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AK4136VQ

AK4136VQ - 2-Channel 384kHz 32-Bit SRC | AKM

The Asahi Kasei Microsystems AK4136VQ is a 2-channel asynchronous digital audio sample rate converter operating from 8kHz to 384kHz, processing up to 32-bit audio data in a 48-LQFP package. Its internal oscillator eliminates the need for an external master clock when used in asynchronous systems, simplifying clock-domain conversion between source and destination audio devices. A digital sample rate converter, or SRC, is an interface IC that resamples and filters digital audio between clocks with different frequencies. In the product hierarchy, a SRC belongs to digital audio signal-processing ICs and supports audio converters, receivers, network-audio equipment, and test systems. The AK4136 is particularly useful when a transmitter or player uses a different clock domain from the audio source. The AK4136 supports two channels, 32-bit audio processing, and input and output sample rates spanning 8kHz through 384kHz. According to the manufacturer datasheet, its internal oscillator means that external master clocks are not required for asynchronous conversion. This can reduce clock-tree complexity, although the converter still requires correct power, ground, digital-interface, and signal-integrity implementation. The 32-bit format and 384kHz maximum rate suit high-resolution audio paths, studio equipment, broadcast infrastructure, digital audio workstations, and consumer systems that need format or clock-domain adaptation. A practical design must still account for required input and output formats, supported clock configurations, filter behavior, grounding, decoupling, and signal routing; those details must be checked in the complete manufacturer documentation. The principal design consideration is integration. The AK4136VQ can simplify systems where input and output rates are unrelated because its internal oscillator supports asynchronous operation. This avoids one external master-clock source, but it does not eliminate the need for stable local supplies, short digital traces, controlled return paths, and verification of the converter configuration during startup. This page consolidates the verified manufacturer datasheet, distributor availability, package information, technical search context, and practical engineering guidance. It intentionally avoids asserting electrical, pin, lifecycle, or drop-in replacement details that were not present in the supplied source data.

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AK4137EQ

AK4137EQ - 2-Channel 32-Bit 768kHz Audio SRC | AKM

The Asahi Kasei Microdevices AK4137EQ is a two-channel digital sample rate converter supporting input and output sample rates from 8kHz to 768kHz, with 32-bit processing and PCM-DSD conversion capability in a 48-LQFP 7x7 mm package. It is designed for high-end audio systems, USB-DACs, and digital-audio equipment that must reconcile different sampling domains. A digital sample rate converter is an interface IC that resamples or changes the clock rate of digital audio data between incompatible source and destination rates. The AK4137EQ includes an internal oscillator, so it does not require an external master clock for its asynchronous conversion operation. This simplifies system configuration when the source and destination audio domains use unrelated clocks. Key features include two-channel operation, 32-bit sample processing, asynchronous conversion, input and output rates spanning 8kHz to 768kHz, and PCM-DSD data conversion. The internal oscillator reduces external clock infrastructure, while the broad sample-rate range supports professional audio, USB-DAC, and multirate digital-audio designs. The device is supplied in a 48-LQFP package identified by DigiKey as 48-LQFP (7x7). The AK4137EQ is intended for applications where audio data arrives from a source clock domain and must be delivered to a DAC, decoder, recorder, or other digital-audio subsystem operating at another rate. Its sample-rate flexibility makes it useful for format bridging, asynchronous playback paths, and PCM-to-DSD or DSD-to-PCM conversion as described by the manufacturer. Designers should verify the complete pinout, interface logic, clock requirements, supported audio formats, control signaling, and electrical limits against the manufacturer datasheet before layout or firmware implementation. The available verified sources do not provide complete pricing, pin-level assignments, or detailed timing tables, so those values remain data-needed rather than inferred.

