UDA1351H/N1,557

Product Overview

The UDA1351H/N1,557 is a digital-to-analog converter (DAC) belonging to the category of audio processing integrated circuits. It is commonly used in audio equipment such as amplifiers, sound systems, and digital audio players. The UDA1351H/N1,557 is known for its high-quality audio conversion, compact package, and versatile application in various audio devices. This DAC is available in a small outline package (SSOP) and is typically sold in quantities suitable for small to medium-scale production.

Specifications

• Resolution: 16-bit
• Sampling Rate: Up to 96 kHz
• Package Type: SSOP
• Power Supply: 3.3V
• Total Harmonic Distortion + Noise (THD+N): -85 dB
• Dynamic Range: 95 dB
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The UDA1351H/N1,557 features a total of 28 pins, each serving specific functions related to audio input, output, power supply, and control signals. A detailed pin configuration diagram is provided in the datasheet of the product.

Functional Features

• High-resolution audio conversion
• Low distortion and noise levels
• Flexible power supply requirements
• Integrated digital filters for signal processing
• I2C interface for control and configuration

Advantages and Disadvantages

Advantages

• High-quality audio output
• Versatile sampling rate support
• Compact package size
• Low power consumption

Disadvantages

• Limited to 16-bit resolution
• Relatively narrow operating temperature range

Working Principles

The UDA1351H/N1,557 operates by receiving digital audio data and converting it into analog signals with high precision. It utilizes internal digital filters to process the input data and then employs a multi-bit sigma-delta modulator to perform the actual digital-to-analog conversion. The resulting analog output is suitable for driving audio amplifiers or headphones.

Detailed Application Field Plans

The UDA1351H/N1,557 is widely used in various audio applications, including: - Portable digital audio players - Home audio systems - Car audio entertainment systems - Professional audio equipment

Detailed and Complete Alternative Models

• UDA1361: Higher resolution 24-bit DAC
• PCM5102A: Lower power consumption DAC with similar performance
• CS4344: 24-bit DAC with extended temperature range

In conclusion, the UDA1351H/N1,557 is a versatile and high-performance DAC suitable for a wide range of audio applications. Its combination of high-quality audio conversion, compact package, and flexible interface options make it a popular choice among audio equipment manufacturers.

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