Overview
The SA5534ADR 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 wide range of applications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Unity-Gain Bandwidth | 10 MHz | |
| Common-Mode Rejection Ratio (CMRR) | 100 dB | |
| Equivalent Input Noise Voltage | 3.5 nV/√Hz | |
| Input Offset Voltage | 0.5 mV | |
| Input Offset Current | 20 nA | |
| Supply Voltage Range | ±5 to ±15 V | |
| Operating Temperature Range | –40°C to 85°C | |
| Total Supply Current | 4 to 8 mA | |
| Output Short-Circuit Current | 38 mA | |
| Slew Rate | 13 V/μs |
Key Features
- Low Noise: The SA5534ADR features an equivalent input noise voltage of 3.5 nV/√Hz, making it suitable for applications requiring low noise levels.
- High Output-Drive Capability: The device can drive loads with high current demands.
- High Unity-Gain Bandwidth: With a unity-gain bandwidth of 10 MHz, it is ideal for high-frequency applications.
- High Common-Mode Rejection Ratio (CMRR): A CMRR of 100 dB ensures good rejection of common-mode signals.
- Offset-Voltage Nulling Capability: The device includes pins for external offset voltage adjustment.
- External Frequency Compensation: Allows for optimization of the frequency response using an external compensation capacitor.
- Input-Protection Diodes and Output Short-Circuit Protection: Built-in protection features enhance the device's reliability.
Applications
- Audio Preamplifiers: Suitable for audio applications due to its low noise and high fidelity.
- Servo Error Amplifiers: Used in servo systems for precise control.
- Medical Equipment: Applicable in medical devices requiring high precision and low noise.
- Telephone Channel Amplifiers: Ideal for telecommunications due to its high CMRR and low noise.
Q & A
- What is the typical unity-gain bandwidth of the SA5534ADR?
The typical unity-gain bandwidth is 10 MHz. - What is the common-mode rejection ratio (CMRR) of the SA5534ADR?
The CMRR is 100 dB. - What is the equivalent input noise voltage of the SA5534ADR?
The equivalent input noise voltage is 3.5 nV/√Hz. - What is the operating temperature range of the SA5534ADR?
The operating temperature range is –40°C to 85°C. - Can the SA5534ADR be used in single-supply or dual-supply configurations?
Yes, it can be used in both single-supply and dual-supply configurations. - What is the maximum output short-circuit current of the SA5534ADR?
The maximum output short-circuit current is 38 mA. - How do I optimize the frequency response of the SA5534ADR?
You can optimize the frequency response by using an external compensation capacitor between the COMP and COMP/BAL pins. - What is the typical slew rate of the SA5534ADR?
The typical slew rate is 13 V/μs. - What are the recommended supply voltage ranges for the SA5534ADR?
The recommended supply voltage ranges are ±5 to ±15 V. - Does the SA5534ADR have built-in protection features?
Yes, it includes input-protection diodes and output short-circuit protection.
