Overview
The LME49724MR from Texas Instruments is a high-performance, fully-differential audio operational amplifier designed to deliver superior audio signal fidelity. This amplifier combines advanced leading-edge process technology with state-of-the-art circuit design, making it ideal for high-fidelity audio applications. It features ultra-low distortion, low noise, and a high slew rate, ensuring outstanding audio performance even with demanding loads.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Power Supply Voltage Range | ±2.5V to ±18V | |
| THD+N | 0.00003% (typ) | RL = 2kΩ, AV = 1, VOUT = 3VRMS, fIN = 1kHz |
| Input Noise Density | 2.1nV/√Hz (typ) | |
| Slew Rate | ±18V/μs (typ) | |
| Gain Bandwidth Product | 50 MHz (typ) | |
| Open Loop Gain (RL = 600Ω) | 125 dB (typ) | |
| Input Bias Current | 60nA (typ) | |
| Input Offset Voltage | 0.2mV (typ) | |
| DC Gain Linearity Error | 0.000009% | |
| Output Current Capability | ±80mA | |
| Operating Temperature Range | -40°C to 85°C | |
| Package | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
Key Features
- Drives 600Ω loads with full output signal swing
- Optimized for superior audio signal fidelity
- Output short circuit protection
- PSRR and CMRR exceed 100dB (typ)
- Available in SO PowerPad package
- High slew rate of ±18V/μs and output current capability of ±80mA
- Wide supply range of ±2.5V to ±18V
- Unity gain stable
- Excellent common-mode and power supply rejection
Applications
- Ultra high quality audio amplification
- High fidelity preamplifiers and active filters
- Simple single-ended to differential conversion
- State of the art D-to-A converters and A-to-D input amplifiers
- Professional audio systems
- High fidelity equalization and crossover networks
- High performance line drivers and receivers
Q & A
- What is the power supply voltage range of the LME49724MR?
The power supply voltage range is ±2.5V to ±18V.
- What is the typical THD+N of the LME49724MR?
The typical THD+N is 0.00003% for RL = 2kΩ and RL = 600Ω.
- What is the slew rate of the LME49724MR?
The slew rate is ±18V/μs (typ).
- What is the gain bandwidth product of the LME49724MR?
The gain bandwidth product is 50 MHz (typ).
- What is the input noise density of the LME49724MR?
The input noise density is 2.1nV/√Hz (typ).
- What is the output current capability of the LME49724MR?
The output current capability is ±80mA.
- What are the key applications of the LME49724MR?
The key applications include ultra high quality audio amplification, high fidelity preamplifiers and active filters, professional audio systems, and more.
- Is the LME49724MR unity gain stable?
- What is the operating temperature range of the LME49724MR?
The operating temperature range is -40°C to 85°C.
- What package types are available for the LME49724MR?
The LME49724MR is available in an 8-SOIC (0.154", 3.90mm Width) Exposed Pad package.
