THS789PFD

Basic Information Overview

Category: Integrated Circuit (IC)
Use: Amplifier
Characteristics: High performance, low noise, wide bandwidth
Package: PFD (Plastic Flat Dual)
Essence: Audio amplifier
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications and Parameters

Supply Voltage: 5V to 15V
Input Voltage Range: ±1.5V
Output Power: 2W
Total Harmonic Distortion (THD): <0.01%
Signal-to-Noise Ratio (SNR): >100dB
Bandwidth: 20Hz to 20kHz
Operating Temperature Range: -40°C to +85°C

Detailed and Complete Pin Configuration

The THS789PFD has a total of 16 pins. The pin configuration is as follows:

VCC+
IN-
IN+
GND
OUT
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
VCC-

Functional Characteristics

High gain and low distortion
Wide input voltage range
Excellent power supply rejection ratio
Thermal and short-circuit protection
Low quiescent current

Advantages and Disadvantages

Advantages: - High performance audio amplification - Low noise and distortion - Wide operating temperature range - Compact package size

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external components for proper operation

Applicable Range of Products

The THS789PFD is suitable for various audio applications, including: - Portable audio devices - Home theater systems - Car audio systems - Professional audio equipment

Working Principles

The THS789PFD is a class AB audio amplifier that amplifies low-level audio signals to drive speakers or headphones. It operates by receiving an input voltage signal, amplifying it with high gain and low distortion, and delivering the amplified signal to the output.

Detailed Application Field Plans

Portable Audio Devices:
- Use the THS789PFD to enhance the audio quality of portable music players and smartphones.
- Provide clear and powerful sound output for headphones or small speakers.
Home Theater Systems:
- Utilize the THS789PFD in home theater receivers or amplifiers to deliver immersive audio experiences.
- Drive multiple speakers with high fidelity and minimal distortion.
Car Audio Systems:
- Incorporate the THS789PFD in car stereo amplifiers to improve the audio performance in vehicles.
- Enhance the sound quality of car speakers and subwoofers.
Professional Audio Equipment:
- Integrate the THS789PFD into professional audio mixers, amplifiers, or recording equipment.
- Achieve accurate and high-quality audio reproduction for studio recordings or live performances.

Detailed Alternative Models

THS788PFD: Similar to THS789PFD but with lower output power (1W).
THS790PFD: Higher power version of THS789PFD (5W).
THS787PFD: Lower cost alternative with slightly reduced performance specifications.
THS786PFD: Compact version with reduced pin count and simplified features.
THS785PFD: Ultra-low power variant for battery-powered applications.

5 Common Technical Questions and Answers

Q: What is the maximum supply voltage for THS789PFD? A: The THS789PFD can handle a maximum supply voltage of 15V.
Q: Can I use THS789PFD in a single-ended audio system? A: Yes, the THS789PFD supports both single-ended and differential input configurations.
Q: Does THS789PFD require external heat sinks? A: No, the THS789PFD has built-in thermal protection and does not require external heat sinks under normal operating conditions.
Q: What is the recommended PCB layout for THS789PFD? A: It is recommended to follow the manufacturer's guidelines for proper PCB layout, including proper grounding and decoupling techniques.
Q: Can THS789PFD drive low-impedance speakers? A: Yes, the THS789PFD is capable of driving low-impedance speakers down to 4 ohms.

This encyclopedia entry provides an overview of the THS789PFD audio amplifier, including its basic information, specifications, pin configuration, functional characteristics, advantages and disadvantages, applicable range of products, working principles, detailed application field plans, alternative models,