Overview
The LME49723MAX/NOPB is a dual high fidelity audio operational amplifier produced by Texas Instruments. This device is part of the ultra-low distortion, low noise, and high slew rate operational amplifier series, optimized for superior audio signal fidelity. It combines advanced process technology with state-of-the-art circuit design to deliver outstanding audio performance, making it suitable for high-performance, high-fidelity applications.
Key Specifications
| Parameter | Typical Value | Conditions |
|---|---|---|
| Power Supply Voltage Range | ±2.5V to ±17V | |
| Total Harmonic Distortion + Noise (THD+N) | 0.0002% (RL = 2kΩ), 0.0002% (RL = 600Ω) | AV = 1, VOUT = 3VRMS, fIN = 1kHz |
| Input Noise Density | 3.6 nV/√Hz | f = 1kHz |
| Slew Rate | ±8 V/μs | |
| Gain Bandwidth Product (GBWP) | 17 MHz | |
| Open Loop Gain | 105 dB (RL = 600Ω) | |
| Input Bias Current | 200 nA | |
| Input Offset Voltage (VOS) | 0.3 mV | |
| Common Mode Rejection Ratio (CMRR) | 100 dB | |
| Power Supply Rejection Ratio (PSRR) | 100 dB |
Key Features
- Easily drives 600Ω loads with minimal distortion.
- Optimized for superior audio signal fidelity with extremely low voltage noise density (3.6 nV/√Hz) and vanishingly low THD+N (0.0002%).
- High slew rate of ±20V/μs and output current capability of ±26mA.
- Output short circuit protection.
- Excellent CMRR (100 dB), PSRR (100 dB), and VOS (0.3 mV) for superior DC performance.
- Wide supply range of ±2.5V to ±17V.
- Available in an 8-lead narrow body SOIC package.
Applications
- High quality audio amplification.
- High fidelity preamplifiers.
- Phono pre-amps.
- 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 typical THD+N of the LME49723?
The typical THD+N is 0.0002% for both RL = 2kΩ and RL = 600Ω, with AV = 1, VOUT = 3VRMS, and fIN = 1kHz. - What is the input noise density of the LME49723?
The input noise density is 3.6 nV/√Hz at f = 1kHz. - What is the slew rate of the LME49723?
The slew rate is ±8 V/μs. - What is the gain bandwidth product of the LME49723?
The gain bandwidth product is 17 MHz. - What is the common mode rejection ratio (CMRR) of the LME49723?
The CMRR is 100 dB. - What is the power supply rejection ratio (PSRR) of the LME49723?
The PSRR is 100 dB. - What is the input offset voltage (VOS) of the LME49723?
The VOS is 0.3 mV. - What is the output current capability of the LME49723?
The output current capability is ±26mA. - What is the package type of the LME49723MAX/NOPB?
The package type is an 8-lead narrow body SOIC. - What is the operating temperature range of the LME49723?
The operating temperature range is –40°C to 85°C. - Does the LME49723 have output short circuit protection?
Yes, the LME49723 has output short circuit protection.
