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.
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| Number of channels | 2 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) | 2.2 |
| Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) | 5.5 |
| GBW (typ) (MHz) | 20 |
| Slew rate (typ) (V/µs) | 8.5 |
| Rail-to-rail | In, Out |
| Vos (offset voltage at 25°C) (max) (mV) | 1.5 |
| Iq per channel (typ) (mA) | 2.15 |
| Vn at 1 kHz (typ) (nV√Hz) | 4 |
| Features | Premium Sound, Shutdown |
| THD + N at 1 kHz (typ) (%) | 0.0002 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| Iout (typ) (A) | 0.1 |
| Architecture | Voltage FB |
| CMRR (typ) (dB) | 93 |
| Input bias current (max) (pA) | 1 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
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