PCM1741EG4

Overview

Category: Integrated Circuit (IC)

Use: Digital-to-Analog Converter (DAC)

Characteristics: - High-resolution audio conversion - Low power consumption - Small form factor - Wide dynamic range - Excellent linearity and distortion performance

Package: SSOP-20

Essence: The PCM1741EG4 is a high-performance DAC designed for audio applications. It converts digital audio signals into analog signals with high precision and fidelity.

Packaging/Quantity: The PCM1741EG4 is available in a SSOP-20 package. It is typically sold in reels of 2500 units.

Specifications

• Resolution: Up to 24 bits
• Sampling Rate: Up to 192 kHz
• Total Harmonic Distortion + Noise (THD+N): <0.001%
• Signal-to-Noise Ratio (SNR): >110 dB
• Output Voltage Range: 0 to 2.5 V
• Power Supply Voltage: 3.3 V
• Power Consumption: 10 mW (typical)

Pin Configuration

The PCM1741EG4 has a total of 20 pins. Here is the detailed pin configuration:

1. VREFP: Positive reference voltage input
2. VREFN: Negative reference voltage input
3. AGND: Analog ground
4. AVCC: Analog power supply
5. DVCC: Digital power supply
6. DGND: Digital ground
7. BCK: Bit clock input
8. DIN: Serial data input
9. LRCK: Left/right clock input
10. MUTE: Mute control input
11. DEEMPH: De-emphasis control input
12. OSF: Oversampling filter selection input
13. VOUTL: Analog output - left channel
14. VOUTR: Analog output - right channel
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 up to 24-bit resolution
• Supports sampling rates up to 192 kHz for accurate reproduction of high-frequency content
• Low power consumption makes it suitable for portable and battery-powered devices
• Excellent linearity and distortion performance ensure faithful audio reproduction
• Wide dynamic range allows for the playback of both soft and loud sounds without loss of detail

Advantages and Disadvantages

Advantages: - High-resolution audio conversion - Low power consumption - Small form factor - Wide dynamic range - Excellent linearity and distortion performance

Disadvantages: - Limited output voltage range (0 to 2.5 V) - Requires external reference voltage sources

Working Principles

The PCM1741EG4 operates by receiving digital audio data and converting it into analog signals using a built-in digital-to-analog conversion algorithm. The converted analog signals are then amplified and filtered to produce high-quality audio output.

Detailed Application Field Plans

The PCM1741EG4 is commonly used in various audio applications, including: - Professional audio equipment - Consumer audio devices - Automotive audio systems - Home theater systems - Portable media players

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the PCM1741EG4:

1. PCM1794A: 24-bit, 192 kHz, 8-channel DAC
2. PCM5102A: 24-bit, 192 kHz, stereo DAC with integrated headphone amplifier
3. CS4398: 24-bit, 192 kHz, stereo DAC with advanced digital filtering

These alternative models can be considered based on specific requirements and design constraints.

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