Analog Devices Inc.
24-Bit, 15 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 (AD7767-2) 112.5 dB dynamic range, 64 kSPS (AD7767-1) 109.5 dB dynamic range, 128 kSPS (AD7767) −118 dB THD Exceptionally low power 8.5 mW, 32 kSPS (AD7767-2) 10.5 mW, 64 kSPS (AD7767-1) 15 mW, 128 kSPS (AD7767) High dc accuracy 24 bits, no missing codes (NMC) INL: ±3 ppm (typical), ±7.6 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/3.6 V logic interface options Flexible interfacing options Synchronization of multiple devices Daisy-chain capability Power-down function Temperature range: −40°C to +105°C