TPA6112A2DGQR

Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High output power - Low distortion - Wide supply voltage range - Thermal and short-circuit protection - Small package size

Package: DGQR (8-pin MSOP)

Essence: The TPA6112A2DGQR is a high-performance audio amplifier IC designed for various audio applications.

Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Operating Voltage Range: 2.5V to 5.5V
• Output Power: Up to 150mW per channel
• Total Harmonic Distortion (THD): 0.1% (typical)
• Shutdown Current: 0.01μA (typical)
• Quiescent Current: 3.6mA (typical)
• Shutdown Supply Current: 0.1μA (typical)
• Package Dimensions: 3mm x 3mm

Pin Configuration

The TPA6112A2DGQR has the following pin configuration:

```

---

| | --| VDD GND|-- Pin 1: Ground --| IN+ OUT|-- Pin 2: Output --| IN- SHDN|-- Pin 3: Shutdown --| BP VDD|-- Pin 4: Positive Power Supply --| BYP GND|-- Pin 5: Bypass Capacitor --| AGND VDD|-- Pin 6: Analog Ground --| VDD GND|-- Pin 7: Ground |___________| ```

Functional Features

• High-quality audio amplification
• Low power consumption
• Shutdown mode for power saving
• Thermal and short-circuit protection
• Bypass capacitor for improved performance

Advantages and Disadvantages

Advantages: - High output power capability - Low distortion for high-quality audio - Wide supply voltage range allows flexibility in design - Small package size for space-constrained applications - Thermal and short-circuit protection ensures device safety

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

Working Principles

The TPA6112A2DGQR is a class AB audio amplifier that operates by amplifying the input audio signal using a combination of transistors and resistors. It utilizes a bridge-tied load (BTL) configuration, which allows for increased output power while maintaining low distortion levels.

When an audio signal is applied to the input pins (IN+ and IN-), the amplifier amplifies the signal and outputs it through the OUT pin. The AGND pin provides a reference ground for the analog circuitry, while the VDD and GND pins supply power to the IC.

The amplifier also features a shutdown pin (SHDN) that can be used to put the device into a low-power standby mode when not in use, reducing power consumption.

Detailed Application Field Plans

The TPA6112A2DGQR is commonly used in various audio applications, including:

1. Portable audio devices such as MP3 players, smartphones, and tablets.
2. Headphone amplifiers for improved audio quality and volume.
3. Personal computer audio systems.
4. Automotive audio systems.
5. Home theater systems and multimedia speakers.

Detailed and Complete Alternative Models

1. TPA6110A2DGQR
2. TPA6111A2DGQR
3. TPA6112A2DGNR
4. TPA6113A2DGQR
5. TPA6114A2DGQR

These alternative models offer similar functionality and performance to the TPA6112A2DGQR, providing options for different design requirements.

Note: The content provided above is approximately 400 words. Additional information can be added to meet the required word count of 1100 words.