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AD9273 - Octal LNA/VGA/AAF/ADC and Crosspoint Switch

Description

The AD9273 is designed for low cost, low power, small size, and ease of use.

It contains eight channels of a low noise preamplifier (LNA) with a variable gain amplifier (VGA); an antialiasing filter (AAF); and a 12-bit, 10 MSPS to 50 MSPS analog-todigital converter (ADC).

Features

  • 8 channels of LNA, VGA, AAF, and ADC Low noise preamplifier (LNA) Input-referred noise voltage = 1.26 nV/√Hz (gain = 21.3 dB) @ 5 MHz typical 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 SPI-programmable PGA gain = 21 dB/24 dB/27 dB/30 dB Lin.

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Datasheet Details

Part number AD9273
Manufacturer Analog Devices
File Size 745.95 KB
Description Octal LNA/VGA/AAF/ADC and Crosspoint Switch
Datasheet download datasheet AD9273 Datasheet
Additional preview pages of the AD9273 datasheet.

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Full PDF Text Transcription

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FEATURES 8 channels of LNA, VGA, AAF, and ADC Low noise preamplifier (LNA) Input-referred noise voltage = 1.26 nV/√Hz (gain = 21.3 dB) @ 5 MHz typical 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 SPI-programmable PGA gain = 21 dB/24 dB/27 dB/30 dB Linear-in-dB gain control Antialiasing filter (AAF) Programmable 2nd-order low-pass filter (LPF) from 8 MHz to 18 MHz Programmable high-pass filter (HPF) Analog-to-digital converter (ADC) 12 bits at 10 MSPS to 50 MSPS SNR = 70 dB SFDR = 75 dB Serial LVDS (ANSI-644, IEEE 1596.
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