuously sampled by an analog modulator whose mean output duty cycle is proportional to the input signal. The modulator output of the AD7701AR is processed by an on-chip digital filter with a six-pole Gaussian response, which updates the output data register with 16-bit binary words at word rates up to 4 kHz. The applications of the AD7701AR include: Industrial Process Control, Weigh Scales, Portable Instrumentation, Remote Data Acquisition.

Parametrics

AD7701AR absolute maximum ratings: (1)DVDD to AGND: –0.3 V to +6 V; (2)DVDD to AVDD: –0.3 V to +0.3 V; (3)DVSS to AGND: +0.3 V to –6 V; (4)AVDD to AGND: –0.3 V to +6 V; (5)AVSS to AGND: +0.3 V to –6 V; (6)AGND to DGND: –0.3 V to +0.3 V; (7)Digital Input Voltage to DGND: –0.3 V to DVDD + 0.3 V; (8)Analog Input Voltage to AGND: AVSS – 0.3 V to AVDD + 0.3 V; (9)Input Current to Any Pin Except Supplies: ±10 mA; (10)Operating Temperature Range Commercial Plastic (A, B Versions): –40℃ to +85℃; (11)Storage Temperature Range: –65℃ to +150℃; (12)Lead Temperature (Soldering, 10 secs): 300℃; (13)Power Dissipation (Any Package) to 75℃: 450 mW; (14)Derates above 75℃ by: 10 mW/℃.

Features

AD7701AR features: (1)Monolithic 16-Bit ADC; (2)0.0015% Linearity Error; (3)On-Chip Self-Calibration Circuitry; (4)Programmable Low-Pass Filter: 0.1 Hz to 10 Hz Corner Frequency; (5)0 V to +2.5 V or ±2.5 V Analog Input Range; (6)4 kSPS Output Data Rate; (7)Flexible Serial Interface; (8)Ultralow Power.