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AK4181A

AK4181A - 4-Wire Touch Screen Controller, 12-bit SAR ADC | AKM

The AKM AK4181A is a 4-wire resistive touch screen controller that integrates a 12-bit successive-approximation-register (SAR) analog-to-digital converter with a maximum sampling frequency of 125 kHz. Housed in a compact TSSOP surface-mount package, the AK4181A detects pressed-screen coordinates by performing two successive A/D conversions on the touch-panel analog signals and also measures pen-pressure (Z-axis) touch force. A touch screen controller is a mixed-signal data-acquisition IC that bridges a 4-wire resistive touch panel and an embedded host MCU. The AK4181A sits in the broader signal-chain hierarchy as: touch-screen controller -> resistive-touch digitizer -> data-acquisition IC -> analog front-end -> semiconductor. By handling the analog measurement locally and presenting digital results to the host, the part removes analog switching and biasing complexity from the host firmware, an essential role in any handheld, HMI, or industrial-control system using legacy resistive panels. Key features include pen-pressure measurement (Z-axis), an on-chip thermal sensor for system-temperature monitoring, two auxiliary analog input channels for general-purpose ADC use, direct battery-voltage measurement, an on-chip 2.5 V voltage reference, and a 12-bit SAR ADC with integrated sample-and-hold. The low-power architecture supports battery-powered handheld designs, while the direct-battery-measurement channel allows the host to monitor its own supply without extra external dividers. Typical applications include resistive-touch human-machine interfaces (HMIs), handheld data terminals, industrial control panels, point-of-sale (POS) terminals, consumer electronics with resistive touch, and portable instrumentation. The auxiliary ADC inputs and on-die temperature sensor make the AK4181A useful even in systems that do not require touch input. Design consideration: the 4-wire resistive interface requires proper PCB routing to keep the X/Y drive signals away from noisy digital traces, and the SAR converter's 125 kHz maximum sampling rate limits touch-report rates to roughly a few hundred Hz. Designers should also account for the part's TSSOP thermal envelope and ESD handling at the panel connector. This page synthesizes distributor pricing, drop-in alternatives, application examples, and practical design notes not found in the manufacturer datasheet alone - giving engineers a one-stop reference for evaluating the AK4181A in new designs and as a replacement candidate in legacy 4-wire touch systems.

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AK4358VQ

AK4358VQ 8-Channel 24-Bit 192kHz DAC | Asahi Kasei

The Asahi Kasei Microdevices AK4358VQ is an eight-channel, 24-bit audio digital-to-analog converter designed for high-resolution PCM and DSD playback. It supports sampling frequencies up to 192 kHz, accepts I2S digital audio data, and is packaged in a 48-LQFP package measuring 7 mm by 7 mm. The converter uses AKM's advanced multibit modulator architecture to balance dynamic range, linearity, and THD+N performance. An audio DAC is a signal-conversion IC that transforms digital PCM or DSD audio samples into continuous analog voltage signals for downstream amplifiers, headphones, line outputs, or powered speakers. Within the broader semiconductor hierarchy, the AK4358VQ is an ADC/DAC converter, an interface IC, and a signal-processing device. Its eight-channel architecture allows one converter to serve multichannel audio systems without requiring eight separate stereo output stages. The AK4358VQ provides 24-bit resolution and operation up to 192 kHz, making it suitable for CD-quality playback, high-resolution audio equipment, multichannel digital mixers, and systems requiring DSD input. Its eight-channel organization reduces system-level routing complexity when a design must support several simultaneous analog outputs. The 48-LQFP package also provides ample perimeter pins for multi-channel analog, digital, clock, and power connections. AKM's advanced multibit modulator architecture is central to the converter's audio performance. A multibit delta-sigma implementation shapes quantization noise outside the audible signal band and supports high linearity when paired with an appropriate analog output stage. The AK4358 is also identified as an eight-channel 112 dB DAC for PCM and DSD applications, making its specifications relevant to demanding digital-to-analog conversion designs. Typical uses include professional audio equipment, multichannel home-theater processors, digital mixing consoles, USB and network audio systems, and multichannel consumer electronics. In each case, the device can receive digital audio through its I2S interface and produce eight balanced or unbalanced analog channels, depending on the external application circuit and output architecture. A careful design should use the manufacturer's pin-description and application-circuit tables when assigning traces, grounding analog and digital return paths, and selecting bypass components. Clock routing, MCLK/LRCK/SCK synchronization, and analog-output filtering are equally important because correct digital timing does not by itself guarantee low-distortion analog performance. This page consolidates the verified AK4358VQ identity, package, resolution, channel count, sampling-rate, interface, and DSD characteristics with practical design guidance. It also distinguishes verified drop-in substitutes from parts that are only functionally similar, helping engineers avoid assuming that an audio converter with similar output counts is pin-compatible.

