BUF634U/2K5

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics:
  • High-speed, low-distortion audio amplifier
  • Wide bandwidth and high slew rate
  • Low noise and distortion
• Package: TO-220-5L
• Essence: The BUF634U/2K5 is a high-performance audio amplifier IC designed for various audio applications.
• Packaging/Quantity: Available in tubes of 25 units.

Specifications

• Supply Voltage: ±2.5V to ±18V
• Input Voltage Range: ±VS
• Output Current: ±250mA
• Bandwidth: 180MHz
• Slew Rate: 1300V/µs
• Total Harmonic Distortion (THD): 0.0003%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The BUF634U/2K5 IC has a total of 5 pins arranged as follows:

____ IN+ | | OUT+ IN- | | OUT- VS- | | NC VS+ |____| GND

Functional Features

• High-speed voltage feedback amplifier
• Low output impedance
• Excellent linearity and dynamic range
• Stable operation with capacitive loads
• Short-circuit protection
• Thermal shutdown protection

Advantages

• High-quality audio amplification with low distortion
• Wide frequency response for accurate reproduction of audio signals
• Suitable for driving headphones, speakers, and other audio devices
• Robust design ensures reliable performance
• Protection features prevent damage to the IC and connected components

Disadvantages

• Requires external power supply and supporting circuitry
• Limited output current compared to dedicated power amplifiers

Working Principles

The BUF634U/2K5 operates as a voltage feedback amplifier, amplifying the input audio signal with high fidelity. It utilizes a high-speed operational amplifier architecture to achieve low distortion and wide bandwidth. The IC can be configured for various gain settings and is capable of driving both low and high impedance loads.

Detailed Application Field Plans

The BUF634U/2K5 is commonly used in the following applications:

1. Audio amplification in Hi-Fi systems
2. Headphone amplifiers
3. Professional audio equipment
4. Instrumentation amplifiers
5. Active filters and equalizers
6. Line drivers and buffers

Alternative Models

Other alternative models that offer similar functionality to the BUF634U/2K5 include:

1. OPA1612
2. AD8397
3. LM4562
4. NJM2068

These alternatives may have slightly different specifications and pin configurations but serve the same purpose of high-quality audio amplification.

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