The LMH6654/55 is a single/dual channel, low power, 250MHz, low noise amplifier from National Semiconductor. It has a true single supply capability with an input common mode voltage range of -5.15V to +3.7V. The LMH6654/55 is ideal for many portable, high speed applications where power is at a premium.
The LMH6654/55 are single and dual high-speed, voltage feedback amplifiers designed for unity-gain stable operation with a bandwidth of 250 MHz. They operate from a supply voltage range of +2.5V to +6V and each channel consumes only 4.5mA. These amplifiers feature very low voltage noise and wide output swing to maximize signal-to-noise ratio, making them ideal for portable, high-speed applications where power is at a premium.
| Unity gain bandwidth | 250 MHz |
|---|---|
| Supply voltage range | +2.5V to +6V |
| Supply current | 4.5mA/channel |
| Input voltage noise | 4.5 nV/√Hz |
| Input current noise | 1.7 pA/√Hz |
| Settling time to 0.01% | 25 ns |
| Slew rate | 200 V/µs |
| Input common mode voltage range | -5.15V to +3.7V |
| Output voltage swing (RL = 100Ω) | -3.6V to 3.4V |
| Input offset voltage | -3 mV to +3 mV |
| Input bias current | 5 µA to 12 µA |
| Input resistance (Differential Mode) | 20 kΩ |
The amplifiers operate from +2.5V to +6V.
The amplifiers have a unity-gain bandwidth of 250 MHz.
Each channel consumes only 4.5 mA.