The AD8337 is a low noise, single-ended, linear-in-dB, general-purpose variable gain amplifier (VGA) usable for video, imaging, medical imaging, industrial radar, and other applications. It features low noise, wide bandwidth, low power, single-ended input and output, and high speed uncommitted op amp input, making it suitable for a variety of applications.
The AD8337 is a low‑noise, single‑ended, linear‑in‑dB variable gain amplifier (VGA) designed for frequencies from DC to 100 MHz, with a −3 dB bandwidth of 280 MHz.
It provides a nominal gain range of 0 dB to 24 dB, gain scaling of 19.7 dB/V, and operates from ±2.5 V, ±5 V or +5 V supplies, consuming 78 mW at ±2.5 V. The device is supplied in an 8‑lead LFCSP package and is suited for ultrasound, PET scanners, video, and high‑speed ADC driving.
| Supply Voltage (VPOS, VNEG) Rating | ±6 V |
|---|---|
| Operating Temperature Range | -40 °C to +85 °C |
The nominal gain range is 0 dB to 24 dB.
The input voltage noise is 2.15 nV/√Hz at 10 MHz.
It can be powered from +5 V, ±2.5 V, or ±5 V supplies.