Overview
The BUF634F/500 is a high-speed, unity-gain, open-loop buffer amplifier produced by Texas Instruments. This device is designed for a wide range of applications, particularly where high output current and fast slew rates are required. It operates with a low quiescent current, making it suitable for both high-performance and low-power applications. The BUF634F/500 is available in the TO-263 (D2PAK) package, which is ideal for surface-mount applications and offers good thermal dissipation characteristics.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Part Number | BUF634F/500 | |
| Package Type | TO-263 (D2PAK) | |
| No. of Terminals | 5 | |
| Supply Voltage Range | ±2.25V to ±18V | V |
| Quiescent Current | 1.5 mA (low BW), 20 mA (wide BW) | mA |
| Output Current | ±250 mA | mA |
| Slew Rate | 2000 V/µs | V/µs |
| Bandwidth | 30 MHz to 180 MHz | MHz |
| Maximum Operating Temperature | 125 °C (257 °F) | °C (°F) |
| Minimum Operating Temperature | -40 °C (-40 °F) | °C (°F) |
| Internal Current Limit | Approximately ±350 mA | mA |
| Thermal Shutdown Temperature | 175 °C | °C |
Key Features
- High output current: up to ±250 mA
- High slew rate: 2000 V/µs
- Pin-selected bandwidth: adjustable from 30 MHz to 180 MHz
- Low quiescent current: 1.5 mA in low bandwidth mode
- Wide supply voltage range: ±2.25V to ±18V
- Internal current limit and thermal shutdown protection for rugged operation
- Available in TO-263 (D2PAK) surface-mount package for good thermal dissipation
Applications
- Line drivers
- Headphone drivers
- Video drivers
- Motor drivers
- Test equipment and ATE pin drivers
- Valve and solenoid drivers
- Op-amp current boosters to increase output current and improve capacitive load drive
Q & A
- What is the BUF634F/500 used for? The BUF634F/500 is a high-speed buffer amplifier used in various applications requiring high output current and fast slew rates.
- What is the maximum output current of the BUF634F/500? The maximum output current is ±250 mA.
- What is the slew rate of the BUF634F/500? The slew rate is 2000 V/µs.
- What is the bandwidth range of the BUF634F/500? The bandwidth can be adjusted from 30 MHz to 180 MHz.
- What is the quiescent current of the BUF634F/500 in low bandwidth mode? The quiescent current in low bandwidth mode is 1.5 mA.
- What is the supply voltage range for the BUF634F/500? The supply voltage range is ±2.25V to ±18V.
- Does the BUF634F/500 have internal protection features? Yes, it has internal current limit and thermal shutdown protection.
- In what package is the BUF634F/500 available? It is available in the TO-263 (D2PAK) surface-mount package.
- What are some common applications of the BUF634F/500? Common applications include line drivers, headphone drivers, video drivers, motor drivers, and test equipment.
- Can the BUF634F/500 be used to boost the output current of op-amps? Yes, it can be used inside the feedback loop of op-amps to increase output current and improve capacitive load drive.
