TLV320AIC32IRHB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Audio Codec
• Characteristics: High-performance, low-power, stereo audio codec
• Package: 32-VQFN (5x5)
• Essence: TLV320AIC32IRHB is a versatile audio codec designed for various audio applications.
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Resolution: 24-bit
• Sampling Rate: Up to 192 kHz
• Audio Interface: I2S, TDM, and DSP compatible
• Analog Inputs: 4 differential or 7 single-ended
• Analog Outputs: 8 differential or 9 single-ended
• Digital Interfaces: I2C and SPI
• Power Supply: 3.3 V

Pin Configuration

The TLV320AIC32IRHB has a 32-pin VQFN package with the following pin configuration:

1. AVDD: Analog power supply
2. DVDD: Digital power supply
3. AGND: Analog ground
4. DGND: Digital ground
5. MICBIAS: Microphone bias voltage
6. MICIN1P: Positive input for microphone 1
7. MICIN1N: Negative input for microphone 1
8. MICIN2P: Positive input for microphone 2
9. MICIN2N: Negative input for microphone 2
10. LINEINL: Left channel line input
11. LINEINR: Right channel line input
12. LINEOUTL: Left channel line output
13. LINEOUTR: Right channel line output
14. HPLOUT: Left channel headphone output
15. HPROUT: Right channel headphone output
16. SPKL: Left channel speaker output
17. SPKR: Right channel speaker output
18. BCLK: Bit clock for audio interface
19. WCLK: Word clock for audio interface
20. SDIN: Serial data input for audio interface
21. SDOUT: Serial data output for audio interface
22. RESET: Reset pin
23. GPIO1: General-purpose input/output pin 1
24. GPIO2: General-purpose input/output pin 2
25. GPIO3: General-purpose input/output pin 3
26. GPIO4: General-purpose input/output pin 4
27. MCLK: Master clock for audio interface
28. SDA: I2C serial data line
29. SCL: I2C serial clock line
30. CSB: Chip select for SPI interface
31. SDI: Serial data input for SPI interface
32. SDO: Serial data output for SPI interface

Functional Features

• High-quality audio recording and playback
• Integrated programmable digital filters
• Built-in microphone bias voltage generation
• Flexible audio interface options
• Low power consumption
• Programmable gain amplifiers for inputs and outputs
• On-chip volume control

Advantages and Disadvantages

Advantages: - High-resolution audio support - Versatile audio interface compatibility - Low power consumption - Integrated features reduce external component count - Programmable functionality allows customization

Disadvantages: - Limited number of analog inputs and outputs - Relatively small package size may require careful PCB layout

Working Principles

The TLV320AIC32IRHB operates by converting analog audio signals into digital format using high-resolution ADCs. It then processes the digital audio using built-in digital filters, gain amplifiers, and volume control. The processed audio is converted back to analog format using high-quality DACs for output. The device also provides microphone bias voltage generation and various audio interface options for seamless integration into audio systems.

Detailed Application Field Plans

The TLV320AIC32IRHB is suitable for a wide range of audio applications, including: - Portable audio devices - Headsets and headphones - Audio recording equipment - Automotive infotainment systems - Home theater systems - Professional audio equipment

Alternative Models

For alternative options, consider the following models: - TLV320AIC3104: Similar audio codec with additional features - TLV320AIC3254: Higher-performance audio codec with advanced processing capabilities - TLV320AIC3268: Audio codec with integrated digital signal processing (DSP) functionality

These alternative models offer different sets of features and performance levels to cater to specific application requirements.

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