AD8334 - Ultralow Noise VGAs

Analog Devices

Datasheet Details

The AD8331/AD8332/AD8334 are single-, dual-, and quadchannel, ultralow noise linear-in-dB, variable gain amplifiers (VGAs).

Ultralow noise preamplifier (preamp) Voltage noise = 0.74 nV/√Hz Current noise = 2.5 pA/√Hz 3 dB bandwidth AD8331: 120 MHz AD8332, AD8334: 100 MHz Low power AD8331: 125 mW/channel AD8332, AD8334: 145 mW/channel Wide gain range with programmable postamp.
4.5 dB to +43.5 dB in LO gain mode 7.5 dB to 55.5 dB in HI gain mode Low output-referred noise: 48 nV/√Hz typical Active input impedance matching Optimized for 10-bit/12-bit ADCs Selectable output clamping level Single 5 V supply operatio.

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Published: Apr 25, 2007 |