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AK4373EN

AK4373EN - 24-Bit Stereo DAC with HP/SPK Amp | AKM

The Asahi Kasei Microdevices AK4373EN is a low-power stereo 24-bit digital-to-analog converter with an integrated stereo headphone amplifier and monaural speaker driver in a 32-QFN 5 x 5 mm package. It supports I2S audio input, digital signal processing, and 48 kHz operation, making it suitable for portable audio systems, game consoles, dedicated headphone equipment, navigation products, and portable media players. An audio DAC is a signal-conversion integrated circuit that transforms digital audio samples into analog voltage signals. The AK4373EN combines three functions in one device: a stereo DAC, a stereo headphone amplifier, and a monaural speaker driver. This integration reduces the number of external analog-output blocks in portable equipment and allows the output stages to be configured for different audio use cases. The device provides 24-bit digital audio resolution with support for 48 kHz sampling and an I2S interface. These parameters are suitable for consumer audio playback paths where a compact digital interface and low-power implementation are priorities. The integrated headphone and speaker drivers allow the same converter platform to support headphones, a speaker, or other line-level audio destinations when the application circuit is configured accordingly. AK4373EN also includes digital signal-processing functionality associated with the AK4373 family. The manufacturer describes configurable output-driver use cases, allowing portable equipment designers to select operating arrangements suited to different playback conditions. The digital interface and control registers support integration with a host processor or audio controller, while the integrated analog output stages reduce board area compared with separate DAC and amplifier implementations. Typical uses include game consoles, dedicated headphone drivers, personal navigation devices, portable media players, and other portable-audio or media-player products. In these systems, the AK4373EN can provide a single audio conversion and output solution for a stereo headphone connection or a monaural speaker path. The 32-QFN 5 x 5 mm package is suitable for compact boards, although its exposed-pad construction requires careful PCB land-pattern and thermal design. When designing around the AK4373EN, verify the manufacturer pin description table, supported digital interface modes, analog output configuration, power sequencing, and bypass requirements before laying out the PCB. Keep analog output routing short, place required bypass capacitors close to their associated pins, and follow the package land pattern and exposed-pad soldering recommendations. This page consolidates the device identity, manufacturer documentation, sourcing references, and application guidance for engineers evaluating the AK4373EN.

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AK4384ET

AK4384ET - 24-Bit 192kHz Stereo DAC | Asahi Kasei

The Asahi Kasei Microdevices AK4384ET is a 24-bit, two-channel audio DAC with a 106 dB dynamic range and operation up to 192 kHz, packaged in a 16-pin TSSOP with 0.65 mm pitch. It accepts I2S digital audio and is intended for compact, cost-sensitive audio systems that require a high-performance stereo conversion stage. An audio DAC is a signal-conversion integrated circuit in the ADC/DAC category. Its function is to transform digital audio samples into an analog voltage suitable for a downstream headphone amplifier, line amplifier, mixer, or speaker system. Within the broader semiconductor hierarchy, an AK4384ET DAC belongs to the ADC/DAC class of data-conversion ICs, where resolution, dynamic range, linearity, clocking, and output filtering determine how faithfully digital audio is reproduced. The AK4384ET provides a 24-bit conversion resolution, 106 dB dynamic range, and support for sampling rates through 192 kHz. Its two-channel architecture allows simultaneous stereo playback while reducing the number of external conversion devices required. The manufacturer describes the device as a cost-and-performance solution for audio systems and uses a multibit modulator architecture to preserve linearity and improve THD+N performance. The AK4384ET uses AKM's multibit DAC architecture rather than being characterized as a basic one-bit converter. This architecture is designed to balance wide dynamic range with improved linearity. Digital audio enters through I2S-compatible logic, while the analog output stage requires appropriate filtering and signal-chain design to achieve the intended channel separation, distortion, and noise performance in the finished equipment. Typical applications include compact digital audio players, consumer audio equipment, digital mixing consoles, computer-audio accessories, and other stereo playback products. The 16-pin TSSOP package supports conventional surface-mount assembly, while the 192 kHz capability accommodates applications that require high-resolution PCM source material. Integration into a complete product also requires correct clocking, grounding, output filtering, and analog-output implementation. During PCB design, place the device close to its digital-audio source and analog output circuitry to minimize sensitive-signal routing lengths. Follow the manufacturer pin-description table for power, ground, clock, data, and analog-output connections. Decoupling and analog-filter component values should be taken directly from the manufacturer reference circuit rather than inferred from generic audio-DAC layouts. This page consolidates the exact AK4384ET identity, package information, resolution, channel count, sampling-rate capability, and documented conversion characteristics into an engineering-focused selection guide. It also separates confirmed attributes from parameters that require confirmation from the manufacturer datasheet, helping designers assess fit before beginning a layout, prototype, or production qualification.

