Overview
The LME49860MAX/NOPB is a high-performance, dual-channel operational amplifier designed by Texas Instruments. This device is optimized for high-fidelity audio applications, offering ultra-low distortion and noise characteristics. It combines advanced process technology with state-of-the-art circuit design to deliver superior audio signal amplification. The LME49860 is suitable for a wide range of audio applications, including high-fidelity preamplifiers, line drivers, and professional audio systems.
Key Specifications
| Parameter | Conditions | Typical | Limit |
|---|---|---|---|
| Power Supply Voltage Range | ±2.5V to ±22V | - | - |
| Total Harmonic Distortion + Noise (THD+N) | AV = 1, VOUT = 3VRMS, fIN = 1kHz, RL = 2kΩ | 0.00003% | 0.00009% |
| Input Noise Density | - | 2.7 nV/√Hz | - |
| Slew Rate | - | ±20V/μs | - |
| Input Bias Current | - | 10nA | - |
| Input Offset Voltage | - | 0.1mV | - |
| Common Mode Rejection Ratio (CMRR) | - | 120dB | - |
| Power Supply Rejection Ratio (PSRR) | - | 120dB | - |
| Output Current Capability | - | ±26mA | - |
| Gain Bandwidth Product | - | 55MHz | - |
| Package Types | - | 8-lead narrow body SOIC, 8-lead PDIP | - |
Key Features
- Easily drives 600Ω loads with minimal distortion.
- Optimized for superior audio signal fidelity with ultra-low THD+N (0.00003%).
- High slew rate of ±20V/μs and output current capability of ±26mA.
- Excellent CMRR and PSRR exceeding 120dB.
- Low input bias current (10nA) and input offset voltage (0.1mV).
- Unity gain stable and capable of driving complex loads up to 100pF.
- Wide supply range of ±2.5V to ±22V.
- Available in 8-lead narrow body SOIC and 8-lead PDIP packages.
Applications
- Ultra-high quality audio amplification.
- High-fidelity preamplifiers.
- High-fidelity multimedia systems.
- State-of-the-art phono preamps.
- High-performance professional audio systems.
- High-fidelity equalization and crossover networks.
- High-performance line drivers and receivers.
- High-fidelity active filters.
Q & A
- What is the power supply voltage range of the LME49860MAX/NOPB?
The power supply voltage range is ±2.5V to ±22V.
- What is the typical total harmonic distortion + noise (THD+N) of the LME49860MAX/NOPB?
The typical THD+N is 0.00003% at AV = 1, VOUT = 3VRMS, fIN = 1kHz, and RL = 2kΩ.
- What is the input noise density of the LME49860MAX/NOPB?
The input noise density is 2.7 nV/√Hz.
- What is the slew rate of the LME49860MAX/NOPB?
The slew rate is ±20V/μs.
- What are the typical input bias current and input offset voltage of the LME49860MAX/NOPB?
The typical input bias current is 10nA, and the typical input offset voltage is 0.1mV.
- What are the CMRR and PSRR of the LME49860MAX/NOPB?
Both the CMRR and PSRR exceed 120dB.
- What is the output current capability of the LME49860MAX/NOPB?
The output current capability is ±26mA.
- What is the gain bandwidth product of the LME49860MAX/NOPB?
The gain bandwidth product is 55MHz.
- In what packages is the LME49860MAX/NOPB available?
The device is available in 8-lead narrow body SOIC and 8-lead PDIP packages.
- What are some typical applications of the LME49860MAX/NOPB?
Typical applications include ultra-high quality audio amplification, high-fidelity preamplifiers, high-fidelity multimedia systems, state-of-the-art phono preamps, and high-performance professional audio systems.
