Overview
The OPA551FA/500G3 is a high-performance operational amplifier produced by Texas Instruments. This device is part of the OPA551 series, known for its high-voltage (60V) and high-current (200mA) capabilities. The OPA551FA/500G3 is specifically packaged in a DDPAK/TO-263-7 surface-mount plastic power package, making it suitable for applications requiring high power and compact design.
The OPA551 is unity-gain stable, featuring a high slew rate of 15 V/µs and a wide bandwidth of 3 MHz. It is designed to provide excellent low-level accuracy along with high output swing, making it ideal for various applications such as telephony, audio, servo, and test equipment.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage | V+ to V– | 60 | V | ||
| Operating Temperature Range | -40 | 125 | °C | ||
| Output Current | Continuous | 200 | mA | ||
| Input Offset Voltage | VCM = 0V, IO = 0 | ±1 | ±3 | ±5 | mV |
| Input Bias Current | ±20 | ±100 | pA | ||
| Input Voltage Noise Density | f = 1 kHz | 14 | nV/√Hz | ||
| Slew Rate | G = 1 | 15 | V/µs | ||
| Bandwidth | G = 1 | 3 | MHz | ||
| Quiescent Current per Channel | 7 | 8.5 | mA | ||
| CMRR (Typical) | 102 | dB |
Key Features
- Wide Supply Range: The OPA551FA/500G3 operates over a wide supply range of ±4 V to ±30 V.
- High Output Current: Capable of delivering a continuous output current of 200 mA.
- Low Noise: Features an input voltage noise density of 14 nV/√Hz at 1 kHz.
- Thermal Protection: Internally protected against overtemperature conditions with thermal shutdown and thermal shutdown indicator.
- Output Current Limiting: Protected against current overloads.
- Wide Output Swing: Can swing to within 2 V of the supply rails.
- High Slew Rate and Bandwidth: Offers a slew rate of 15 V/µs and a bandwidth of 3 MHz.
- Compact Packaging: Available in a DDPAK/TO-263-7 surface-mount package.
Applications
The OPA551FA/500G3 is suitable for a variety of applications due to its high performance and robust features. Some of the key application areas include:
- Telephony: Used in telecommunication systems for signal amplification and processing.
- Audio: Ideal for audio equipment requiring high fidelity and low noise.
- Servo Systems: Used in servo control systems that demand high accuracy and stability.
- Test Equipment: Employed in various test and measurement instruments for precise signal amplification.
Q & A
- What is the maximum supply voltage for the OPA551FA/500G3?
The maximum supply voltage is 60V (±30V).
- What is the continuous output current capability of the OPA551FA/500G3?
The device can deliver a continuous output current of 200 mA.
- What is the typical slew rate of the OPA551FA/500G3?
The typical slew rate is 15 V/µs.
- What is the bandwidth of the OPA551FA/500G3?
The bandwidth is 3 MHz.
- Does the OPA551FA/500G3 have thermal protection features?
Yes, it has internal thermal shutdown and thermal shutdown indicator.
- What are the typical operating temperature ranges for the OPA551FA/500G3?
The operating temperature range is -40°C to +125°C.
- What is the input voltage noise density of the OPA551FA/500G3 at 1 kHz?
The input voltage noise density is 14 nV/√Hz at 1 kHz.
- What types of applications is the OPA551FA/500G3 suitable for?
It is suitable for telephony, audio, servo systems, and test equipment.
- What package type is the OPA551FA/500G3 available in?
The device is available in a DDPAK/TO-263-7 surface-mount package.
- What is the CMRR (Common Mode Rejection Ratio) of the OPA551FA/500G3?
The typical CMRR is 102 dB.