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AK4385ET

AK4385ET - 24-Bit 192kHz Stereo DAC | AKM

The Asahi Kasei Microdevices/AKM AK4385ET is a 24-bit, 192 kHz, two-channel delta-sigma digital-to-analog converter with a 108 dB dynamic range and an I2S interface, housed in a 16-pin TSSOP package with 0.65 mm pitch. It supports a 5 V supply and operating temperatures from -20°C to +85°C. A digital-to-analog converter, or DAC, converts digital audio samples into an analog voltage suitable for audio amplification, headphones, speakers, line-level inputs, or digital recording equipment. Within the broader semiconductor hierarchy, the AK4385ET is an audio data-converter IC and a specialized member of the ADC/DAC family. Its two-channel architecture supports stereo audio conversion without requiring two separate external DAC packages. The principal performance characteristics are 24-bit resolution, a maximum sampling rate of 192 kHz, 108 dB dynamic range, and full differential SCF outputs. The 24-bit interface accommodates high-resolution digital audio data, while the 192 kHz capability supports high-rate studio, mastering, broadcast, and consumer applications. Full differential outputs can also remove the need for AC-coupling capacitors in suitable output networks. AKM describes the AK4385 as using a multibit modulator architecture to preserve linearity and improve THD+N performance. The I2S interface makes the device suitable for systems that transmit PCM audio data from a digital audio processor, receiver, decoder, or source. The compact 16-pin TSSOP outline supports surface-mount assembly while providing separate connections for the two-channel interface, supplies, clock signals, and analog outputs. Typical uses include professional digital mixers, multichannel audio processors, high-resolution music players, home-theater equipment, recording interfaces, and digital audio monitoring. In stereo systems, the converter can provide left and right analog outputs from a common digital source. In multichannel equipment, several devices may be used when more than two channels are required, subject to the interface and clock design described in the manufacturer datasheet. Designers should follow the pin-description table, recommended application circuit, and interface timing diagrams in the AK4385 datasheet before assigning PCB signals. Keep the digital clock and data traces away from the analog outputs, use the specified decoupling arrangement, and observe the required relationship between the audio master clock and the I2S source clock. The differential outputs should use the manufacturer-recommended load and reconstruction network rather than an improvised output stage. This product page combines the exact AK4385ET specifications, package information, interface characteristics, application guidance, and design cautions needed to evaluate the converter before schematic capture. It also highlights where the datasheet must be consulted for the complete pin map, timing limits, recommended circuit, and electrical-characteristic test conditions.

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AK4386ET

AK4386ET - 24-Bit 96kHz Stereo Audio DAC | AKM

AKM Semiconductor AK4386ET is a 24-bit, two-channel, low-voltage, low-power stereo delta-sigma digital-to-analog converter with a 96 kHz sampling rate and an I2S interface, housed in a 16-pin TSSOP package. It achieves 100 dB dynamic range during 3 V operation. A stereo DAC converts digital audio samples into left- and right-channel analog signals for subsequent amplification and speaker or headphone drive. The AK4386 belongs to the delta-sigma DAC hierarchy, where a multi-bit internal architecture and digital reconstruction filters shape the output waveform. This component therefore fits between an audio source and an analog output stage in portable, home-audio, set-top-box, and similar digital audio systems. The AK4386 uses AKM's Advanced Multi-Bit Delta-Sigma architecture. According to the AK4386 manufacturer datasheet, this architecture provides a dynamic range of 100 dB at a 3 V supply. The device combines SCF and CTF filters to improve performance in systems experiencing excessive clock jitter. Its 24-bit resolution supports high-resolution digital audio, while the two-channel organization covers standard stereo playback in one compact device. The AK4386 operates from a single supply in the 2.2 V to 3.6 V range, making it appropriate for low-voltage portable equipment. Its electrical interface includes I2S, a common serial format for transferring audio data between digital signal processors, audio processors, and converters. The datasheet identifies the AK4386 as a low-voltage, low-power component designed for portable audio systems including MP3 equipment, as well as home-audio systems such as set-top boxes. Typical uses include portable music players, home-audio equipment, digital set-top boxes, game-console audio paths, and other embedded stereo audio products. The 16-pin TSSOP package supports conventional surface-mount assembly, while a 0.650 mm pin pitch provides a compact footprint for space-constrained boards. The reel packaging format is intended for automated component placement and high-volume production. When designing a circuit around the AK4386, treat clock quality, supply stability, and analog-output grounding as integral parts of the audio path. Keep the converter and its decoupling close to the audio source, follow the manufacturer pin-description table for every connection, and reserve quiet analog routing for the left- and right-channel outputs. Digital and analog return currents should not share a noisy path. This page consolidates the AK4386ET electrical characteristics, package information, application guidance, pin-data status, and drop-in-replacement analysis. It also identifies where engineering decisions depend on the manufacturer datasheet, including clocking, filter configuration, analog output implementation, and PCB layout.

