AD7671

PRELIMINARY TECHNICAL DATA a 16-Bit 1 MSPS SAR Unipolar ADC with Ref Preliminary Technical Data AD7667* FEATURES Throughput: 1 MSPS (Warp Mode) 800 kSPS (Normal Mode) 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 112 mW Typ without REF, 122 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 FUNCTIONAL REFBUFIN AGND AVDD BLOCK DIAGRAM DVDD DGND OVDD SERIAL PORT REF REFGND AD7667 2.5 V REF OGND 16 IN INGND SWITCHED CAP DAC DATA[15:0] BUSY PARALLEL INTERFACE CLOCK PDREF RD CS SER/PAR OB/2C PDBUF PD RESET CONTROL LOGIC AND CALIBRATION CIRCUITRY BYTESWAP WARP IMPULSE CNVST PulSAR Selection Type / kSPS Pseudo Differential 100 - 250 AD7651 AD7660/61 500 - 570 AD7650/52 AD7664/66 1000 AD7653 AD7667 True Bipolar True Differential AD7663 AD7675 AD7665 AD7676 AD7671 AD7677 PRODUCT HIGHLIGHTS GENERAL DESCRIPTION The AD7667 is a 16-bit, 1 MSPS, charge redistribution SAR, analog-to-digital converter that operates from a single 5 V power supply. The part contains a high-speed 16-bi...