AD7691-EP Datasheet | Analog Devices

FEATURES 18-bit resolution with no missing codes Throughput: 250 k SPS INL ±0.75 LSB typical ±1.5 LSB minimum/maximum at - 40°C to +85°C - 2.7 LSB/+2 LSB minimum/maximum at - 55°C to +105°C Dynamic range: 102 d B typical Oversampled dynamic range: 125 d B at 1 k SPS Noise-free code resolution: 20 bits at 1 k SPS Effective resolution: 22.7 bits at 1 k SPS SINAD: 101 d B typical at f IN = 1 k Hz, VREF = 5 V THD: - 125 d B typical at f IN = 1 k Hz, VREF = 5 V True differential analog input range: ±VREF 0 V to VREF with VREF up to VDD on both inputs No pipeline delay Single-supply 2.3 V to 5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface Serial interface SPI-/QSPI™-/MICROWIRE™-/DSP-patible Ability to daisy-chain multiple ADCs Optional busy indicator feature Power dissipation 1.35 m W at VDD = 2.5 V, 100 k SPS throughput 4.24 m W at VDD = 5 V, 100 k SPS throughput 1.4 μW at VDD = 2.5 V, 100 SPS throughput Standby current: 1 n A 10-lead MSOP Pin-for-pin patible with the18-bit AD7690 and 16-bit AD7693, AD7688, and AD7687 ENHANCED PRODUCT FEATURES Supports defense and aerospace applications (AQEC standard) Military temperature range: - 55°C to +105°C Controlled manufacturing baseline One assembly/test site One fabrication site Enhanced product change notification Qualification data available on request APPLICATIONS Battery-powered equipment Data acquisitions Seismic data acquisition systems Instrumentation Medical instruments Rev. A Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. 18-Bit, 250 k SPS Pul SAR Differential ADC in...