AD7612

16-Bit, 750 kSPS, Unipolar/Bipolar Programmable Input PulSAR® ADC AD7612 FEATURES Multiple pins/software programmable input ranges: 5 V, 10 V, ±5 V, ±10 V Pins or serial SPI®-compatible input ranges/mode selection Throughput 750 kSPS (warp mode) 600 kSPS (normal mode) 500 kSPS (impulse mode) INL: ±0.75 LSB typical, ±1.5 LSB maximum (±23 ppm of FSR) 16-bit resolution with no missing codes SNR: 92 minimum (5 V) @ 2 kHz, 94 dB typical (±10 V) @ 2 kHz THD: −107 dB typical iCMOS™ process technology 5 V internal reference: typical drift 3 ppm/°C; TEMP output No pipeline delay (SAR architecture) Parallel (16- or 8-bit bus) and serial 5 V/3.3 V interface SPI-/QSPI™-/MICROWIRE™-/DSP-compatible Power dissipation: 190 mW @ 750 kSPS Pb-free, 48-lead LQFP and LFCSP (7 mm × 7 mm) packages 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 AD7612 SERIAL DATA PORT SERIAL CONFIGURATION 16 PORT D[15:0] SER/PAR BYTESWAP CNVST PD RESET CLOCK CONTROL LOGIC AND CALIBRATION CIRCUITRY PARALLEL INTERFACE OB/2C BUSY RD CS 06265-001 WARP IMPULSE BIPOLAR TEN Figure 1. Table 1. 48-Lead 14-/16-/18-Bit PulSAR Selection Type Pseudo Differential 100 kSPS to 250 kSPS AD7651 AD7660 AD7661 AD7663 AD7675 500 kSPS to 570 kSPS AD7650 AD7652 AD7664 AD7666 AD7665 AD7676 800 kSPS to 1000 kSPS AD7653 AD7667 >1000 kSPS APPLICATIONS Process control Medical instruments High speed data acquisition Digital signal processing In...