AD4698 Overview
Key Specifications
Pins: 24
Description
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 (AD4697) or 1 MSPS (AD4698) - INL: ±1 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 - 24-lead, 4.00 mm × 4.00 mm LFCSP - 36-lead, 2.960 mm × 2.960 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 2.7 V to 5.5 V, single analog supply operation - Wide operating temperature range: -40°C to +125°C.
