Overview
The LM4562NA/NOPB is a high-performance, high-fidelity dual audio operational amplifier produced by Texas Instruments. It is part of the ultra-low distortion, low-noise, high-slew-rate operational amplifier series, optimized and fully specified for high-performance, high-fidelity applications. The LM4562 delivers superior audio signal amplification, combining extremely low voltage noise density (2.7nV/√Hz) with vanishingly low THD+N (0.00003%) to satisfy the most demanding audio applications.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Power Supply Voltage Range | ±2.5V to ±17V | |
| THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz) | 0.00003% (typ) | RL = 2kΩ, RL = 600Ω |
| Input Noise Density | 2.7nV/√Hz (typ) | |
| Slew Rate | ±20V/μs (typ) | |
| Gain Bandwidth Product | 55MHz (typ) | |
| Open Loop Gain (RL = 600Ω) | 140dB (typ) | |
| Input Bias Current | 10nA (typ) | |
| Input Offset Voltage | 0.1mV (typ) | |
| CMRR | 120dB (typ) | |
| PSRR | 120dB (typ) | |
| Operating Temperature Range | -40°C to 85°C | |
| Package Types | SOIC, PDIP, TO-99 |
Key Features
- Easily drives 600Ω loads
- Optimized for superior audio signal fidelity
- Output short circuit protection
- PSRR and CMRR exceed 120dB (typ)
- Available in SOIC, PDIP, and TO-99 packages
- High slew rate of ±20V/μs and output current capability of ±26mA
- Unity gain stable
- Excellent operational amplifier DC performance with low input bias current and high common-mode and power supply rejection
Applications
- Ultra high-quality audio amplification
- High-fidelity preamplifiers
- High-performance professional audio equipment
- High-fidelity active equalization and crossover networks
- High-performance line drivers and receivers
Q & A
- What is the typical THD+N of the LM4562NA/NOPB?
The typical THD+N of the LM4562NA/NOPB is 0.00003% at AV = 1, VOUT = 3VRMS, fIN = 1kHz, and RL = 2kΩ or 600Ω.
- What is the input noise density of the LM4562NA/NOPB?
The input noise density of the LM4562NA/NOPB is 2.7nV/√Hz (typ).
- What is the slew rate of the LM4562NA/NOPB?
The slew rate of the LM4562NA/NOPB is ±20V/μs (typ).
- What are the package options for the LM4562NA/NOPB?
The LM4562NA/NOPB is available in SOIC, PDIP, and TO-99 packages.
- What is the operating temperature range of the LM4562NA/NOPB?
The operating temperature range of the LM4562NA/NOPB is -40°C to 85°C.
- Does the LM4562NA/NOPB have output short circuit protection?
Yes, the LM4562NA/NOPB has output short circuit protection.
- What are the typical CMRR and PSRR values of the LM4562NA/NOPB?
The typical CMRR and PSRR values of the LM4562NA/NOPB are both 120dB.
- What is the gain bandwidth product of the LM4562NA/NOPB?
The gain bandwidth product of the LM4562NA/NOPB is 55MHz (typ).
- Is the LM4562NA/NOPB unity gain stable?
Yes, the LM4562NA/NOPB is unity gain stable.
- What are some common applications of the LM4562NA/NOPB?
Common applications include ultra high-quality audio amplification, high-fidelity preamplifiers, high-performance professional audio equipment, and high-fidelity active equalization and crossover networks.