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AK4388VT

AK4388VT - 24-Bit 192kHz Stereo DAC | Asahi Kasei

Asahi Kasei Microdevices AK4388VT is a 24-bit, 192kHz, two-channel digital-to-analog converter for high-performance audio systems. It uses AKM's multibit modulator architecture to provide a wide dynamic range and strong linearity while targeting cost-sensitive consumer and professional audio equipment. The device is supplied in tape-and-reel packaging for automated surface-mount assembly. A DAC is a digital-to-analog converter, a category of audio signal-conversion IC that transforms digital audio samples into an analog voltage suitable for headphone, line-level, or power-amplifier inputs. Within the broader product hierarchy, the AK4388VT belongs to the ADC/DAC class of integrated circuits and supports digital-audio signal chains that require simultaneous conversion of two channels. The AK4388's headline capabilities are 24-bit resolution, a maximum sampling frequency of 192kHz, and two-channel output. These specifications make the converter suitable for hi-fi playback, home-theater equipment, digital mixing, USB audio interfaces, and powered speakers. The dual-channel architecture allows left and right program channels to be converted through one integrated device while retaining a compact surface-mount footprint. AKM's multibit modulator architecture is intended to balance dynamic range, linearity, and implementation cost. Unlike a simple binary-weighted converter, a multibit approach can reduce quantization-related distortion and support improved THD+N performance. The AK4388 is therefore positioned between basic consumer converters and more specialized audio DACs used in high-end measurement equipment. Typical applications include consumer hi-fi playback, compact home-theater systems, active speakers, digital audio mixers, and multi-channel audio products with stereo output stages. In these systems, the converter accepts interleaved digital audio data and produces left and right analog outputs. The host processor or audio interface must supply a compatible digital interface, while the analog section must provide appropriate filtering, grounding, and output amplification. The primary design consideration is matching the digital interface, clocking, and analog implementation to the manufacturer's application guidance. Keep power and ground connections short, place decoupling capacitors close to the device, and use a clean low-noise supply because converter performance can be affected by clock jitter, reference quality, PCB return paths, and analog-output loading. This product page organizes the verified AK4388VT characteristics, sourcing information, design guidance, application context, and compatibility limitations into one engineering reference. It also distinguishes confirmed device identity from parameters that require consultation of the manufacturer datasheet before schematic release or production qualification.

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AK4393VF

AK4393VF - 24-Bit Stereo Audio DAC | Asahi Kasei Microdevices

The Asahi Kasei Microdevices AK4393VF is a 24-bit stereo delta-sigma digital-to-analog converter with a 3 V to 5.25 V analog and digital supply range, I2S audio input, and a 28-pin VSOP package. The manufacturer positions the device for high-performance digital audio, including DAT and DVD applications using its advanced multi-bit delta-sigma architecture. An audio DAC is a converter that transforms digital PCM samples into analog voltage signals suitable for audio amplification and speaker systems. The AK4393VF belongs to the digital-to-analog converter hierarchy, where it combines a digital interface, digital filtering, a multi-bit delta-sigma modulator, and analog output stages. Its stereo architecture supports two audio channels while maintaining a 24-bit digital data path for high-resolution audio systems. The principal features include 24-bit resolution, a stereo delta-sigma conversion structure, I2S digital audio input, and operation from a 3 V to 5.25 V supply. Manufacturer material describes the device as a high-performance DAC for 96 kHz sampling applications, while distributor product information identifies a maximum sampling rate of 108 kHz for the exact AK4393VF orderable variant. These figures should be used according to the operating mode and interface configuration specified in the manufacturer datasheet. The advanced multi-bit delta-sigma architecture is central to the converter design. Instead of relying on a conventional single-bit approach, the multi-bit system is intended to provide wider dynamic range while retaining low distortion. The integrated 24-bit digital filter performs decimation and band-limiting of the incoming PCM stream, helping reduce aliasing and out-of-band noise before the signal reaches the analog output stage. Typical applications include CD and DVD audio players, DAT equipment, digital mixing consoles, home-theater audio processors, and other multichannel or stereo systems requiring a dedicated 24-bit DAC. The I2S interface simplifies connection to digital audio transceivers, receivers, and processors, while the dual analog outputs support conventional left-right signal routing. External analog filtering and output-stage design remain important because the complete audio path determines the final channel separation, noise floor, and distortion performance. When laying out the board, place the digital interface, analog output, ground-return, and decoupling connections according to the pin-description table and application circuit in the manufacturer datasheet. Analog and digital ground domains should be connected at the recommended analog reference point. Decoupling capacitors should be positioned close to their supply pins, and the analog output traces should remain short and physically separated from clock and data lines to reduce coupling into the reconstructed audio signal. This page combines manufacturer-device positioning, exact AK4393VF catalog attributes, package information, application guidance, and comparison-oriented selection criteria. It also distinguishes the verified ordering information from parameters that require confirmation in the manufacturer datasheet, helping engineers move quickly from component identification to board-level validation.

