Quad Low Noise, Low Cost Variable Gain Amplifier

The AD8335 is a quad Variable Gain Amplifier (VGA) with low noise preamplifier intended for cost and power sensitive applications. AD8335 features four channels with 48 dB gain range; fully differential signal paths; and active input preamplifier matching. The AD8335 has an output gain Switch of 8 dB and separate gain controls for each channel.
The aggregate input referred voltage noise at maximum gain is 1.3 nV/Hz; the preamplifier (PrA) has 1.2 nV/Hz. The PrA has a single-ended to differential gain of 8 (18.06 dB) and a maximum input signal capability is 625 mVPK-PK. Assuming a 20 MHz noise bandwidth (NBW), the Nyquist frequency for a 40 MHz ADC the input SNR is 92 dB. The HILO pin optimizes the output SNR for 10 and 12 bit ADCs with 1 or 2 Vpp full-scale (FS) inputs.
Channels 1 and 2 are enabled through the EN12 pin while channels 3 and 4 are enabled through the EN34 pin. For VGA only applications, the PrAs CAN be powered down, significantly reducing power consumption.
The AD8335 is available in a 64 pin chip scale (9x9 mm) package for the industrial temperature range of -40C to +85C.
By Analog Devices, Inc.
AD8335 's PackagesAD8335 's pdf datasheet

AD8335 Pinout, Pinouts
AD8335 pinout,Pin out
This is one package pinout of AD8335,If you need more pinouts please download AD8335's pdf datasheet.

AD8335 Application circuits
AD8335 circuits
This is one application circuit of AD8335,If you need more circuits,please download AD8335's pdf datasheet.

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