Single VGA With Ultralow Noise Preamplifier And Programmable RIN

The AD8331 is a single, ultralow noise, linear-in-dB, Variable Gain Amplifier (VGA). Optimized for ultrasound systems, it is usable as a low noise variable gain element at frequencies up to 120 MHz.
Included is an ultralow noise preamplifier (LNA), an X-AMP VGA with 48 dB of gain range, and a selectable gain postamplifier with adjustable output limiting. The LNA gain is 19 dB with a single-ended input and differential outputs. Using a single resistor, the LNA input impedance CAN be adjusted to match a signal source without compromising noise performance.
The operating temperature range is -40C to +85C. The AD8331 is available in a 20-lead QSOP package.
The AD8331 is a single version of the dual AD8332 and quad AD8334.
For information on specs, please see the AD8331 AD8332 datasheet.
By Analog Devices, Inc.
AD8331 's PackagesAD8331 's pdf datasheet
AD8331-EVAL
AD8331ARQ QSOP
AD8331ARQ-REEL QSOP
AD8331ARQ-REEL7 QSOP
AD8331ARQZ QSOP
AD8331ARQZ-R7 QSOP
AD8331ARQZ-RL QSOP




AD8331 Pinout, Pinouts
AD8331 pinout,Pin out
This is one package pinout of AD8331,If you need more pinouts please download AD8331's pdf datasheet.

AD8331 Application circuits
AD8331 circuits
This is one application circuit of AD8331,If you need more circuits,please download AD8331's pdf datasheet.


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