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AK4393VM

AK4393VM - 24-Bit 108kHz Stereo DAC | Asahi Kasei

Asahi Kasei AK4393VM is a 24-bit stereo audio digital-to-analog converter with a maximum sampling rate of 108 kHz, an I2S digital interface, and a 28-pin SSOP package. The device uses an advanced multi-bit delta-sigma modulator architecture to provide a wider dynamic range while retaining the low-distortion characteristics associated with high-performance audio converters. It also incorporates a 24-bit digital filter and is designed for DAT, DVD, and other professional and consumer audio systems. An audio DAC is a signal-conversion integrated circuit that reconstructs continuous analog voltages from digital audio samples. Within the signal-chain hierarchy, the AK4393VM belongs to the ADC/DAC class of data-converter ICs and supports digital audio systems, home theater, digital recording equipment, and high-fidelity playback. Its 2-channel architecture converts left and right digital streams into balanced or unbalanced analog outputs through the application circuit. Key features include 24-bit resolution, operation up to 108 kHz, stereo output, an I2S interface, an integrated 24-bit digital filter, and the advanced multi-bit delta-sigma architecture. The multi-bit approach is significant because it spreads quantization error across multiple internal bits, supporting improved dynamic-range performance without abandoning the fundamental advantages of delta-sigma conversion. The 28-SSOP package supports conventional surface-mount PCB assembly. The AK4393VM is intended for digital audio paths requiring separate left and right conversion channels and a standard serial digital interface. Its architecture is particularly relevant to source equipment operating at ordinary CD, DVD, DAT, and related high-resolution audio rates. Because the converter includes a digital filter, system designers should review the manufacturer’s timing and filter recommendations when configuring clocking, filtering, and digital signal routing. Typical applications include professional DAT equipment, DVD-audio and home-theater systems, digital mixing consoles, multichannel audio processors, sampling workstations, and high-fidelity consumer playback equipment. For designs with digital-domain processing, the AK4393VM can serve as the final stereo conversion stage after decoding, mixing, or sample-rate-conversion functions. The most important design consideration is preserving the converter’s recommended analog and digital layout. Keep the I2S clock and data routing short, use clean grounding between digital and analog sections, and follow the manufacturer’s output-filter and reference-component recommendations. Analog output impedance, load capacitance, and clock jitter can affect measured channel performance even when the digital data is valid. This product page consolidates the AK4393VM architecture, interface information, package details, application guidance, and compatible replacement information into an engineering-focused reference for audio-product designers, procurement teams, and PCB layout engineers.

