TDA7240AH

Product Overview

Category

TDA7240AH belongs to the category of integrated audio amplifier circuits.

Use

It is primarily used for amplifying audio signals in various electronic devices such as radios, televisions, and portable audio players.

Characteristics

• High-quality audio amplification
• Low distortion
• Wide frequency response range
• Compact size
• Low power consumption

Package

TDA7240AH is available in a compact 9-pin single in-line package (SIP).

Essence

The essence of TDA7240AH lies in its ability to provide high-quality audio amplification with low distortion and wide frequency response, making it suitable for various audio applications.

Packaging/Quantity

TDA7240AH is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Supply voltage: 8V - 18V
• Output power: 20W (max)
• Total harmonic distortion: <0.5%
• Frequency response: 20Hz - 20kHz
• Input impedance: 30kΩ
• Output impedance: 4Ω
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

1. VCC: Power supply input
2. IN+: Non-inverting input
3. IN-: Inverting input
4. GND: Ground
5. OUT: Amplified audio output
6. BYPASS: Bypass capacitor connection
7. MUTE: Mute control input
8. ST-BY: Standby control input
9. VEE: Negative power supply input

Functional Features

• High gain audio amplification
• Built-in mute and standby modes for power saving
• Short-circuit and thermal protection
• External bypass capacitor for improved stability
• Low external component count

Advantages and Disadvantages

Advantages

• High-quality audio amplification with low distortion
• Wide frequency response range for accurate sound reproduction
• Compact size allows for easy integration into various devices
• Low power consumption for energy efficiency

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires additional external components for optimal performance

Working Principles

TDA7240AH operates as a class AB audio amplifier. It amplifies the input audio signal using a combination of voltage and current amplification stages. The amplified signal is then delivered to the output, driving the connected speaker or audio device.

Detailed Application Field Plans

TDA7240AH finds applications in various electronic devices, including: 1. Portable audio players 2. Car audio systems 3. Home theater systems 4. Multimedia speakers 5. Television sets 6. Radios

Detailed and Complete Alternative Models

1. TDA7265: Similar audio amplifier circuit with higher output power (25W)
2. TDA7297: Dual-channel audio amplifier with higher output power (15W per channel)
3. LM386: Low-power audio amplifier with lower output power (1W)

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

In conclusion, TDA7240AH is an integrated audio amplifier circuit that provides high-quality audio amplification with low distortion and wide frequency response. Its compact size, low power consumption, and versatile applications make it a popular choice for various electronic devices.