This document introduces the LME49722 low noise, high performance, high fidelity dual audio operational amplifier.
The LME49722 is a low‑noise, high‑performance dual audio operational amplifier optimized for high‑fidelity applications. It offers a supply voltage range of +2.5 V to +18 V, a typical slew rate of +22 V/µs, and an output current capability of 28 mA, making it suitable for demanding audio loads.
The datasheet provides key specifications such as THD+N of 0.00002 % (typ), input noise density of 1.9 nV/√Hz at 1 kHz, PSRR of 120 dB, and a gain‑bandwidth product of 45 MHz (min). It also includes absolute maximum ratings, electrical characteristics, and typical performance graphs for THD+N, IMD, PSRR, and CMRR.
| Supply Voltage Range | +2.5 V to +18 V |
|---|---|
| Slew Rate | +22 V/µs (typ) |
| THD+N | 0.00002 % (typ) at 2 kΩ load |
| Output Current Capability | 28 mA |
The device operates from +2.5 V up to +18 V.
Its typical slew rate is +22 V/µs.
THD+N is typically 0.00002 % with a 2 kΩ load.