ISL55020
Wideband, Low Distortion, Differential Amplifier
Key Features
- Fully differential current feedback amplifier
- High impedance differential inputs
- Differential output drives up to 100mA from a +12V supply
- Separate unity-gain common mode input (VCM)
- 300MHz bandwidth
- 1200V/µs Slewrate
- -73.3dBc typical driver output distortion at 10VPP; 1MHz
- -64.6dBc typical driver output distortion at 10VPP; 4MHz
- Low quiescent supply current of 21mA
- Pb-free plus anneal available (RoHS compliant)
Description
The ISL55020 is fully differential wideband amplifier designed to drive differential ADCs. This device features a high drive capability of 100mA, low operating quiescent current of 21mA and operates with both single and dual supplies over a range of 4.5V (±2.25V) to +12V (±6V). Key features include high impedance, full differential inputs and full differential or DC referenced complementary singleended outputs A wide bandwidth unity gain common mode (VCM) amplifier input is included to provide DC offset correction or common mode signal injection to the differential output.
The ISL55020 is available in the thermally-enhanced 16 Ld QFN package and is specified for operation over the full -40°C to +85°C temperature range. The ISL55020 has an EN pin to disable the outputs.
Applications
- High Linearity ADC preamplifier
- Differential driver
- Wireless communication receiver
- Differential active filter


