AD7952

www.DataSheet4U.com 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 kHz 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 CNVST PD RESET CLOCK CONTROL LOGIC AND CALIBRATION CIRCUITRY PARALLEL INTERFACE OB/2C BUSY RD CS 06589-001 WARP IMPULSE BIPOLAR TEN Figure 1. Table 1. 48-Lead PulSAR Selection Input Type Bipolar Differential Bipolar Unipolar Res (Bits) 14 14 16 AD7651 AD7660 AD7661 AD7650 AD7652 AD7664 AD7666 Bipolar Differential Unipolar Simultaneous/ Multichannel Unipolar Differential Unipolar Differential Bipolar 16 16 AD7610 AD7663 AD7675 AD7665 AD7676 AD7612 AD7671 AD7677 AD7621 AD7622 AD7623 16 AD76...