AD9260 Datasheet | Analog Devices

FEATURES Monolithic 16-bit, oversampled A/D converter 8× oversampling mode, 20 MSPS clock 2.5 MHz output word rate 1.01 MHz signal passband with 0.004 d B ripple Signal-to-noise ratio: 88.5 d B Total harmonic distortion: - 96 d B Spurious-free dynamic range: 100 d B Input referred noise: 0.6 LSB Selectable oversampling ratio: 1×, 2×, 4×, 8× Selectable power dissipation: 150 m W to 585 m W 85 d B stop-band attenuation 0.004 d B pass-band ripple Linear phase Single 5 V analog supply, 5 V/3 V digital supply Synchronize capability for parallel ADC interface Twos plement output data 44-lead MQFP PRODUCT DESCRIPTION The AD9260 is a 16-bit, high-speed oversampled analog-todigital converter (ADC) that offers exceptional dynamic range over a wide bandwidth. The AD9260 is manufactured on an advanced CMOS process. High dynamic range is achieved with an oversampling ratio of 8× through the use of a proprietary technique that bines the advantages of sigma-delta and pipeline converter technologies. The AD9260 is a switchedcapacitor ADC with a nominal full-scale input range of 4 V. It offers a differential input with 60 d B of mon-mode rejection of mon-mode signals. The signal range of each differential input is ±1 V centered on a 2.0 V mon-mode level. The on-chip decimation filter is configured for maximum performance and flexibility. A series of three half-band FIR filter stages provide 8× decimation filtering with 85 d B of stopband attenuation and 0.004 d B of pass-band ripple. An onboard digital multiplexer allows the user to access data from the various stages of the decimation filter. The on-chip programmable reference and reference buffer amplifier are configured for maximum accuracy and flexibility. An external reference can also be chosen to suit the user’s specific dc accuracy and drift requirements. The AD9260 operates on a single +5 V supply, typically consuming 585 m W of power. A power scaling circuit is provided allowing the AD9260 to operate at power consump- Rev....