BUF634U

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BUF634U

  • Manufacturer
  • Mfr. Part #BUF634U
  • Package
  • Datasheet
  • In Stock9515

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Specifications

Package Tube
ProductStatus Not For New Designs
AmplifierType Buffer
NumberofCircuits 1
SlewRate 2000V/µs
-3dbBandwidth 180 MHz
Current-InputBias 5 µA
Voltage-InputOffset 30 mV
Current-Supply 15mA
Current-Output/Channel 250 mA
Voltage-SupplySpan(Min) 4.5 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The BUF634U is a high-speed, high-current buffer amplifier designed for applications requiring fast signal processing and high output drive capability. It is commonly used in audio, video, and various high-frequency applications where maintaining signal integrity is crucial. The device can deliver up to 250 mA of output current and operates with a wide range of supply voltages, typically from ±2.25V to ±18V, making it versatile for different circuit requirements.
The BUF634U can be configured for either wide bandwidth or unity gain stability, offering flexibility based on the specific needs of the application. Additionally, it features low distortion and low noise performance, making it suitable for precision applications. The chip is available in various package options, including DIP, SOIC, and SOT-23, allowing for easy integration into different design footprints.
Overall, the BUF634U is valued for its robust performance in driving heavy loads while preserving signal fidelity, making it an essential component in demanding analog signal processing tasks.

Features

The BUF634U is a high-speed, unity-gain buffer amplifier produced by Texas Instruments. Key features include:
1. High Speed: It has a wide bandwidth and fast slew rate, making it suitable for driving large capacitive loads with minimal distortion.
2. Unity Gain: Operates effectively as a voltage follower, ensuring the output voltage closely tracks the input voltage.
3. Low Distortion: Provides low total harmonic distortion, ideal for high-fidelity audio and precision applications.
4. High Current Output: Capable of delivering significant output current, useful for driving low-impedance loads.
5. Wide Supply Range: Compatible with a broad range of supply voltages, enhancing versatility in different circuit designs.
6. Low Quiescent Current: Offers efficient power consumption, advantageous for battery-powered or low-power applications.
7. Thermal Protection: Includes built-in thermal shutdown to protect against overheating.
8. Package Options: Available in various package types, allowing flexibility in PCB design.
These features make the BUF634U suitable for applications in audio equipment, data acquisition systems, and other areas requiring high-speed, precise signal buffering.

Package

The BUF634U is available in a DIP-8 package. This package type is commonly used for integrated circuits and provides a compact, dual in-line configuration.

Pinout

The BUF634U is a high-speed, high-current buffer amplifier manufactured by Texas Instruments. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a concise description of its pin count and functions:
1. Pin 1 (V+): Positive supply voltage.
2. Pin 2 (NC): No connection.
3. Pin 3 (NC): No connection.
4. Pin 4 (Vin): Input voltage.
5. Pin 5 (Vout): Output voltage.
6. Pin 6 (BW-): Bandwidth control; connecting this pin to V- reduces bandwidth for lower quiescent current.
7. Pin 7 (V-): Negative supply voltage.
8. Pin 8 (NC): No connection.
The BUF634U is designed to provide high-speed buffering with a wide bandwidth, suitable for applications needing fast signal processing with minimal distortion. It can drive heavy loads, making it ideal for use in audio applications, active filters, and other high-current demands.

Manufacturer

The BUF634U is manufactured by Texas Instruments Incorporated. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are one of the largest semiconductor companies globally and focus on developing analog chips and embedded processors, among other electronic components. TI's products are widely used in various industries, including automotive, industrial, personal electronics, and communications equipment.

Application

The BUF634U is a high-speed, high-current buffer amplifier commonly used in applications requiring low distortion and high output drive capability. Key application areas include headphone amplifiers, DAC output buffering, line drivers, active filters, and high-speed signal processing. Its ability to drive heavy loads makes it suitable for interfacing with capacitive loads or long cables. Additionally, it's used in test equipment and instrumentation for buffering signals without loading the source.

Equivalent

Equivalent products to the BUF634U chip, which is a high-speed buffer amplifier, include:
1. LT1010 from Analog Devices
2. OPA633 from Texas Instruments
3. THS6022 from Texas Instruments
4. EL2001 from Intersil (Renesas)
5. TLE2301 from Texas Instruments
These alternatives vary in specific performance characteristics, so it is important to review their datasheets to ensure compatibility with your application.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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