AD9277

www.DataSheet4U.com Octal LNA/VGA/AAF/14-Bit ADC and CW I/Q Demodulator AD9277 APPLICATIONS Medical imaging/ultrasound Automotive radar FEATURES 8 channels of LNA, VGA, AAF, ADC, and I/Q demodulator Low noise preamplifier (LNA) Input-referred noise: 0.75 nV/√Hz typical at 5 MHz (gain = 21.3 dB) SPI-programmable gain: 15.6 dB/17.9 dB/21.3 dB Single-ended input: VIN maximum = 733 mV p-p/ 550 mV p-p/367 mV p-p Dual-mode active input impedance matching Bandwidth (BW) > 100 MHz Full-scale (FS) output: 4.4 V p-p differential Variable gain amplifier (VGA) Attenuator range: −42 dB to 0 dB Postamp gain: 21 dB/24 dB/27 dB/30 dB Linear-in-dB gain control Antialiasing filter (AAF) Programmable second-order LPF from 8 MHz to 18 MHz Programmable HPF Analog-to-digital converter (ADC) 14 bits at 10 MSPS to 50 MSPS SNR: 73 dB SFDR: 75 dB Serial LVDS (ANSI-644, IEEE 1596.3 reduced range link) Data and frame clock outputs CW mode I/Q demodulator Individual programmable phase rotation Output dynamic range per channel >160 dBFS/√Hz Low power: 207 mW per channel at 14 bits/50 MSPS (TGC), 94 mW per channel for CW Doppler Flexible power-down modes Overload recovery in <10 ns Fast recovery from low power standby mode: <2 μs 100-lead TQFP_EP AVDD1 AVDD2 PDWN PRODUCT HIGHLIGHTS 1. Small Footprint. Eight channels are contained in a small, space-saving package. Full TGC path, ADC, and I/Q demodulator contained within a 100-lead, 16 mm × 16 mm TQFP. Low Power. In TGC mode, low power of 207 mW per chann...