The KM4212 is an ultra-low power, low cost, voltage feedback amplifier. Its typical operating voltage is +2.7V or +5V, the input voltage range is -0.3V to +3.8V, the output voltage range is 0.04V to 4.96V. The features of this amplifier include: 70µA supply current, 7.3MHz bandwidth, ±4mA linear output current, ±9mA short circuit output current, 29nV/√Hz input voltage noise. This amplifier is suitable for portable/battery-powered applications, A/D buffer, active filters, signal conditioning, portable test instruments, etc.
The KM4212 is an ultra-low power, voltage feedback amplifier designed for portable and battery-powered applications. It features a 70uA supply current, 7.3MHz small signal bandwidth, and a slew rate of 9V/us. The device operates on single supplies ranging from +2.5V to +5.5V.
| Supply Current | 70uA |
|---|---|
| Bandwidth | 7.3MHz |
| Input Voltage Noise | 29nV/rtHz |
| Short Circuit Output Current | +9mA |
| Power Supply Operating Range | 2.5 to 5.5 Vv |
The typical quiescent current is 70 pA.
The KM4212 is available in SOIC-8 and MSOP-8 packages.