TDA8947J/N3,112

Product Overview

The TDA8947J/N3,112 is a high-performance audio amplifier integrated circuit designed for use in various audio applications. This device belongs to the category of audio amplifiers and is commonly used in consumer electronics, automotive audio systems, and professional audio equipment. The TDA8947J/N3,112 is known for its high-quality sound reproduction, compact package, and versatile characteristics. It is typically available in a small outline package (SOP) and is sold individually or in bulk quantities.

Specifications

Power Supply Voltage: 8V to 18V
Output Power: 2 x 15W at 4 ohm, 10% THD+N
Total Harmonic Distortion + Noise (THD+N): 0.2%
Signal-to-Noise Ratio (SNR): 95dB
Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The TDA8947J/N3,112 features a standard pin configuration with pins designated for power supply, input signals, output connections, and control functions. The detailed pinout can be found in the datasheet provided by the manufacturer.

Functional Features

High-quality audio amplification
Low distortion and noise
Wide operating voltage range
Thermal protection
Short-circuit protection

Advantages and Disadvantages

Advantages

Compact size
High output power
Wide temperature range
Built-in protection features

Disadvantages

Limited output power compared to higher wattage amplifiers
Requires heat sinking for prolonged high-power operation

Working Principles

The TDA8947J/N3,112 operates as a class D audio amplifier, utilizing pulse-width modulation (PWM) to deliver high-efficiency amplification. It accepts analog audio input signals and converts them into amplified digital pulses, which are then filtered and converted back to analog form to drive the connected speakers.

Detailed Application Field Plans

The TDA8947J/N3,112 is well-suited for a wide range of applications including: - Home audio systems - Car audio amplifiers - Portable speakers - Professional audio equipment

Detailed and Complete Alternative Models

TDA8947J/N1,112
TDA8947J/N2,112
TDA8947J/N4,112

In conclusion, the TDA8947J/N3,112 is a versatile audio amplifier IC that offers high-quality sound reproduction and reliable performance across various audio applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TDA8947J/N3,112 v technických řešeních

Sure, here are 10 common questions and answers related to the application of TDA8947J/N3,112:

Question: What is the maximum power output of TDA8947J/N3,112?
Answer: The maximum power output of TDA8947J/N3,112 is 2 x 27 W in a 4-ohm load.
Question: What is the supply voltage range for TDA8947J/N3,112?
Answer: The supply voltage range for TDA8947J/N3,112 is typically ±12 V to ±20 V.
Question: Can TDA8947J/N3,112 be used in bridge-tied load (BTL) configuration?
Answer: Yes, TDA8947J/N3,112 can be used in bridge-tied load (BTL) configuration to drive a single speaker.
Question: What is the typical efficiency of TDA8947J/N3,112?
Answer: The typical efficiency of TDA8947J/N3,112 is around 90% at full output power.
Question: Does TDA8947J/N3,112 require an external heat sink?
Answer: Yes, TDA8947J/N3,112 requires an external heat sink for proper thermal management.
Question: Is TDA8947J/N3,112 suitable for automotive audio applications?
Answer: Yes, TDA8947J/N3,112 is suitable for automotive audio applications due to its wide supply voltage range.
Question: What is the recommended input signal level for TDA8947J/N3,112?
Answer: The recommended input signal level for TDA8947J/N3,112 is typically 1 Vrms.
Question: Can TDA8947J/N3,112 operate in a single-ended mode?
Answer: Yes, TDA8947J/N3,112 can operate in a single-ended mode with reduced output power.
Question: What is the total harmonic distortion (THD) of TDA8947J/N3,112?
Answer: The total harmonic distortion (THD) of TDA8947J/N3,112 is typically less than 0.5% at full output power.
Question: Does TDA8947J/N3,112 have built-in short-circuit protection?
Answer: Yes, TDA8947J/N3,112 has built-in short-circuit protection to safeguard the device and connected speakers.

I hope these questions and answers are helpful!