Overview
The BUF634U/2K5, produced by Texas Instruments, is a high-speed, unity-gain, open-loop buffer designed for a wide range of applications. This device is particularly useful for increasing the output current of operational amplifiers, eliminating thermal feedback, and improving capacitive load drive. It operates with a low quiescent current of 1.5mA and offers a high output current of 250mA, making it suitable for low-power and high-performance applications. The BUF634U/2K5 is available in various packages, including SOIC-8, TO-220, and TO-263, to meet different mechanical and power-dissipation requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | ±2.25 to ±18 | V |
| Quiescent Current (Low Quiescent Current Mode) | 1.5 | mA |
| Output Current | 250 | mA |
| Slew Rate | 2000 | V/µs |
| Bandwidth | 30MHz to 180MHz | MHz |
| Operating Temperature Range | -40 to 125 | °C |
| Junction Temperature | 150 | °C |
| Thermal Shutdown Temperature | 175 | °C |
| ESD Rating (Human-Body Model) | ±2500 | V |
Key Features
- High output current: 250mA
- High slew rate: 2000V/µs
- Pin-selected bandwidth: 30MHz to 180MHz
- Low quiescent current: 1.5mA (30MHz bandwidth)
- Wide supply range: ±2.25V to ±18V
- Internal current limit and thermal shutdown protection
- Available in SOIC-8, TO-220, and TO-263 packages
Applications
- Valve driver
- Solenoid driver
- Op amp current booster
- Line driver
- Headphone driver
- Video driver
- Motor driver
- Test equipment
- ATE pin driver
Q & A
- What is the BUF634U/2K5 used for?
The BUF634U/2K5 is used to increase the output current of operational amplifiers, eliminate thermal feedback, and improve capacitive load drive in various high-speed applications.
- What are the key specifications of the BUF634U/2K5?
Key specifications include a supply voltage range of ±2.25V to ±18V, quiescent current of 1.5mA, output current of 250mA, slew rate of 2000V/µs, and bandwidth adjustable from 30MHz to 180MHz.
- What packages is the BUF634U/2K5 available in?
The BUF634U/2K5 is available in SOIC-8, TO-220, and TO-263 packages.
- What is the thermal shutdown temperature of the BUF634U/2K5?
The thermal shutdown temperature of the BUF634U/2K5 is 175°C.
- What is the ESD rating of the BUF634U/2K5?
The ESD rating of the BUF634U/2K5 is ±2500V for the human-body model.
- Can the bandwidth of the BUF634U/2K5 be adjusted?
- What are some common applications of the BUF634U/2K5?
- Is there a newer version of the BUF634U/2K5 available?
- What is the operating temperature range of the BUF634U/2K5?
- Does the BUF634U/2K5 have internal protection features?
