AD7610

www.DataSheet4U.com 16-Bit, 250 kSPS, Unipolar/Bipolar Programmable Input PulSAR® ADC AD7610 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: 250 kSPS 16-bit resolution with no missing codes INL: ±0.75 LSB typ, ±1.5 LSB max (±23 ppm of FSR) SNR: 94 dB @ 2 kHz iCMOS® process technology 5 V internal reference: typical drift 3 ppm/°C; On-chip temperature sensor 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 90 mW @ 250 kSPS 10 mW @ 1 kSPS 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 AD7610 SERIAL DATAPORT SERIAL CONFIGURATION PORT 16 D[15:0] SER/PAR BYTESWAP CNVST PD RESET CLOCK CONTROL LOGIC AND CALIBRATION CIRCUITRY PARALLEL INTERFACE OB/2C BUSY RD CS 06395-001 BIPOLAR TEN Figure 1. APPLICATIONS Process control Medical instruments High speed data acquisition Digital signal processing Instrumentation Spectrum analysis ATE GENERAL DESCRIPTION The AD7610 is a 16-bit charge redistribution successive approximation register (SAR), architecture analog-to-digital converter (ADC) fabricated on Analog Devices, Inc.’s iCMOS high voltage process. The device is configured through hardware or via a dedicated write only serial configura...