Overview
The OPA561PWP/2K is a low-cost, high-current operational amplifier designed by Texas Instruments. This monolithic integrated circuit is capable of driving up to 1.2-A pulses into reactive loads, making it highly reliable in demanding applications such as line-carrier communications, laser diode drivers, and motor-control systems. The amplifier offers a high slew rate, providing 1 MHz of full-power bandwidth and excellent linearity, ensuring high performance across various operational conditions.
Key Specifications
| Specification | Value |
|---|---|
| Output Current | Up to 1.2 A |
| Output Voltage | 12 V PP |
| Supply Voltage (Single) | 7 V to 15 V |
| Supply Voltage (Dual) | ±3.5 V to ±7.5 V |
| Gain-Bandwidth Product | 17 MHz |
| Slew Rate | 50 V/µs |
| Full-Power Bandwidth | 1 MHz |
| Package Type | HTSSOP-20 PowerPAD |
| Operating Temperature Range | 0°C to 125°C |
| Pins | 20 |
| Package Quantity | Carrier 2,000 (LARGE T&R) |
Key Features
- High output current capability of up to 1.2 A
- Wide power range with single supply (7 V to 15 V) and dual supply (±3.5 V to ±7.5 V) options
- Fully protected with thermal shutdown and adjustable current limit
- Output disable control through the enable and status (E/S) pin
- High slew rate of 50 V/µs and 1 MHz full-power bandwidth
- Thermally enhanced HTSSOP-20 PowerPAD integrated circuit package
- Adjustable current limit from 0.2 A to 1.2 A using a low-power resistor, potentiometer, or DAC
Applications
The OPA561PWP/2K is designed for use in various demanding applications, including:
- Line-carrier communications
- Laser diode drivers
- Motor-control systems
Q & A
- What is the maximum output current of the OPA561PWP/2K?
The OPA561PWP/2K can drive up to 1.2-A pulses into reactive loads. - What are the supply voltage ranges for the OPA561PWP/2K?
The amplifier can operate from a single supply of 7 V to 15 V or dual power supplies of ±3.5 V to ±7.5 V. - What is the gain-bandwidth product of the OPA561PWP/2K?
The gain-bandwidth product is 17 MHz. - What is the slew rate of the OPA561PWP/2K?
The slew rate is 50 V/µs. - What is the full-power bandwidth of the OPA561PWP/2K?
The full-power bandwidth is 1 MHz. - How is the output current limit adjusted on the OPA561PWP/2K?
The current limit can be adjusted from 0.2 A to 1.2 A using a low-power resistor, potentiometer, or DAC. - What is the purpose of the enable and status (E/S) pin on the OPA561PWP/2K?
The E/S pin can be monitored to determine if the device is in thermal shutdown (active low) and can also be forced low to disable the output. - What is the operating temperature range of the OPA561PWP/2K?
The operating temperature range is 0°C to 125°C. - What type of package does the OPA561PWP/2K come in?
The OPA561PWP/2K is available in a thermally enhanced HTSSOP-20 PowerPAD integrated circuit package. - What are some common applications for the OPA561PWP/2K?
Common applications include line-carrier communications, laser diode drivers, and motor-control systems.
