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AD7946

Analog Devices
Part Number AD7946
Manufacturer Analog Devices
Description PulSAR ADC
Published Sep 28, 2018
Detailed Description Data Sheet FEATURES 14-bit resolution with no missing codes Throughput: 500 kSPS INL: ±0.4 LSB typical, ±1 LSB maximum (...
Datasheet PDF File AD7946 PDF File

AD7946
AD7946

Overview
Data Sheet FEATURES 14-bit resolution with no missing codes Throughput: 500 kSPS INL: ±0.
4 LSB typical, ±1 LSB maximum (±0.
0061% of FSR) SINAD: 85 dB at 20 kHz THD: −100 dB at 20 kHz Pseudo differential analog input range 0 V to REF with REF up to VDD No pipeline delay Single-supply 5 V operation with 1.
8 V/2.
5 V/3 V/5 V logic interface Proprietary serial interface SPI-/QSPI™-/MICROWIRE™-/DSP-compatible Daisy-chain multiple ADCs and BUSY indicator Power dissipation 3.
3 mW at 5 V/100 kSPS 3.
3 µW at 5 V/100 SPS Standby current: 1 nA 10-lead MSOP (MSOP-8 size) and 3 mm × 3 mm LFCSP (SOT-23 size) Pin-for-pin compatible with the 16-bit AD7686 APPLICATIONS Battery-powered equipment Data acquisition Instrumentation Medical instruments Process control 14-Bit, 500 kSPS, PulSAR ADC in MSOP and LFCSP AD7946 TYPICAL APPLICATION CIRCUIT 0.
5V TO 5V 5V 0V TO REF REF VDD VIO SDI IN+ AD7946 SCK IN– SDO GND CNV 1.
8V TO VDD 3- OR 4-WIRE INTERFACE (SPI, DAISY CHAIN, CS) 04656-001 Fig...


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