The AD8375 is a digitally controlled, variable gain, wide bandwidth amplifier that provides precise gain control, high IP3, and low noise figure. The excellent distortion and linearity performance enable the AD8375 to provide low noise and high gain over a 630 MHz bandwidth. The AD8375 is ideal for use in differential ADC drivers, high IF sampling receivers, wideband multichannel receivers, and instrumentation applications.
The AD8375 is a digitally controlled, variable‑gain, wide‑bandwidth VGA amplifier designed for high‑performance IF applications. It offers a gain range of –4 dB to +20 dB with 1 dB step size, a –3 dB bandwidth of 630 MHz, and a low noise figure of 8 dB at maximum gain. The device operates from a single 5 V supply and includes a power‑down mode that reduces current consumption to less than 5 mA.
The datasheet provides detailed specifications, pin descriptions, typical performance graphs, and absolute maximum ratings. It also includes an ESD caution, a functional block diagram, and an ordering guide for the 24‑lead LFCSP package.
| Bandwidth (‑3 dB) | 630 MHz |
|---|---|
| Gain range | –4 dB to +20 dB |
| Noise figure (max gain) | 8 dB |
| Supply voltage | 4.5 V – 5.5 V |
The AD8375 operates from a single supply voltage between 4.5 V and 5.5 V.