I've bought 6 to replace the stock OP AMPS on my two Fosi Audio V3 Mono.
Very good transparency with excelent bottom end and extended top end without any harshness.
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Operational Amplifier OPA Class AB 2 Ways DIP8 (Unit)
The Texas Instruments LME49720NA/NOPB is a high performance 2-channel Class AB, high performance operational amplifier (OPA) integrated in a DIP8 package. This ultra low distortion, low noise and high speed AOP is optimized for high fidelity audio applications. Combining state-of-the-art technology and modern design, the LME49720 offers superior audio signal amplification for outstanding audio performance. It combines extremely low voltage noise density (2.7nV/√Hz) with low THD+N (0.00003%), for use in demanding audio applications. This stable unit gain AOP achieves outstanding AC performance while generating complex loads with values up to 100pF.
Specifications | |
---|---|
Product type | Operational amplifier (AOP) |
Amplification Class | AB |
Number of channel | 2 |
Supply voltage range | ±2.5V à ±17V |
Case/Connection type | DIP8 |
Output current | 26mA |
Input noise density | 2.7nV/rtHz |
THD+N | 0.00003% |
Slew rate | ±20V/µs |
Load impedance | 2kΩ |
PSRR / CMRR | > 120dB |
Gain bandwidth | 55MHz |
Open loop gain | 140dB @ RL = 600Ω |
Min/Max operating temperature | -40°C / 85°C |
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