General Description
The KM4110 (single) and KM4120 (single with disable) are low cost, voltage feedback amplifiers. These amplifiers are designed to operate on +2.7V, +5V, or ±2.5V supplies. The input voltage range extends 300mV below the negative rail and 1.2V below the positive rail.

Features
■ 505µA supply current
■ 75MHz bandwidth
■ Power down to Is = 33µA (KM4120)
■ Fully specified at +2.7V and +5V supplies
■ Output voltage range: 0.07V to 4.86V; Vs = +5
■ Input voltage range: -0.3V to +3.8V; Vs = +5
■ 50V/µs slew rate
■ ±15mA linear output current
■ ±30mA output short circuit current
■ 12nV/√Hz input voltage noise
■ Directly replaces AD8031 in single supply applications
■ Small package options (SOT23-5 and SOT23-6)

Applications
■ Portable/battery-powered applications
■ A/D buffer
■ Active filters
■ Signal conditioning
■ Portable test instruments