Overview
The LM4562MAX/NOPB is a high-performance, high-fidelity dual 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 with extremely low voltage noise density and vanishingly low total harmonic distortion plus noise (THD+N), making it ideal for demanding audio applications.
Key Specifications
| Parameter | Conditions | Typical | Limit |
|---|---|---|---|
| Power Supply Voltage Range | ±2.5V to ±17V | - | - |
| THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz) | RL = 2kΩ | 0.00003% | 0.00009% |
| THD+N (AV = 1, VOUT = 3VRMS, fIN = 1kHz) | RL = 600Ω | 0.00003% | 0.00009% |
| Input Noise Density | - | 2.7nV/√Hz | - |
| Slew Rate | - | ±20V/μs | - |
| Gain Bandwidth Product | - | 55MHz | - |
| Open Loop Gain (RL = 600Ω) | - | 140dB | - |
| Input Bias Current | VCM = 0V | 10nA | 72nA |
| Input Offset Voltage | - | 0.1mV | - |
| CMRR | -10V < Vcm < 10V | 120dB | 110dB |
| PSRR | - | 120dB | 110dB |
| Output Current (RL = 600Ω, VS = ±17V) | - | ±26mA | ±23mA |
| Operating Temperature Range | - | -40°C to 85°C | - |
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.
- Low voltage noise density of 2.7nV/√Hz and low THD+N of 0.00003%.
- Unity gain stable and capable of driving complex loads up to 100pF.
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 LM4562?
The typical THD+N of the LM4562 is 0.00003% for both RL = 2kΩ and RL = 600Ω at AV = 1, VOUT = 3VRMS, and fIN = 1kHz.
- What is the input noise density of the LM4562?
The input noise density of the LM4562 is 2.7nV/√Hz.
- What is the slew rate of the LM4562?
The slew rate of the LM4562 is ±20V/μs.
- What is the gain bandwidth product of the LM4562?
The gain bandwidth product of the LM4562 is 55MHz.
- What are the available packages for the LM4562?
The LM4562 is available in SOIC, PDIP, and TO-99 packages.
- What is the operating temperature range of the LM4562?
The operating temperature range of the LM4562 is -40°C to 85°C.
- What is the power supply voltage range for the LM4562?
The power supply voltage range for the LM4562 is ±2.5V to ±17V.
- Does the LM4562 have output short circuit protection?
Yes, the LM4562 has output short circuit protection.
- What are some common applications of the LM4562?
The LM4562 is commonly used in ultra high-quality audio amplification, high-fidelity preamplifiers, high-performance professional audio equipment, high-fidelity active equalization and crossover networks, and high-performance line drivers and receivers.
- Is the LM4562 unity gain stable?
Yes, the LM4562 is unity gain stable.
