The LME49721 is a low distortion, low noise Rail-to-Rail Input/ Output operational amplifier optimized and fully specified for high performance, high fidelity applications. Combining advanced leading-edge process technology with state-of-the-art circuit design, the LME49721 Rail-to-Rail Input/Output operational amplifier delivers superior signal amplification for outstanding performance. The LME49721 combines a very high slew rate with low THD+N to easily satisfy demanding applications. To ensure that the most challenging loads are driven without compromise, the LME49721 has a high slew rate of ±8.5V/μs and an output current capability of ±9.7mA. Further, dynamic range is maximized by an output stage that drives 10kΩ loads to within 10mV of either power supply voltage. The LME49721 has a wide supply range of 2.2V to 5.5V. Over this supply range the LME49721’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LME49721 is unity gain stable.
The LME49721 is a low‑distortion, low‑noise rail‑to‑rail input/output operational amplifier optimized for high‑performance audio applications. It offers a wide supply range of 2.2 V to 5.5 V, a high slew rate of 8.5 V/µs, and can drive 10 kΩ loads to within 10 mV of each supply rail.
Key specifications include a quiescent current of 2.15 mA, gain‑bandwidth product of 20 MHz, open‑loop gain of 118 dB, input bias current of 40 fA, and an output short‑circuit current rating of 100 mA. The device is unity‑gain stable and suitable for portable audio, high‑fidelity preamplifiers, line drivers, and other high‑performance audio circuits.
| Power Supply Voltage Range | 2.2 V to 5.5 V |
|---|---|
| Quiescent Current | 2.15 mA (typ) |
| Slew Rate | 8.5 V/µs (typ) |
| Gain Bandwidth Product | 20 MHz (typ) |
| Open Loop Gain | 118 dB (typ) |
| Input Offset Voltage | 0.3 mV (typ) |
| Output Current Capability | +9.7 mA |
| Short‑Circuit Current | 100 mA |
The LME49721 operates from 2.2 V to 5.5 V supply voltage.
The typical slew rate is 8.5 V/µs.
The quiescent current is 2.15 mA typical.
Yes, the device is unity‑gain stable.