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AD7677

Analog Devices

1 MSPS Differential ADC

a FEATURES Throughput: 1 MSPS INL: ؎1 LSB Max (؎ 0.0015% of Full-Scale) 16 Bits Resolution with No Missing Codes S/(N+D)...


Analog Devices

AD7677

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Description
a FEATURES Throughput: 1 MSPS 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 Single 5 V Supply Operation 115 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 Upgrade of the AD7664/AD7675/ AD7676 APPLICATIONS CT Scanners Data Acquisition Instrumentation Spectrum Analysis Medical Instruments Battery-Powered Systems Process Control 16-Bit, 1 LSB INL, 1 MSPS Differential ADC AD7677* FUNCTIONAL BLOCK DIAGRAM AVDD AGND REF REFGND DVDD DGND OVDD AD7677 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 WARP IMPULSE CNVST GENERAL DESCRIPTION PRODUCT HIGHLIGHTS The AD7677 is a 16-bit, 1 MSPS, 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 AD7677 is hardware factory calibrated and comprehensively tested to ensure such ac parameters as signal-to-noise ratio (SNR) and total harmonic distortion (THD), in addition to the more t...




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