Description

16-Bit, 16-Channel, 500 kSPS/1 MSPS, Easy Drive Multiplexed SAR ADC Features: Easy Drive Reduced analog input and reference drive requirements On-chip reference buffer (WLCSP only) Overvoltage protection up to 5 mA on each analog input Long acquisition phase, ≥71.5% (715 ns/1000 ns) of cycle time at 1 MSPS High performance Sample rate: 500 kSPS (AD4695) or 1 MSPS (AD4696) INL: ±1.0 LSB maximum Guaranteed 16-bit, no missing codes SINAD: 93 dB typical, fIN = 1 kHz Oversampled dynamic range: 111.2 dB, OSR = 64 Small footprint, high channel density 32-lead 5 mm × 5 mm LFCSP 36-ball 2.96 mm × 2.96 mm WLCSP Easy Drive features support system level designs with fewer components Enhanced digital functionality First conversion accurate, no latency or pipeline delay Fast conversion time and dual-/quad-SDO modes allow low SPI clock rates Customizable channel sequencer On-chip oversampling and decimation Threshold detection alerts Offset and gain correction Autonomous conversion (autocycle) mode 1.14 V to 1.98 V logic SPI Low power 8 mW at fS = 1 MSPS and 4 mW at fS = 500 kSPS 4 μW standby power dissipation with the internal LDO disabled Internal LDO enables 3.15 V to 5.5 V, single analog supply operation Wide operating temperature range: −40°C to +125°C