(China (Mainland))
Product Summary
The AD7701AN is a 16-bit ADC which uses a sigma-delta conversion technique. The AD7701AN input is continuously sampled by an analog modulator whose mean output duty cycle is proportional to the input signal. The AD7701AN output 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 sampling rate, filter corner frequency and output word rate are set by a master clock input that may be supplied externally, or by a crystal-controlled onchip clock oscillator. The applications of the AD7701AN include Industrial Process Control, Weigh Scales, Portable Instrumentation, Remote Data Acquisition.
Parametrics
AD7701AN 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℃; Industrial Cerdip (A, B Versions): -40℃ to +85℃; Extended Cerdip (S, T Versions): -55℃ to +125℃; (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
AD7701AN 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 62.5 V Analog Input Range; (6)4 kSPS Output Data Rate; (7)Flexible Serial Interface; (8)Ultralow Power.
Diagrams
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 AD7701AN |
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IC ADC 16BIT LC2MOS 20-DIP |
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AD7701ANZ |
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IC ADC 16BIT LC2MOS 20-DIP |
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