AD7952 PDF Datasheet
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Description
This is Programmable Input PulSAR ADC.
14-Bit, 1 MSPS, Differential, Programmable Input PulSAR® ADC AD7952
FEATURES
Multiple pins, software-programmable input ranges +5 V (10 V p-p), +10 V (20 V p-p), ±5 V (20 V p-p), ±10 V (40 V p-p) Pins or serial SPI®-compatible input ranges, mode selection Throughput 1 MSPS (warp mode) 800 kSPS (normal mode) 670 kSPS (impulse mode) 14-bit resolution with no missing codes INL: ±0.3 LSB typical, ±1 LSB maximum (±61 ppm of FSR) SNR: 85 dB @ 2 kH- iCMOS® process technology 5 V internal reference: typical drift 3 ppm, °C; TEMP output No pipeline delay (SAR architecture) Parallel (14- or 8-bit bus) and serial 5 V, 3.3 V interface SPI-, QSPI™-, MICROWIRE™-, DSP-compatible Power dissipation 235 mW @ 1 MSPS 10 mW @ 1 kSPS 48-lead LQFP and 48-lead LFCSP (7 mm × 7 mm)
AGND AVDD PDREF PDBUF IN+ IN SWITCHED CAP DAC REF
FUNCTIONAL BLOCK DIAGRAM
TEMP REFBUFIN REF REFGND VCC VEE DVDD DGND OVDD OGND
REF AMP
AD7952
SERIAL DATA PORT SERIAL CONFIGURATION 14 PORT
D[13:0] SER, PAR BYTESWAP
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