AD7676

a FEATURES Throughput: 500 kSPS INL: ؎1 LSB Max (؎ 0.0015% of Full-Scale) 16 Bits Resolution with No Missing Codes S/(N+D): 94 dB Typ @ 45 kHz THD: –110 dB Typ @ 45 kHz Differential Input Range: ؎ 2.5 V Both AC and DC Specifications No Pipeline Delay Parallel (8/16 Bits) and Serial 5 V/3 V Interface SPI™/QSPI™/MICROWIRE™/DSP Compatible Single 5 V Supply Operation 67 mW Typical Power Dissipation, 15 ␮W @ 100 SPS Power-Down Mode: 7 ␮ W Max Package: 48-Lead Quad Flat Pack (LQFP) Pin-to-Pin Compatible with the AD7675 APPLICATIONS CT Scanners Data Acquisition Instrumentation Spectrum Analysis Medical Instruments Battery-Powered Systems Process Control GENERAL DESCRIPTION 16-Bit, ؎1 LSB INL, 500 kSPS, Differential ADC AD7676* FUNCTIONAL BLOCK DIAGRAM AVDD AGND REF REFGND DVDD DGND OVDD AD7676 IN+ IN– SERIAL PORT SWITCHED CAP DAC 16 OGND SER/PAR BUSY DATA[15:0] CLOCK PD RESET PARALLEL INTERFACE CS RD OB/2C BYTESWAP CONTROL LOGIC AND CALIBRATION CIRCUITRY CNVST PRODUCT HIGHLIGHTS The AD7676 is a 16-bit, 500 kSPS, charge redistribution SAR, fully differential 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 clock, error correction circuits, and both serial and parallel system interface ports. The AD7676 is hardware factory calibrated and is comprehensively tested to ensure such ac parameters as signal-to-noise ratio (SNR) and total harmonic distortion (THD), in addition to th...