PCM1739E/2K

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital-to-Analog Converter (DAC)
• Characteristics: High-performance, 24-bit resolution, stereo audio DAC
• Package: 20-pin SSOP (Shrink Small Outline Package)
• Essence: Converts digital audio signals into analog audio signals with high precision and fidelity
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2000 units per reel

Specifications

• Resolution: 24-bit
• Sampling Rate: Up to 192 kHz
• Number of Channels: 2 (stereo)
• Output Voltage Range: 0 to 4.5 V
• Total Harmonic Distortion + Noise (THD+N): <0.001%
• Signal-to-Noise Ratio (SNR): >110 dB
• Dynamic Range (DR): >110 dB
• Power Supply Voltage: 3.3 V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PCM1739E/2K features a 20-pin SSOP package with the following pin configuration:

1. VOUTL - Left Channel Analog Output
2. VCOM - Common Analog Ground
3. VOUTR - Right Channel Analog Output
4. AGND - Analog Ground
5. DVDD - Digital Power Supply
6. BCK - Bit Clock Input
7. LRCK - Word Clock Input
8. SDIN - Serial Data Input
9. MUTE - Mute Control Input
10. DEEMPH - De-emphasis Control Input
11. AVDD - Analog Power Supply
12. VREF - Reference Voltage Output
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

Functional Features

• High-resolution audio conversion with 24-bit precision
• Supports sampling rates up to 192 kHz for accurate reproduction of high-quality audio
• Low total harmonic distortion and noise ensure faithful audio reproduction
• Wide dynamic range and high signal-to-noise ratio for excellent audio clarity
• Integrated mute and de-emphasis control for enhanced audio control
• Dual-channel design for stereo audio applications
• Low power consumption for energy-efficient operation

Advantages and Disadvantages

Advantages: - High-performance DAC with excellent audio quality - Wide range of supported sampling rates for versatile applications - Compact package size for space-constrained designs - Low power consumption for energy efficiency

Disadvantages: - Limited number of channels (2) may not be suitable for multi-channel audio applications - Requires external components for complete audio playback system integration

Working Principles

The PCM1739E/2K is a digital-to-analog converter that operates by converting digital audio signals into analog audio signals. It utilizes a high-resolution 24-bit architecture to accurately represent the audio data. The incoming digital audio stream is processed and converted into analog voltage levels, which are then amplified and output through the left and right channel analog outputs.

Detailed Application Field Plans

The PCM1739E/2K is commonly used in various audio applications, including:

1. Consumer Audio Systems: High-fidelity audio playback in home theater systems, soundbars, and audio receivers.
2. Professional Audio Equipment: Studio monitors, mixing consoles, and audio interfaces for accurate audio monitoring and production.
3. Automotive Audio Systems: Premium car audio systems for immersive in-car entertainment.
4. Portable Audio Devices: High-quality audio playback in portable media players, smartphones, and tablets.
5. Gaming Consoles: Enhanced audio output for immersive gaming experiences.

Detailed and Complete Alternative Models

1. PCM1796 - 24-bit, 192 kHz, 8-channel audio DAC with similar performance characteristics.
2. CS4398 - 24-bit, 192 kHz, stereo audio DAC with integrated digital filters.
3. AK4490 - 32-bit, 768 kHz, stereo audio DAC with advanced digital filtering capabilities.

These alternative models offer similar functionality and performance to the PCM1739E/2K and can be considered as alternatives based on specific application requirements.

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