Overview
The LME49720MAX/NOPB, produced by Texas Instruments, is a dual high-performance, high-fidelity audio operational amplifier. This device is part of the ultra-low distortion, low noise, and high slew rate operational amplifier series, optimized and fully specified for high-performance, high-fidelity audio applications. It combines advanced leading-edge process technology with state-of-the-art circuit design to deliver superior audio signal amplification, making it ideal for demanding audio applications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Power Supply Voltage Range | ±2.5 to ±17 | V |
| Input Offset Voltage | 0.1 | mV |
| Input Bias Current | 10 | nA |
| Input Noise Density | 2.7 | nV/√Hz |
| Slew Rate | ±20 | V/μs |
| Gain Bandwidth Product | 55 | MHz |
| Open Loop Gain (RL = 600Ω) | 140 | dB |
| THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz, RL = 2kΩ) | 0.00003% | % |
| PSRR and CMRR | Exceed 120 | dB |
| Output Short Circuit Protection | Continuous | - |
| Packages Available | SOIC, PDIP, TO-99 Metal Can | - |
Key Features
- Optimized for superior audio signal fidelity
- Ultra-low distortion and low noise
- High slew rate: ±20V/μs (typ)
- High gain bandwidth product: 55MHz (typ)
- Output short circuit protection
- PSRR and CMRR exceed 120dB (typ)
- Easily drives 600Ω loads
- Available in SOIC, PDIP, and TO-99 Metal Can packages
Applications
- Ultra high quality audio amplification
- High fidelity preamplifiers
- High fidelity multimedia
- State of the art phono pre-amps
- High performance professional audio
- High fidelity equalization and crossover networks
- High performance line drivers and receivers
- High fidelity active filters
Q & A
- What is the typical input offset voltage of the LME49720?
The typical input offset voltage is 0.1mV.
- What is the slew rate of the LME49720?
The slew rate is ±20V/μs (typ).
- What are the available packages for the LME49720?
The LME49720 is available in SOIC, PDIP, and TO-99 Metal Can packages.
- What is the typical THD+N for the LME49720 at 1kHz and 3VRMS output?
The typical THD+N is 0.00003% at RL = 2kΩ.
- What is the power supply voltage range for the LME49720?
The power supply voltage range is ±2.5 to ±17V.
- Does the LME49720 have output short circuit protection?
- What are the typical PSRR and CMRR values for the LME49720?
The PSRR and CMRR exceed 120dB (typ).
- What is the gain bandwidth product of the LME49720?
The gain bandwidth product is 55MHz (typ).
- What is the input noise density of the LME49720?
The input noise density is 2.7nV/√Hz (typ).
- What are some common applications of the LME49720?
Common applications include ultra high quality audio amplification, high fidelity preamplifiers, high fidelity multimedia, and state of the art phono pre-amps.
