PCM3000E

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Codec
• Characteristics: High-quality audio processing, compact size, low power consumption
• Package: 28-pin SSOP (Shrink Small Outline Package)
• Essence: PCM3000E is a high-performance audio codec designed for various audio applications.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Resolution: 16-bit
• Sampling Rate: Up to 48 kHz
• Audio Inputs: Stereo Line-In, Microphone-In
• Audio Outputs: Stereo Line-Out, Headphone-Out
• Digital Interfaces: I2S, SPI
• Power Supply: 3.3V

Detailed Pin Configuration

1. VDD: Power supply voltage
2. GND: Ground
3. MCLK: Master Clock input
4. BCLK: Bit Clock input
5. DIN: Data Input
6. LRCLK: Left/Right Clock input
7. AGND: Analog Ground
8. AVDD: Analog Power supply voltage
9. MICBIAS: Microphone Bias voltage
10. MICIN: Microphone Input
11. LIN: Line-In Left channel
12. RIN: Line-In Right channel
13. LOUT: Line-Out Left channel
14. ROUT: Line-Out Right channel
15. HPL: Headphone Left channel
16. HPR: Headphone Right channel
17. DVDD: Digital Power supply voltage
18. SDOUT: Serial Data Output
19. SCLK: Serial Clock output
20. CSN: Chip Select input
21. RESET: Reset input
22. GPIO1: General Purpose Input/Output 1
23. GPIO2: General Purpose Input/Output 2
24. GPIO3: General Purpose Input/Output 3
25. GPIO4: General Purpose Input/Output 4
26. GPIO5: General Purpose Input/Output 5
27. GPIO6: General Purpose Input/Output 6
28. NC: No Connection

Functional Features

• High-quality audio processing with 16-bit resolution and up to 48 kHz sampling rate.
• Supports various audio inputs including stereo Line-In and Microphone-In.
• Provides stereo Line-Out and Headphone-Out for audio output.
• Offers digital interfaces such as I2S and SPI for easy integration with other devices.
• Low power consumption, making it suitable for portable audio applications.

Advantages and Disadvantages

Advantages: - High-quality audio processing ensures excellent sound reproduction. - Compact size allows for space-efficient designs. - Low power consumption extends battery life in portable devices.

Disadvantages: - Limited number of GPIO pins may restrict the flexibility of certain applications. - Requires external components for amplification and filtering in some cases.

Working Principles

PCM3000E operates by converting analog audio signals into digital format using an ADC (Analog-to-Digital Converter). It then processes the digital audio data and converts it back to analog format using a DAC (Digital-to-Analog Converter). The processed audio can be output through the Line-Out or Headphone-Out channels. The chip communicates with the host system through the digital interfaces (I2S/SPI) for control and data transfer.

Detailed Application Field Plans

• Portable audio devices such as MP3 players, smartphones, and tablets.
• Audio recording equipment and mixers.
• Automotive infotainment systems.
• Home entertainment systems and multimedia speakers.
• Gaming consoles and virtual reality devices.

Detailed and Complete Alternative Models

1. PCM2900E: Similar audio codec with USB interface.
2. PCM3060E: Higher-resolution audio codec with 24-bit support.
3. PCM1808E: Audio codec with integrated ADC for single-channel applications.

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

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