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Description:-0.3 to +6V; 450mW; LC2MOS 20-bit A/D converter. For industrial process control, weigh scales, portable instrumentation, remote data acquisition
Manufacturer:Analog Devices
Oper. temp.:-40 to 85
Datasheet:PDF (206K).
Click here to download *)

The AD7703 is a 20-bit ADC which 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 is processed by an on-chip digital filter with a six-pole Gaussian response, which updates the output data register with 20-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 an on-chip gate oscillator.

Click here to download AD7703BN Datasheet
Click here to download AD7703BN Datasheet
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