BD3888FS-E2

Overview

• Category: Integrated Circuit
• Use: Audio Amplifier
• Characteristics:
  • High efficiency
  • Low power consumption
  • Compact size
• Package: SOP-24
• Essence: BD3888FS-E2 is a high-efficiency audio amplifier integrated circuit designed for various audio applications.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications and Parameters

• Power Supply Voltage: 4.5V to 5.5V
• Output Power: 3W (typical)
• Total Harmonic Distortion: 0.1% (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The BD3888FS-E2 features a detailed and complete pin configuration as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VCC | Power Supply Voltage | | 2 | GND | Ground | | 3 | INL | Left Channel Input | | 4 | INR | Right Channel Input | | 5 | MUTE | Mute Control | | 6 | STBY | Standby Control | | 7 | NC | No Connection | | 8 | NC | No Connection | | 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 | | 17 | NC | No Connection | | 18 | NC | No Connection | | 19 | NC | No Connection | | 20 | NC | No Connection | | 21 | NC | No Connection | | 22 | NC | No Connection | | 23 | OUTR | Right Channel Output | | 24 | OUTL | Left Channel Output |

Functional Characteristics

• High-efficiency Class D amplifier
• Low power consumption in standby mode
• Mute control for audio output
• Standby control for power management

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Mute and standby controls enhance user experience

Disadvantages: - Limited output power compared to higher wattage amplifiers - No built-in equalization or tone control features

Applicable Range of Products

The BD3888FS-E2 is suitable for a wide range of audio applications, including but not limited to: - Portable speakers - Headphones - Home theater systems - Car audio systems

Working Principles

The BD3888FS-E2 utilizes a Class D amplifier architecture to achieve high efficiency. It converts the input audio signal into a pulse-width modulated (PWM) signal, which is then amplified and filtered to produce the final audio output.

Detailed Application Field Plans

1. Portable Speaker System:

   • Utilize the BD3888FS-E2 to drive the speaker drivers efficiently.
   • Implement a power management system using the standby control for extended battery life.

2. Headphone Amplifier:

   • Connect the left and right channel inputs to the audio source.
   • Use the BD3888FS-E2 to amplify the audio signals and drive the headphone drivers.

3. Car Audio System:

   • Integrate the BD3888FS-E2 into the car audio system to amplify the audio signals.
   • Utilize the mute control for audio output when necessary.

Detailed Alternative Models

• BD3888FS-E1: Similar specifications and pin configuration, but with a different package (SSOP-24).

5 Common Technical Questions and Answers

1. Q: What is the maximum power supply voltage for the BD3888FS-E2? A: The maximum power supply voltage is 5.5V.

2. Q: Can the BD3888FS-E2 be used in a battery-powered device? A: Yes, the low power consumption and standby control make it suitable for battery-powered applications.

3. Q: Does the BD3888FS-E2 have built-in thermal protection? A: No, it does not have built-in thermal protection. External measures should be taken to prevent overheating.

4. Q: Can the BD3888FS-E2 drive speakers with impedance lower than 4 ohms? A: No, it is recommended to use speakers with an impedance of 4 ohms or higher.

5. Q