Overview
The NE5534ADRG4 is a high-performance, low-noise operational amplifier produced by Texas Instruments. It is part of the NE5534 and SA5534 family, known for their excellent DC and AC characteristics. These operational amplifiers are designed to offer very low noise, high output-drive capability, and high unity-gain and maximum-output-swing bandwidths, making them suitable for a variety of applications including audio preamplifiers, servo error amplifiers, medical equipment, and telephone channel amplifiers.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Offset Voltage | 0.5 | 4 | 5 | mV |
| Input Offset Current | 20 | 300 | 400 | nA |
| Input Bias Current | 500 | 1500 | 2000 | nA |
| Common-Mode Input-Voltage Range | ±12 | ±13 | V | |
| Unity-Gain Bandwidth | 10 | MHz | ||
| Common-Mode Rejection Ratio (CMRR) | 70 | 100 | dB | |
| Supply Voltage | ±5 | ±15 | V | |
| Operating Free-Air Temperature | 0 | 70 | °C | |
| Output Short-Circuit Current | 38 | mA | ||
| Equivalent Input Noise Voltage | 2.5 | 3.5 | 4.5 | nV/√Hz |
Key Features
- Low Noise: The NE5534ADRG4 features an equivalent input noise voltage of 3.5 nV/√Hz, making it suitable for low-noise applications.
- High Output-Drive Capability: The device can drive loads with high current capability and maintains linearity over a wide output voltage range.
- High Unity-Gain Bandwidth: With a unity-gain bandwidth of 10 MHz, it is ideal for high-frequency applications.
- Internal Compensation: Internally compensated for gains equal to or greater than three, with the option for external compensation to optimize frequency response.
- Input Protection and Offset Nulling: Features input-protection diodes and offset-voltage nulling capability using the BALANCE and COMP/BAL pins.
- Output Short-Circuit Protection: Protected against short circuits to ground or either power supply.
Applications
- Audio Preamplifiers: Suitable for high-quality and professional audio equipment due to its low noise and high output-drive capability.
- Servo Error Amplifiers: Used in control circuits requiring high precision and stability.
- Medical Equipment: Applied in medical devices that require low noise and high reliability.
- Telephone Channel Amplifiers: Used in telecommunications for signal amplification and processing.
Q & A
- What is the typical unity-gain bandwidth of the NE5534ADRG4?
The typical unity-gain bandwidth is 10 MHz.
- What is the equivalent input noise voltage of the NE5534ADRG4?
The equivalent input noise voltage is typically 3.5 nV/√Hz.
- What is the common-mode rejection ratio (CMRR) of the NE5534ADRG4?
The CMRR is typically 100 dB.
- What are the recommended operating supply voltages for the NE5534ADRG4?
The device operates from ±5 V to ±15 V.
- What is the operating free-air temperature range for the NE5534ADRG4?
The operating free-air temperature range is from 0°C to 70°C.
- Does the NE5534ADRG4 have output short-circuit protection?
Yes, the device is protected against short circuits to ground or either power supply.
- How can the offset voltage of the NE5534ADRG4 be adjusted?
The offset voltage can be adjusted using the BALANCE and COMP/BAL pins.
- What types of applications are the NE5534ADRG4 commonly used in?
Common applications include audio preamplifiers, servo error amplifiers, medical equipment, and telephone channel amplifiers.
- Can the NE5534ADRG4 be used in single-supply or dual-supply configurations?
Yes, the device can be operated in both single-supply and dual-supply configurations.
- What is the maximum output short-circuit current of the NE5534ADRG4?
The maximum output short-circuit current is 38 mA.
