GENERAL DESCRIPTION The AD6645 is a high speed, high performance, monolithic 14-bit analog-to-digital converter (ADC). All necessary functions, including track-and-hold (T/H) and reference, are included on the chip to provide a complete conversion solution. The AD6645 provides CMOS-compatible digital outputs. It is the fourth generation in a wideband ADC family, preceded by the AD9042 (12-bit, 41 MSPS), the AD6640 (12-bit, 65 MSPS, IF sampling), and the AD6644 (14-bit, 40 MSPS/65 MSPS). FEATURES SNR = 75 dB, fIN 15 MHz, up to 105 MSPS SNR = 72 dB, fIN 200 MHz, up to 105 MSPS SFDR = 89 dBc, fIN 70 MHz, up to 105 MSPS 100 dBFS multitone SFDR IF sampling to 200 MHz Sampling jitter: 0.1 ps 1.5 W power dissipation Differential analog inputs Pin compatible to AD6644 Twos complement digital output format 3.3 V CMOS compatible Data-ready for output latching APPLICATIONS Multichannel, multimode receivers Base station infrastructures AMPS, IS-136, CDMA, GSM, W-CDMA Single channel digital receivers Antenna array processing Communications instrumentation Radars, infrared imaging Instrumentation
|