Overview
The OPA564AIDWP, produced by Texas Instruments, is a high-current operational amplifier designed for demanding applications requiring high output current and wide power-supply range. This device is ideal for driving up to 1.5A into reactive loads, making it suitable for powerline communications and motor control applications. The OPA564AIDWP operates from a single supply of 7V to 24V or dual power supplies of ±3.5V to ±12V, offering a wide output swing and high slew rate for excellent linearity and full-power bandwidth.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 7 | - | 24 | V (Single Supply) |
| Supply Voltage Range | ±3.5 | - | ±12 | V (Dual Supply) |
| Maximum Continuous Current | - | - | 1.5 | A |
| Gain-Bandwidth Product | - | - | 17 | MHz |
| Full-Power Bandwidth at 10VPP | - | - | 1.3 | MHz |
| Slew Rate | - | - | 40 | V/ms |
| Input Offset Voltage | ±2 | ±20 | - | mV |
| Quiescent Current | 39 | - | 50 | mA |
| Operating Temperature Range | -40 | - | 85 | °C |
Key Features
- High output current: 1.5A
- Wide power-supply range: Single supply from 7V to 24V, dual supply from ±3.5V to ±12V
- Large output swing: 20VPP at 1.5A
- Fully protected: Thermal shutdown, adjustable current limit, and diagnostic flags
- Output enable/shutdown control
- High speed: Gain-bandwidth product of 17MHz, full-power bandwidth of 1.3MHz at 10VPP, and slew rate of 40V/ms
- Thermally enhanced PowerPAD package (HSOP-20) with thermal pad on either the top or bottom side
Applications
- Powerline communications
- Motor control applications
- Automotive applications (for OPA564-Q1 variant)
- Other high-current, high-reliability applications requiring wide power-supply ranges and high linearity
Q & A
- What is the maximum output current of the OPA564AIDWP? The maximum output current is 1.5A.
- What is the operating voltage range for the OPA564AIDWP? The device operates from a single supply of 7V to 24V or dual power supplies of ±3.5V to ±12V.
- What is the gain-bandwidth product of the OPA564AIDWP? The gain-bandwidth product is 17MHz.
- What protection features does the OPA564AIDWP have? It has thermal shutdown, adjustable current limit, and diagnostic flags.
- What is the slew rate of the OPA564AIDWP? The slew rate is 40V/ms.
- What package options are available for the OPA564AIDWP? It is available in a thermally enhanced HSOP-20 PowerPAD package with the thermal pad on either the top or bottom side.
- What is the operating temperature range for the OPA564AIDWP? The operating temperature range is -40°C to +85°C.
- Can the OPA564AIDWP be used in automotive applications? While the OPA564AIDWP itself is not specifically qualified for automotive use, the OPA564-Q1 variant is AEC-Q100 qualified for such applications.
- How do I set the current limit on the OPA564AIDWP? The current limit can be set using the ISET pin (see the Applications Section in the datasheet for details).
- What is the purpose of the PowerPAD in the OPA564AIDWP package? The PowerPAD is internally connected to the power supply and is used for thermal management, enhancing heat dissipation.
