AK5703EN

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AK5703EN

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IC ADC/AUDIO 24BIT 48K 28QFN

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  • 數據表 AK5703EN DataSheet

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規格

屬性 價值
Part Status Obsolete
Type ADC, Audio
Number of Channels 4
Resolution (Bits) 24 b
Sampling Rate (Per Second) 48k
Data Interface I2C, I2S
Voltage Supply Source Analog and Digital
Voltage - Supply 1.6V ~ 3.6V, 2.4V ~ 3.6V
Operating Temperature -30°C ~ 85°C
Mounting Type Surface Mount
Package / Case 28-VFQFN Exposed Pad
Supplier Device Package 28-QFN (4x4)
Base Product Number AK5703

概述

Description

The AK5703EN is a high-performance audio analog-to-digital converter (ADC) from Asahi Kasei Microdevices (AKM). It is designed for high-fidelity audio applications, featuring a 24-bit resolution and a sampling rate of up to 192 kHz. The device is notable for its low power consumption and minimal distortion, making it suitable for portable and battery-operated devices.
The AK5703EN incorporates advanced digital signal processing features, including built-in digital filters, which enhance audio quality by reducing noise and interference. It supports various audio interfaces, including I2S and PCM, allowing for easy integration into different systems. The ADC is ideal for applications in professional audio equipment, consumer electronics, and automotive audio systems.
In summary, the AK5703EN is a versatile and efficient audio ADC that delivers high-quality audio performance and is widely used in modern audio applications.

Equivalent

The AK5703EN is an audio ADC chip. Equivalent products include the Texas Instruments PCM1862, Cirrus Logic CS4270, and Analog Devices AD1938. These alternatives offer similar functionalities such as multi-channel audio conversion and various sample rates. Always check specific datasheets for compatibility and feature alignment.

Features

The AK5703EN is a high-performance audio amplifier designed for portable devices and applications requiring efficient sound output. Key features include:
1. Class-D Architecture: Provides high efficiency and low heat generation, suitable for battery-powered devices.
2. Output Power: Delivers up to 2.5W per channel into a 4Ω load, ensuring robust audio performance.
3. Low THD+N: Maintains high audio fidelity with low total harmonic distortion plus noise, enhancing sound quality.
4. Built-in Protection: Features over-temperature and over-current protection to ensure reliability and longevity.
5. Flexible Power Supply: Operates on a wide voltage range from 3.0V to 5.5V, accommodating various power sources.
6. Integrated Filters: Incorporates output filters to minimize electromagnetic interference and improve audio clarity.
7. Compact Package: Available in a space-saving package ideal for compact designs.
Overall, the AK5703EN is suitable for smartphones, tablets, and other portable audio applications, delivering efficient, high-quality sound.

Pinout

The AK5703EN is a stereo audio ADC (Analog to Digital Converter) with a total of 32 pins. It is primarily used for audio applications in devices like smartphones and digital audio players.
Key functions of the pins include:
1. Power Supply Pins: VDD (power supply) and GND (ground).
2. Analog Input Pins: For audio signal inputs.
3. Digital Interface Pins: I²S or PCM data output, providing the digital representation of the audio signals.
4. Clock and Control Pins: For configuring the ADC and controlling data transfer, including Master Clock (MCLK) and various control signal inputs (e.g., LD, RESET).
5. Reference Pins: For external reference voltage, ensuring stable operation.
The AK5703EN converts input analog audio signals to a digital format while maintaining high fidelity, making it suitable for high-quality audio applications.

Manufacturer

The AK5703EN is manufactured by AKM Semiconductor, Inc., a company specializing in high-performance semiconductor solutions. AKM is known for its expertise in audio, communications, and sensor technologies, offering a range of products including audio converters, digital signal processors, and sensors for various applications. Founded in Japan, AKM focuses on delivering innovative solutions for consumer electronics, automotive, and industrial sectors. The company has a reputation for high-quality audio performance, making it a prominent player in the audio IC market.

Application

The AK5703EN is a low-noise, high-performance analog-to-digital converter (ADC) primarily used in audio applications. Its key areas of application include:
1. Professional Audio Equipment: For high-fidelity audio recording and processing.
2. Consumer Audio Devices: Such as digital audio players and home theater systems.
3. Voice Recognition Systems: Enhancing speech clarity in smart devices.
4. Telecommunications: For high-quality voice transmission.
5. Medical Devices: In diagnostic equipment requiring precise audio signals.
Its features make it suitable for any application requiring accurate sound capture and processing.

Package

The AK5703EN is offered in a LQFP (Low-Profile Quad Flat Package) type package. This package typically features a 48-pin configuration, suitable for surface mounting on PCBs, allowing for efficient space utilization and easy integration into electronic designs.

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