Overview
The SA5534DR, produced by Texas Instruments, is a high-performance operational amplifier known for its excellent DC and AC characteristics. This device is particularly renowned for its low noise, high output-drive capability, and high unity-gain bandwidth, making it suitable for a variety of applications requiring precision and reliability.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Equivalent Input Noise Voltage | 3.5 nV/√Hz | nV/√Hz |
| Unity-Gain Bandwidth | 10 MHz | MHz |
| Common-Mode Rejection Ratio (CMRR) | 100 dB | dB |
| Output Swing | ±12 V | V |
| Supply Voltage Range | ±5 to ±15 V | V |
| Operating Temperature Range | –40°C to 85°C | °C |
| Slew Rate | 13 V/μs | V/μs |
| Input Offset Voltage | 0.5 mV | mV |
| Input Bias Current | 500 nA | nA |
| Total Supply Current | 4 to 8 mA | mA |
Key Features
- Low Noise: The SA5534DR features an equivalent input noise voltage of 3.5 nV/√Hz, making it ideal for applications requiring low noise levels.
- High Unity-Gain Bandwidth: With a unity-gain bandwidth of 10 MHz, this amplifier is suitable for high-frequency applications.
- High Output Drive Capability: The device can drive loads with high output swing capabilities.
- High CMRR: A common-mode rejection ratio of 100 dB ensures good rejection of common-mode signals.
- Offset-Voltage Null Capability: The amplifier 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: The low noise and high bandwidth make it suitable for audio preamplifier applications.
- Medical Equipment: Used in medical devices due to its high performance and reliability.
- Servo Error Amplifiers: Ideal for servo systems requiring precise control.
- Telephone Channel Amplifiers: Suitable for telecommunications applications.
Q & A
- What is the typical equivalent input noise voltage of the SA5534DR?
The typical equivalent input noise voltage is 3.5 nV/√Hz. - What is the unity-gain bandwidth of the SA5534DR?
The unity-gain bandwidth is 10 MHz. - What is the common-mode rejection ratio (CMRR) of the SA5534DR?
The CMRR is 100 dB. - What is the output swing capability of the SA5534DR?
The output swing is ±12 V. - What is the operating temperature range of the SA5534DR?
The operating temperature range is –40°C to 85°C. - Does the SA5534DR have built-in protection features?
Yes, it includes input protection diodes and output short-circuit protection. - Can the SA5534DR be used in audio applications?
Yes, it is suitable for audio preamplifier applications due to its low noise and high bandwidth. - How do you adjust the offset voltage in the SA5534DR?
The offset voltage can be adjusted using the BALANCE and COMP/BAL pins. - What is the slew rate of the SA5534DR?
The slew rate is 13 V/μs. - What is the total supply current of the SA5534DR?
The total supply current is 4 to 8 mA.
