Overview
The Texas Instruments OPA551PA is a high-voltage, high-current operational amplifier designed to meet the demands of applications requiring high output drive capability. This device is part of the OPA551 series, known for its wide supply range, low input bias current, and excellent dynamic response. The OPA551PA is particularly suited for driving low impedance and difficult loads, making it ideal for various industrial, automotive, and aerospace applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Brand | Texas Instruments | |
| Amplifier Type | Power | |
| Mounting Type | Through Hole | |
| Package Type | PDIP | |
| Power Supply Type | Dual | |
| Number of Channels per Chip | 1 | |
| Pin Count | 8 | |
| Typical Gain Bandwidth Product | 3 MHz | |
| Typical Dual Supply Voltage | ±30 V | |
| Typical Slew Rate | 15 V/µs | |
| Minimum Operating Temperature | -40 °C | |
| Maximum Operating Temperature | +125 °C | |
| Rail to Rail | No | |
| Typical Voltage Gain | 126 dB | |
| Typical Input Voltage Noise Density | 14 nV/√Hz | |
| Height | 4.57 mm | |
| Dimensions | 9.81 x 6.35 x 4.57 mm | |
| Length | 9.81 mm | |
| Width | 6.35 mm |
Key Features
- High-voltage, high-current operational amplifier
- Wide supply range: ±4 V to ±30 V
- Low input bias current
- Excellent dynamic response
- High output drive capability: up to 200 mA continuous
- High slew rate: 15 V/µs
- Low distortion: <0.01%
- Fully protected: thermal shutdown, output current-limited, thermal shutdown indicator
- Wide output swing: 2 V from rail
- Available in PDIP-8, SOIC-8, and DDPAK-7 packages
Applications
- Driving MOSFETs and power transistors
- Bridge amplifiers
- Motor speed controllers
- Servo amplifiers
- Power supplies
- Voltage regulators
- Signal conditioning circuits
- Telephony
- Test equipment
- Audio amplifiers
- Transducer excitation
- Servo drivers
Q & A
- What is the typical gain bandwidth product of the OPA551PA?
The typical gain bandwidth product of the OPA551PA is 3 MHz.
- What is the maximum operating temperature of the OPA551PA?
The maximum operating temperature of the OPA551PA is +125 °C.
- What is the typical slew rate of the OPA551PA?
The typical slew rate of the OPA551PA is 15 V/µs.
- What is the maximum output current of the OPA551PA?
The maximum output current of the OPA551PA is 200 mA continuous.
- What are the available package types for the OPA551PA?
The OPA551PA is available in PDIP-8, SOIC-8, and DDPAK-7 packages.
- What is the typical input voltage noise density of the OPA551PA?
The typical input voltage noise density of the OPA551PA is 14 nV/√Hz.
- Is the OPA551PA rail-to-rail?
No, the OPA551PA is not rail-to-rail.[
- What are some common applications of the OPA551PA?
Common applications include driving MOSFETs and power transistors, bridge amplifiers, motor speed controllers, servo amplifiers, power supplies, and signal conditioning circuits.
- What is the minimum operating temperature of the OPA551PA?
The minimum operating temperature of the OPA551PA is -40 °C.
- Does the OPA551PA have thermal protection features?