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AK4395VF

AK4395VF 24-Bit 192kHz Stereo DAC | Asahi Kasei

The Asahi Kasei Microdevices AK4395VF is a high-performance stereo audio digital-to-analog converter with 24-bit resolution, operation up to a 192 kHz sampling rate, and a 28-VSOP package. Its architecture includes a 24-bit digital filter and a multibit delta-sigma modulator, while the analog and digital sections operate from a 5 V supply. The manufacturer identifies the device as a premium DAC for DVD-Audio and other high-resolution audio systems. An audio DAC is the final digital-to-analog conversion stage in a playback chain. It converts I2S-formatted digital samples into left and right analog voltages suitable for headphone or line-output amplifiers. Within the component hierarchy, the AK4395VF is an audio DAC, which belongs to the broader ADC/DAC and signal-conversion IC category used in digital audio equipment. The principal features include 24-bit data resolution, a maximum sampling frequency of 192 kHz, stereo operation, I2S digital audio input, a 5 V supply, and digital-filter stopband attenuation of at least 110 dB. The high stopband attenuation is significant because it suppresses out-of-band noise and aliasing energy that could otherwise appear near the audio baseband after digital-to-analog conversion. Internally, the AK4395VF combines a 24-bit digital filter with a multibit delta-sigma conversion architecture. The digital filter provides sharp transition characteristics for high-resolution PCM streams, while the stereo converter produces separate left- and right-channel analog outputs. This combination targets applications requiring faithful reproduction of 44.1 kHz, 48 kHz, 96 kHz, 176.4 kHz, and 192 kHz source material, subject to the interface and system clock implementation. Typical applications include high-resolution DVD-Audio players, premium CD and network-audio players, digital audio decoding boards, professional audio interfaces, and two-channel headphone or line-output stages. The 192 kHz capability is particularly relevant to studio masters and archival playback systems, while the 110 dB or greater filter attenuation helps reduce wideband aliasing noise. The 28-VSOP package requires a stable, low-noise 5 V supply and careful analog-output routing. Keep digital and analog return paths separated, use short traces around the converter, and follow the manufacturer pin-description and application-circuit tables when assigning power, ground, clock, and I2S signals. The exact pinout, output topology, and external component requirements should be taken directly from the AK4395VF datasheet. This page organizes the AK4395VF product information into a technical summary, application guidance, specification comparisons, and practical design notes. It is intended to help engineers identify the correct resolution, sampling-rate, interface, package, and supply requirements before integrating the converter into a high-resolution audio design.

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AK4396VF

AK4396VF - 24-Bit Stereo 192kHz DAC | AKM | VSOP-28

Asahi Kasei Microdevices AK4396VF is a high-performance, two-channel advanced multi-bit delta-sigma digital-to-analog converter designed for 192 kHz DVD-Audio operation. The device supports 24-bit digital audio and is supplied in a 28-pin VSOP package with a 0.65 mm pitch. Its architecture combines an advanced multi-bit delta-sigma system with a 24-bit digital filter, positioning it for high-fidelity stereo audio equipment. A digital-to-analog converter is an interface IC that converts digital audio samples into proportional analog voltages or currents. Within the signal-chain hierarchy, a DAC sits between a digital audio source and an analog output stage. The AK4396VF is a stereo DAC, meaning that one package provides two audio conversion channels for applications such as CD players, DVD-Audio systems, network-audio receivers, and premium consumer audio equipment. The headline capabilities of the AK4396VF are 24-bit resolution, operation up to a 192 kHz sampling rate, and two-channel audio conversion. The 24-bit format provides substantially more code values than conventional CD audio, while the 192 kHz capability supports high-resolution digital audio sources. The advanced multi-bit delta-sigma implementation is intended to improve conversion performance while retaining the integration advantages of a compact mixed-signal IC. The AK4396 is designed around separate analog and digital supply concepts, including dedicated reference and power-related connections. Its digital filter forms part of the signal path and requires the correct clocking and digital-audio interface configuration. The manufacturer documentation identifies the AK4396VF as a 28-pin VSOP device intended for surface-mount assembly, with an indicated operating temperature range of -40°C to +85°C. Typical uses include high-resolution CD and DVD-Audio players, digital audio amplifiers, home-theater equipment, professional monitoring electronics, and multi-channel audio systems using multiple DAC channels or devices. In each case, the device requires a clean analog supply, appropriate reference voltage, compliant input clocks, and an output-stage design matched to the DAC’s analog outputs. Designers should preserve the analog and digital grounding strategy specified by the manufacturer, place decoupling capacitors close to their associated supply pins, and treat the reference and analog-output nodes as sensitive paths. Clock source and filter configuration also determine whether the device operates in its intended audio mode. Consult the manufacturer’s pin-description and application sections before assigning tracks on a new board. This product record combines the AK4396VF device description, family comparison information, package identification, and practical design guidance in one engineering-focused reference. It also distinguishes confirmed drop-in options from related converters that require additional compatibility verification.

