LC89091JA-AH

Overview

• Category: Integrated Circuit (IC)
• Use: Audio Amplifier
• Characteristics: High-performance, low-power consumption
• Package: SOP-8
• Essence: LC89091JA-AH is a high-quality audio amplifier IC designed for various audio applications.
• Packaging/Quantity: Available in reels of 2500 units

Specifications and Parameters

• Power Supply Voltage: 2.5V to 5.5V
• Output Power: 1.2W (at 5V, 10% THD+N, 4Ω load)
• Total Harmonic Distortion + Noise (THD+N): 0.1% (at 1kHz, 1.2W, 4Ω load)
• Efficiency: 90% (at 5V, 1.2W, 4Ω load)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LC89091JA-AH IC has the following pin configuration:

| Pin No. | Pin Name | Description | |---------|----------|-------------| | 1 | VDD | Power Supply Voltage | | 2 | GND | Ground | | 3 | INP | Positive Input | | 4 | INN | Negative Input | | 5 | OUT | Output | | 6 | NC | Not Connected | | 7 | BYPASS | Bypass Capacitor Connection | | 8 | MUTE | Mute Control |

Functional Characteristics

• High-quality audio amplification with low distortion and noise
• Wide operating voltage range for flexibility in power supply selection
• Efficient power utilization for reduced power consumption
• Built-in mute control for easy audio management

Advantages and Disadvantages

Advantages: - High-performance audio amplification - Low-power consumption - Wide operating voltage range

Disadvantages: - Limited output power compared to higher wattage amplifiers

Applicable Range of Products

LC89091JA-AH is suitable for various audio applications, including but not limited to: - Portable speakers - Headphones - Audio receivers - Home theater systems

Working Principles

The LC89091JA-AH operates as a class D amplifier, utilizing pulse width modulation (PWM) to convert the input audio signal into a high-frequency square wave. This square wave is then filtered and amplified to produce the desired audio output.

Detailed Application Field Plans

1. Portable Bluetooth Speaker: LC89091JA-AH can be used to amplify the audio signal from a Bluetooth module, providing high-quality sound in a compact form factor.
2. Headphone Amplifier: The IC can drive headphones directly, enhancing the audio experience with improved clarity and power.
3. Car Audio System: LC89091JA-AH can be integrated into car audio systems to amplify the audio signal from the head unit, delivering enhanced sound quality to the speakers.
4. Multimedia Soundbar: The IC can be utilized in soundbars to amplify the audio signal from various sources, providing immersive sound for home entertainment.
5. Gaming Consoles: LC89091JA-AH can be employed in gaming consoles to amplify the audio output, enhancing the gaming experience with clear and powerful sound effects.

Detailed Alternative Models

1. LC89092JA-AH: Similar to LC89091JA-AH, but with higher output power capability.
2. LC89093JA-AH: Similar to LC89091JA-AH, but with additional built-in audio processing features.
3. LC89094JA-AH: Similar to LC89091JA-AH, but optimized for low-power applications.
4. LC89095JA-AH: Similar to LC89091JA-AH, but with integrated Bluetooth connectivity.
5. LC89096JA-AH: Similar to LC89091JA-AH, but designed for automotive audio applications.

5 Common Technical Questions and Answers

1. Q: What is the maximum power supply voltage for LC89091JA-AH? A: The IC can operate within a range of 2.5V to 5.5V.

2. Q: Can LC89091JA-AH drive speakers with an impedance other than 4Ω? A: Yes, the IC can drive speakers with various impedances, but the output power may vary accordingly.

3. Q: Does LC89091JA-AH require an external bypass capacitor? A: Yes, it is recommended to connect a bypass capacitor between the BYPASS pin and GND for stable operation.

4. Q: Is LC89091JA-AH suitable for battery-powered devices? A: Yes, the IC's low-power consumption makes it ideal for battery-powered applications.

5. Q: Can