AD7760 - 100 dB Sigma-Delta ADC

8 Terminology 10 Typical Performance Characteristics 11 Theory of Operation 12 AD7760 Interface 13 Preliminary Technical Data Clocking the AD7760 14 Driving The AD7760 15 Using The AD7760 16 Bias Resistor Selection 16 Programmable FIR Filter 17 Downloading a User-Defined Filter 18 Example Fi

• High performance 20-bit Sigma-Delta ADC 118dB SNR at 78kHz output data rate 100dB SNR at 2.5MHz output data rate 2.5 MHz maximum fully filtered output word rate Programmable over-sampling rate (8x to 256x) Flexible parallel interface Fully differential modulator input On-chip differential amplifier for signal buffering Low pass FIR filter with default or user programmable coefficients Over-range alert bit Digital offset and gain correction registers Filter bypass modes Low power and power down m.