The ADA4859-3 is a high performance single supply, fixed gain of 2, high speed video amplifier with charge pump
The ADA4859-3 is a triple video amplifier designed for professional and consumer video applications. It operates from a single 3 V to 5.5 V supply, provides a fixed gain of 2, and includes an integrated charge pump that eliminates the need for a negative supply.
Key features include a 195 MHz –3 dB bandwidth, 740 V/µs slew rate, low quiescent current (38 mA) with a power‑down mode as low as 2 mA, and a wide input common‑mode range of –1.8 V to +3.8 V at a 5 V supply.
| Supply voltage range | 3 V to 5.5 V |
|---|---|
| Output voltage range | -3.3 V to -1.8 V |
| -3 dB bandwidth (gain = 2) | 195 MHz |
| Slew rate | 740 V/µs |
| Total quiescent current | 38 mA |
| Power‑down current | as low as 2 mA |
| Input common‑mode voltage range | -1.8 V to +3.8 V (at +5 V supply) |
| Charge pump output voltage | 3.2 V (typical) |
| Charge pump sink current | 150 mA |
It operates from 3 V up to 5.5 V.
Yes, the power‑down feature reduces the supply current to as low as 2 mA.
The device draws about 38 mA of quiescent current.
The -3 dB bandwidth is 195 MHz.