UDA1355H/N2,557

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Digital-to-Analog Converter (DAC)

Characteristics: - High-performance audio DAC - Low power consumption - Compact size - Wide dynamic range - High signal-to-noise ratio

Package: SOP-8 (Small Outline Package)

Essence: The UDA1355H/N2,557 is a high-quality audio DAC designed for various audio applications.

Packaging/Quantity: The UDA1355H/N2,557 is typically sold in reels containing 2500 units per reel.

Specifications

• Resolution: 16-bit
• Sampling Rate: Up to 48 kHz
• Output Voltage Range: 0.9 Vpp to 2.1 Vpp
• Power Supply Voltage: 3.3 V
• Total Harmonic Distortion + Noise (THD+N): <0.01%
• Dynamic Range: >90 dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The UDA1355H/N2,557 features an SOP-8 package with the following pin configuration:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. SDIN: Serial data input
4. SCLK: Serial clock input
5. LRCK: Left/right channel clock input
6. MUTE: Mute control input
7. VREF: Reference voltage output
8. VOUT: Analog audio output

Functional Features

• High-resolution audio conversion
• Low power consumption for energy efficiency
• Supports multiple sampling rates
• Built-in mute function for audio control
• Provides a stable reference voltage output

Advantages and Disadvantages

Advantages: - High-quality audio conversion - Low power consumption - Compact size for space-constrained applications - Wide dynamic range and low distortion - Versatile sampling rate support

Disadvantages: - Limited resolution (16-bit) - Restricted maximum sampling rate (48 kHz)

Working Principles

The UDA1355H/N2,557 operates by receiving digital audio data through the SDIN pin. The serial clock (SCLK) synchronizes the data transfer, while the left/right channel clock (LRCK) determines the channel information. The internal DAC converts the digital audio into analog signals, which are then amplified and output through the VOUT pin.

Detailed Application Field Plans

The UDA1355H/N2,557 is suitable for various audio applications, including: 1. Consumer electronics: DVD players, home theater systems, portable media players 2. Automotive: Car audio systems, infotainment systems 3. Telecommunications: VoIP phones, conference systems 4. Professional audio equipment: Mixers, amplifiers, audio interfaces

Detailed and Complete Alternative Models

1. PCM5102A: 24-bit audio DAC with higher resolution
2. CS4344: 24-bit audio DAC with lower power consumption
3. AK4490EQ: 32-bit audio DAC with advanced features

These alternative models offer different specifications and features to cater to specific application requirements.

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