AK5388AEQ

AK5388AEQ – 24-Bit 216kHz Quad-Channel Audio ADC – AKM Semiconductor

PCX presents the AK5388AEQ, a high-performance quad-channel audio analog-to-digital converter (ADC) from AKM Semiconductor. Designed for precision audio capture in professional systems, this IC delivers 24-bit resolution at 216kHz sampling rates with ultra-low distortion. Ideal for legacy equipment support or specialized applications requiring multi-channel conversion, PCX ensures genuine obsolete components with reliable same-day shipping and dedicated technical support.

Key Features

• Resolution: 24-bit high-fidelity audio conversion
• Sampling Rate: Up to 216kHz per channel
• Channels: 4 simultaneous input channels
• Interface: I²S digital output
• Voltage Range: Dual supply: 3V–3.6V (Analog) + 4.75V–5.25V (Digital)
• Package: 44-LQFP (10x10mm) surface-mount

Technical Specifications

This specialized audio ADC features independent signal paths for all four channels, minimizing crosstalk. The I²S interface ensures seamless integration with DSPs and digital audio processors. Operating within a -10°C to 70°C temperature range, it maintains signal integrity in commercial-grade environments. Device status is obsolete – contact PCX for lifecycle support options. Download full datasheet.

Typical Applications

• Professional audio mixing consoles
• Multi-channel recording equipment
• Broadcast studio interfaces
• High-end A/V receivers
• Legacy instrumentation systems

About AKM Semiconductor

Asahi Kasei Microdevices (AKM) is a global leader in mixed-signal IC technology, renowned for pioneering high-resolution audio converters and innovative semiconductor solutions. With over 30 years of industry expertise, AKM sets benchmarks in signal-to-noise performance and audio fidelity for professional and consumer markets.

AKM components are trusted by top-tier manufacturers for their rigorous quality control, consistent performance under demanding conditions, and adherence to international standards. Their audio converters remain the gold standard in studio-grade equipment despite advancing technologies.

About Special Purpose ADCs

Special Purpose Analog-to-Digital Converters (ADCs) are engineered for domain-specific signal conversion requirements beyond general-purpose ICs. Audio ADCs like the AK5388AEQ optimize parameters such as dynamic range, THD+N, and channel separation specifically for sound reproduction, enabling studio-grade acoustic precision.

These components are critical in applications demanding uncompromised signal integrity, including live sound reinforcement, mastering systems, and acoustic measurement tools. Their specialized architecture minimizes phase distortion and clock jitter – essential for maintaining timing accuracy across multi-channel setups.

Packaging

Available in protective trays for automated assembly. Contact PCX for reel packaging alternatives.

FAQs

Q: Is this ADC suitable for 96kHz/24-bit recording systems?
A: Yes, it supports sampling rates from 32kHz to 216kHz at full 24-bit resolution.

Q: Why is this part marked obsolete?
A: AKM has discontinued production, but PCX maintains stock for legacy system repairs and long-lifecycle projects.

Q: What replaces the AK5388AEQ in new designs?
A: AKM’s AK5578 series offers upgraded performance. Contact PCX for migration support.

Q: Does it require external voltage regulators?
A: Separate analog (3.3V) and digital (5V) supplies are required – datasheet includes reference schematics.

Q: Can I interface this with XMOS processors?
A: Yes, the I²S output is compatible with most digital audio controllers including XMOS architectures.

Q: Is evaluation hardware available?
A: PCX provides technical documentation for legacy AKM evaluation boards – inquire for details.

Product images are representational – refer to datasheet for exact dimensions.

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