The MCP6L91/1R/2/4 is a low power single/dual/quad operational amplifier from Microchip Technology Inc. with 10MHz gain bandwidth product (GBWP) and low 850µA/amplifier quiescent current.
The MCP6L91 family offers low‑power, rail‑to‑rail input and output operational amplifiers available in single, dual, and quad packages. Typical applications include portable equipment, photodiode amplifiers, analog filters, notebooks, PDAs, and battery‑powered systems. The device operates from 2.4 V to 6.0 V and supports an extended temperature range of –40 °C to +125 °C.
Key electrical characteristics are detailed, including a 10 MHz gain‑bandwidth product, 0.85 mA typical quiescent current per amplifier, and input bias currents as low as 1 pA. The datasheet also contains AC performance data, thermal resistance values for various packages, and typical performance curves for designers.
| Gain Bandwidth Product | 10 MHz (typical) |
|---|---|
| Supply Voltage | 2.4 V to 6.0 V |
| Quiescent Current per Amplifier | 0.85 mA (typical) |
| Input Offset Voltage | -4 mV to +4 mV (typical) |
| Input Bias Current | 1 pA (typical) |
| Output Short‑Circuit Current | +25 mA |
| Power Supply Rejection Ratio | 89 dB |
| Common‑Mode Input Voltage Range | -0.3 V to 5.3 V |
| Thermal Resistance (SOT‑23) | 256 °C/W |
| Operating Temperature Range | -40 °C to +125 °C |
It is 10 MHz typical.
It operates from 2.4 V to 6.0 V.
The typical quiescent current is 0.85 mA per amplifier.
The input bias current is typically 1 pA.