The ISL59446 is a 500MHz bandwidth four-way quarter gain multiplexing amplifier from Intersil. It has a high gain, high speed and excellent bandwidth, and is suitable for video switching.
The ISL59446 is a triple‑channel 4:1 multiplexer with integrated amplifiers that provide a fixed gain of 2, high slew‑rate and wide bandwidth for video switching applications. It includes three‑state outputs and a power‑down mode to reduce consumption in low‑power designs.
Key specifications include a 500 MHz bandwidth, 1600 V/µs slew rate, 11 mA per channel supply current, and operation over –65 °C to +150 °C. The device is offered in QFN and MLFP packages and comes with detailed layout and thermal‑pad guidelines for optimal performance.
| Bandwidth | 500 MHz |
|---|---|
| Slew Rate | 1600 V/µs |
| Supply Current | 11 mA per channel |
| Power‑down Consumption | 14 mW |
| Operating Temperature Range | -65 °C to +150 °C |
The device has a fixed gain of 2.
When the ENABLE pin is high, it consumes only 14 mW.
The supply current is 11 mA per channel.
It is offered in a 32‑lead QFN L32.5x6A package and a 32‑lead MLFP package.