TS4974IQT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power consumption
• Package: Thin Shrink Small Outline Package (TSSOP)
• Essence: Amplification of audio signals
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2.7V to 5.5V
• Output Power: 1.2W (typical)
• Total Harmonic Distortion + Noise: 0.1% (typical)
• Operating Temperature Range: -40°C to +85°C
• Input Impedance: 32kΩ (typical)
• Output Impedance: 8Ω (typical)

Detailed Pin Configuration

The TS4974IQT has a total of 16 pins, as follows:

1. VDD: Positive power supply
2. GND: Ground reference
3. IN+: Non-inverting input
4. IN-: Inverting input
5. BYPASS: Bypass capacitor connection
6. SHUTDOWN: Shutdown control input
7. MODE: Mode selection input
8. OUT: Output pin
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• Low quiescent current consumption
• Wide supply voltage range
• Short-circuit and thermal protection
• Pop and click noise suppression during power-on/off transitions
• High signal-to-noise ratio
• Excellent audio quality

Advantages and Disadvantages

Advantages: - Low power consumption - High-quality audio amplification - Wide supply voltage range allows for versatile applications - Protection features ensure reliability

Disadvantages: - Limited output power compared to higher wattage amplifiers - Not suitable for high-power audio applications

Working Principles

The TS4974IQT is a class AB audio amplifier that operates by amplifying low-level audio signals. It utilizes a combination of input and feedback circuitry to amplify the signal while maintaining low distortion and noise levels. The amplifier is designed to operate within a specified supply voltage range, providing efficient amplification with minimal power consumption.

Detailed Application Field Plans

The TS4974IQT is commonly used in various audio applications, including:

1. Portable audio devices (e.g., MP3 players, smartphones)
2. Headphone amplifiers
3. Multimedia speakers
4. Personal computer audio systems
5. Automotive audio systems

Detailed and Complete Alternative Models

1. LM386: Low Voltage Audio Power Amplifier
2. TDA7297: Dual Bridge Audio Amplifier
3. MAX9744: 20W Stereo Class D Audio Power Amplifier
4. TPA3116D2: 50W Stereo Class D Audio Power Amplifier
5. STA540: 4x13W Quad Bridge Audio Amplifier

These alternative models offer different specifications and features, catering to various audio amplification requirements.

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