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BUF634U/2K5
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Product Detailed Parameters
- Description：IC BUFFER 1 CIRCUIT 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Buffer
- Number of Circuits：1
- Output Type：-
- Slew Rate：2000V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：5 µA
- Voltage - Input Offset：30 mV
- Current - Supply：15mA
- Current - Output / Channel：250 mA
- Voltage - Supply Span (Min)：4.5 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- -3db Bandwidth：180 MHz
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Overview
The BUF634U/2K5 is a high-speed buffer amplifier manufactured by Texas Instruments, featuring a 250 mA output current capability. It operates within a supply voltage range of ±2.25 V to ±18 V and supports a bandwidth of 180 MHz with a slew rate of 2000 V/µs. The device utilizes an 8-pin SOIC package and functions across an operating temperature range from -40 °C to 125 °C.
Feature Summary
- Provides high-speed buffering with significant output drive capability for demanding signal applications.
- Features adjustable bandwidth characteristics through external resistor configuration between specific pins.
- Designed for stable operation with capacitive loads while maintaining signal integrity.
Applications
- Driving high-capacitance transmission lines in video systems
- Acting as a feedback element in precision operational amplifier circuits
- Providing isolation buffers for high-frequency signal processing
Procurement Notes
Verify the exact suffix 'U/2K5' against official Texas Instruments documentation to confirm the specific reel quantity and tape-and-reel specifications. Ensure the component matches the standard SOIC-8 footprint and lead finish requirements for your assembly process. Cross-reference the manufacturer date code and RoHS compliance status with the latest datasheet revisions before finalizing procurement orders.
Selection Notes
Select this component when a single-channel buffer requires 250 mA drive strength and 180 MHz bandwidth. It is suitable for designs needing wide supply voltage flexibility and high slew rates. Consider the SOIC-8 package constraints and thermal dissipation capabilities relative to the PCB layout and ambient operating conditions.
Part Context
This part belongs to the BUF634 family of high-speed buffer amplifiers originally developed by Burr-Brown and now produced by Texas Instruments. The family includes variants like the BUF634A with enhanced performance metrics. The U/2K5 designation specifically indicates the surface-mount SOIC package variant supplied in a specific reel quantity format.
Replacement Considerations
The BUF634A series offers upgraded versions with higher bandwidth and slew rate specifications. Verify pin compatibility and electrical parameter overlaps before substituting with other high-speed buffer models from different manufacturers.
