PCM1744U/2KG4

Product Overview

• Category: Digital-to-Analog Converter (DAC)
• Use: Converts digital audio signals into analog audio signals
• Characteristics: High-resolution audio output, low distortion, compact size
• Package: 20-pin TSSOP package
• Essence: Provides high-quality audio conversion for various applications
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Resolution: Up to 24-bit
• Sampling Rate: Up to 192 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.002%
• Signal-to-Noise Ratio (SNR): >100 dB
• Power Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PCM1744U/2KG4 has a total of 20 pins arranged as follows:

1. VCOM
2. AGND
3. DGND
4. AVCC
5. DVCC
6. BCK
7. LRCK
8. DATA
9. MUTE
10. DEEMPH
11. I2S_MODE
12. OSF
13. SLOW_CLK
14. VOUTL
15. VOUTR
16. VREFL
17. VREFR
18. NC
19. NC
20. NC

Functional Features

• High-resolution audio output for improved sound quality
• Low distortion ensures accurate reproduction of audio signals
• Compact size allows for integration into various devices
• Supports multiple sampling rates and bit depths
• Built-in mute and de-emphasis functions for enhanced control

Advantages and Disadvantages

Advantages: - High-quality audio output - Wide operating temperature range - Compact and easy to integrate into designs - Supports various sampling rates and bit depths

Disadvantages: - Limited pin configuration options - Requires external components for complete audio system integration

Working Principles

The PCM1744U/2KG4 operates by receiving digital audio data through the I2S interface. It then converts the digital data into analog signals using a high-resolution DAC. The converted analog signals are then amplified and sent to the output pins for further processing or direct connection to audio devices.

Application Field Plans

The PCM1744U/2KG4 is suitable for a wide range of applications, including:

1. Audio equipment: Hi-Fi systems, amplifiers, audio interfaces
2. Consumer electronics: TVs, set-top boxes, media players
3. Automotive: Car audio systems, infotainment systems
4. Professional audio: Studio monitors, mixing consoles, audio recorders

Alternative Models

1. PCM1794A: Higher resolution (32-bit) DAC with similar features
2. PCM5102A: Lower cost DAC with 16-bit resolution
3. AK4490EQ: High-end DAC with advanced features and improved performance

Note: This is not an exhaustive list, and alternative models may vary based on specific requirements and availability in the market.

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