AD7650

a FEATURES Throughput 570 kSPS (Warp Mode) 500 kSPS (Normal Mode) 16 Bits Resolution Analog Input Voltage Range: 0 V to 2.5 V No Pipeline Delay Parallel and Serial 5 V/3 V Interface SPI™/QSPI™/MICROWIRE™/DSP Compatible Single 5 V Supply Operation Power Dissipation 77 mW Typical @ 444 kSPS (Impulse Mode) 21 ␮W @ 100 SPS Power-Down Mode: 7 ␮W Max Package: 48-Lead Quad Flat Pack (LQFP) or 48-Lead Frame Chip-Scale Pack (LFCSP) Pin-to-Pin Compatible with PulSAR ADCs APPLICATIONS Data Acquisition Instrumentation Digital Signal Processing Spectrum Analysis Medical Instruments Battery-Powered Systems Process Control 16-Bit, 570 kSPS Low Cost CMOS ADC AD7650 FUNCTIONAL BLOCK DIAGRAM AVDD AGND REF REFGND DVDD DGND IN+ IN– PD RESET AD7650 SWITCHED CAP DAC SERIAL PORT CLOCK CONTROL LOGIC AND CALIBRATION CIRCUITRY PARALLEL 16 INTERFACE OVDD OGND SER/PAR BUSY DATA[15:0] CS RD OB/2C WARP IMPULSE CNVST GENERAL DESCRIPTION The AD7650 is a 16-bit, 570 kSPS, charge redistributio...