PCM1870RHFTG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Codec
• Characteristics: High-performance, low-power, stereo audio codec
• Package: QFN (Quad Flat No-Lead) package
• Essence: Converts analog audio signals to digital and vice versa
• Packaging/Quantity: Tape and reel packaging, quantity varies

Specifications

• Resolution: 24-bit
• Sampling Rate: Up to 192 kHz
• Number of Channels: Stereo (2 channels)
• Digital Interface: I2S (Inter-IC Sound)
• Power Supply: 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCM1870RHFTG4 has a total of 32 pins. Here is the detailed pin configuration:

1. VDDA: Analog power supply
2. VDDD: Digital power supply
3. AGND: Analog ground
4. DGND: Digital ground
5. MCLK: Master clock input
6. BCLK: Bit clock input
7. LRCK: Left/right clock input
8. SDIN: Serial data input
9. SDOUT: Serial data output
10. RESET: Reset input
11. GPIO1: General-purpose input/output 1
12. GPIO2: General-purpose input/output 2
13. GPIO3: General-purpose input/output 3
14. GPIO4: General-purpose input/output 4
15. GPIO5: General-purpose input/output 5
16. GPIO6: General-purpose input/output 6
17. GPIO7: General-purpose input/output 7
18. GPIO8: General-purpose input/output 8
19. AVDD: Analog power supply for headphone amplifier
20. AVSS: Analog ground for headphone amplifier
21. HPL: Headphone left output
22. HPR: Headphone right output
23. MICBIAS: Microphone bias voltage
24. MICIN1P: Microphone input 1 positive
25. MICIN1N: Microphone input 1 negative
26. MICIN2P: Microphone input 2 positive
27. MICIN2N: Microphone input 2 negative
28. MICGND: Microphone ground
29. MICBIAS2: Additional microphone bias voltage
30. MICIN3P: Microphone input 3 positive
31. MICIN3N: Microphone input 3 negative
32. NC: No connection

Functional Features

• High-resolution audio conversion
• Low power consumption
• Stereo audio recording and playback
• Integrated headphone amplifier
• Flexible digital interface options
• Built-in microphone bias voltage generation
• General-purpose input/output pins for additional functionality

Advantages and Disadvantages

Advantages: - High-quality audio conversion - Low power consumption - Compact package size - Versatile digital interface options - Integrated headphone amplifier simplifies design - Multiple general-purpose I/O pins for customization

Disadvantages: - Limited number of channels (stereo only) - Requires external power supply

Working Principles

The PCM1870RHFTG4 operates by converting analog audio signals into digital format using a high-resolution ADC (Analog-to-Digital Converter). It also performs the reverse process, converting digital audio data back into analog signals using a high-performance DAC (Digital-to-Analog Converter). The integrated headphone amplifier allows direct connection to headphones or speakers.

Detailed Application Field Plans

The PCM1870RHFTG4 is suitable for various applications including:

1. Consumer audio devices (e.g., portable media players, smartphones, tablets)
2. Professional audio equipment (e.g., audio interfaces, mixers, recorders)
3. Automotive infotainment systems
4. Home theater systems
5. Gaming consoles

Detailed and Complete Alternative Models

1. PCM1860RHFTG4: Similar audio codec with lower resolution (16-bit) and sampling rate (96 kHz).
2. PCM1862RHFTG4: Audio codec with higher resolution (32-bit) and additional features like digital filters.
3. PCM1864RHFTG4: Audio codec with higher resolution (32-bit) and more channels (4 channels).

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

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