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AD9271

Part Number	AD9271
Manufacturer	Analog Devices
Description	Octal LAN/VGA/AAF/ADC and Crosspoint Switch
Published	May 12, 2007
Detailed Description	FEATURES 8 channels of LNA, VGA, AAF, and ADC Low noise preamplifier (LNA) Input-referred noise = 1.1 nV/√Hz @ 5 MHz typ...
Datasheet	AD9271 PDF File

Overview

FEATURES 8 channels of LNA, VGA, AAF, and ADC Low noise preamplifier (LNA) Input-referred noise = 1.
1 nV/√Hz @ 5 MHz typical, gain = 18 dB SPI-programmable gain = 14 dB/15.
6 dB/18 dB Single-ended input; VIN maximum = 400 mV p-p/ 333 mV p-p/250 mV p-p Dual-mode active input impedance matching Bandwidth (BW) > 70 MHz Full-scale (FS) output = 2 V p-p differential Variable gain amplifier (VGA) Gain range = −6 dB to +24 dB Linear-in-dB gain control Antialiasing filter (AAF) 3rd-order Butterworth cutoff Programmable from 8 MHz to 18 MHz Analog-to-digital converter (ADC) 12 bits at 10 MSPS to 50 MSPS SNR = 70 dB SFDR = 80 dB Serial LVDS (ANSI-644, IEEE 1596.
3 reduced range link) Data and frame clock outputs Includes crosspoint switch to support continuous wave (CW) Doppler Low power, 150 mW per channel at 12 bits/40 MSPS (TGC) 90 mW per channel in CW Doppler Single 1.
8 V supply (3.
3 V supply for CW Doppler output bias) Flexible power-down modes Overload recovery in <10 ns Fast recovery fr...

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