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Data Sheet AD7766
24-Bit, 8.5 mW, 109 dB, 128 kSPS/64 kSPS/32 kSPS ADCs
FEATURES
► Oversampled successive approximation (SAR) architecture ► High performance ac and dc accuracy, low power
► 115.5 dB dynamic range, 32 kSPS (AD7766-2) ► 112.5 dB dynamic range, 64 kSPS (AD7766-1) ► 109.5 dB dynamic range, 128 kSPS (AD7766) ► −112 dB THD ► Exceptionally low power ► 8.5 mW, 32 kSPS (AD7766-2) ► 10.5 mW, 64 kSPS (AD7766-1) ► 15 mW, 128 kSPS (AD7766) ► High dc accuracy ► 24 bits, no missing codes (NMC) ► INL: ±6 ppm (typical), ±15 ppm (maximum) ► Low temperature drift ► Zero error drift: 15 nV/°C ► Gain error drift: 0.4 ppm/°C ► On-chip low-pass FIR filter ► Linear phase response ► Pass-band ripple: ±0.005 dB ► Stop-band attenuation: 100 dB ► 2.5 V supply with 1.8 V/2.5 V/3 V/3.