TPA701D

Product Overview

Category

The TPA701D belongs to the category of audio amplifiers.

Use

It is primarily used for amplifying audio signals in various electronic devices.

Characteristics

• Compact size
• High efficiency
• Low power consumption
• Wide frequency response range

Package

The TPA701D is available in a small outline package (SOP) or dual in-line package (DIP).

Essence

The essence of TPA701D lies in its ability to amplify audio signals with high fidelity and efficiency.

Packaging/Quantity

The TPA701D is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Power Supply Voltage: 2.5V - 5.5V
• Output Power: Up to 1W
• Total Harmonic Distortion (THD): <0.1%
• Signal-to-Noise Ratio (SNR): >90dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPA701D has the following pin configuration:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. IN+: Positive audio signal input
4. IN-: Negative audio signal input
5. SHUTDOWN: Shutdown control input
6. OUT: Amplified audio signal output

Functional Features

• Low quiescent current consumption
• Shutdown mode for power-saving operation
• Short-circuit and thermal protection
• Built-in gain control

Advantages and Disadvantages

Advantages

• Small form factor allows for easy integration into compact designs
• High efficiency results in low power consumption
• Wide frequency response range ensures accurate reproduction of audio signals

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires an external power supply for operation

Working Principles

The TPA701D operates on the principle of amplifying low-power audio signals using a class-D amplifier architecture. It converts the input audio signal into a high-frequency pulse-width modulated (PWM) signal, which is then amplified and filtered to produce the final amplified audio output.

Detailed Application Field Plans

The TPA701D finds applications in various electronic devices, including but not limited to: - Portable audio players - Mobile phones - Bluetooth speakers - Headphones - Personal computers

Detailed and Complete Alternative Models

1. TPA702D: Similar to TPA701D, but with higher output power capability.
2. TPA703D: Compact audio amplifier with built-in volume control.
3. TPA704D: Dual-channel audio amplifier for stereo applications.

These alternative models offer different features and specifications to cater to diverse application requirements.

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