AD7666

www.DataSheet4U.com a 16-Bit 500 kSPS SAR Unipolar ADC with Ref Preliminary Technical Data FEATURES Throughput: 500 kSPS INL: ±2.5 LSB Max (±0.0038% of Full Scale) 16 Bits Resolution with No Missing Codes Analog Input Voltage Range: 0 V to 2.5 V No Pipeline Delay Parallel and Serial 5 V/3 V Interface SPITM/QSPITM/MICROWIRETM/DSP Compatible Single 5 V Supply Operation Power Dissipation 67 mW Typ without REF, 77 mW Typ with REF 15 ␮W @ 100 SPS Power-Down Mode: 7 ␮W Max Package: 48-Lead Quad Flat Pack (LQFP); 48-Lead Chip Scale Package (LFCSP) Pin-to-Pin Compatible with PulSAR ADCs APPLICATIONS Data Acquisition Instrumentation Digital Signal Processing Spectrum Analysis Medical Instruments Battery-Powered Systems Process Control REFBUFIN REF REFGND AGND AVDD 2.5 V REF IN INGND PDREF PDBUF PD RESET CONTROL LOGIC AND CALIBRATION CIRCUITRY CLOCK SWITCHED CAP DAC PARALLEL INTERFACE PRELIMINARY TECHNICAL DATA AD7666* FUNCTIONAL BLOCK DIAGRAM DVDD DGND OVDD SERIAL PORT 16 DATA[15:0] BUSY RD CS SER/PAR OB/2C BYTESWAP CNVST OGND AD7666 PulSAR Selection Type / kSPS Pseudo Differential True Bipolar True Differential 100 - 250 AD7651 AD7660/61 AD7663 AD7675 500 - 570 AD7650/52 AD7664/66 AD7665 AD7676 1000 AD7653 AD7667 AD7671 AD7677 PRODUCT HIGHLIGHTS GENERAL DESCRIPTION The AD7666 is a 16-bit, 500 kSPS, charge redistribution SAR, analog-to-digital converter that operates from a single 5 V power supply. The part contains a high-speed 16-bit sampling ADC, an internal conversion c...