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AK4399EQ

AK4399EQ - 32-Bit 216kHz DSD Audio DAC | Asahi Kasei

The Asahi Kasei Microdevices AK4399EQ is a high-performance 32-bit audio digital-to-analog converter rated for sampling rates up to 216 kHz, with DSD support, I2S/serial digital audio input and a 44-pin LQFP (10 x 10 mm) surface-mount package. It is specified at 123 dB dynamic range for low-distortion, wide-range playback and targets DVD-Audio-class and high-resolution networked audio sources. A DAC, or digital-to-analog converter, is the data converter that turns digital audio sample streams into a continuous analog voltage that can drive amplifiers, headphones or line inputs. Within the semiconductor hierarchy, a DAC sits under audio data converter, then data converter IC, then integrated circuit. The AK4399 belongs to the family of premium stand-alone stereo DACs rather than integrated audio codecs, which lets a designer keep the digital source and the analog output stage architecturally separate. Key features include a 32-bit internal digital filter designed for low distortion and wide dynamic range, 216 kHz maximum sample-rate operation, DSD decoding capability, serial (I2S-compatible) digital audio input, and a compact 44-LQFP surface-mount package with 0.80 mm lead pitch. The device is supplied lead-free and is a surface-mount part suited to automated assembly. Architecturally, the AK4399 separates the digital decoding stage from the analog output stage so that switching noise in the digital domain is rejected before reaching the output pins. The internal 32-bit digital filter is the element that shapes the audio band and limits aliasing, while the analog section determines the final distortion and dynamic-range floor. Because it is a discrete converter rather than a codec, it accepts digital audio from any upstream source - a network streamer, a USB interface, a Blu-ray or CD transport, or a digital mixer - without imposing that source's DAC. Typical applications include high-end network streamers, USB audio interfaces, digital preamplifiers, CD and SACD transports, USB DAC boards, hi-fi headphone output stages and professional monitoring consoles. The 123 dB dynamic-range figure suits designs where the DAC is expected to be the limiting element in the signal chain. When designing around the AK4399EQ, keep analog and digital return currents separated, provide clean regulated supplies with local decoupling close to the supply pins, and treat the analog output as a high-impedance load. Confirm the clocking scheme and master/slave relationship with the upstream digital source, since interlock and word-clock errors are the most common cause of audible noise and clicks. This page consolidates manufacturer description data, distributor availability records, a pin-compatible comparison table and practical design notes so that engineers can evaluate the AK4399EQ against premium 32-bit DAC alternatives without reconstructing the same information from multiple sources.

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AK4413EQ

AK4413EQ - 120dB 24-Bit 4ch Audio DAC | Asahi Kasei

The Asahi Kasei Microdevices AK4413EQ is a high-performance four-channel audio digital-to-analog converter (DAC) delivering 120 dB dynamic range with 24-bit resolution and operation up to 216 kHz, housed in a 44-pin LQFP surface-mount package. It accepts I2S-format digital audio data and provides four independent analog output channels suitable for multi-channel consumer and professional audio equipment. An audio DAC is the final conversion stage in a digital audio signal chain, transforming I2S or other digital audio words into analog voltage signals that drive amplifiers, headphones, or line-level inputs. The DAC sits in the broader hierarchy of data-converter integrated circuits, alongside ADCs, and ultimately within the semiconductor and signal-processing domains that define modern audio playback, recording, and broadcast hardware. Key features of the AK4413EQ include its 120 dB dynamic range figure, which sets the noise floor and usable signal-to-noise ratio for the analog outputs, and 24-bit word-length handling that preserves the full depth of high-resolution source material. Four-channel output allows a single device to serve surround playback, multi-zone listening, headphone plus line-out systems, or digital mixing consoles without requiring four separate converter packages. Architecturally, the AK4413EQ combines a high-performance switched-capacitor output stage with a low-noise internal reference and digital interpolation/filtering for decimation of the incoming high-rate stream. Because it supports sampling rates up to 216 kHz, the converter handles oversampled source material used in high-resolution and mastering workflows where standard 44.1 kHz or 48 kHz rates would not suffice. Typical applications include AV receivers, USB and network audio players, digital mixing consoles, professional monitors, automotive head units, and headphone DAC/DSP platforms. For each of these, the four-channel architecture and high dynamic range reduce the number of discrete converter boards needed. One key design consideration is that the AK4413EQ requires careful analog and digital layout separation, with short, low-impedance routing from the digital interface to the DAC and a clean, star-grounded analog output section. Filter and output capacitors should be placed directly at the relevant pins to minimize added noise and distortion. This page organizes the AK4413EQ specifications, drop-in conversion alternatives, package details, and practical design guidance into a single engineering reference that supports part selection, schematic review, and sourcing decisions.

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AK4420ET

AK4420ET - 24-Bit 192kHz Stereo DAC | AKM | Audio

Asahi Kasei Microdevices/AKM AK4420ET is a 24-bit stereo delta-sigma digital-to-analog converter with support for audio sampling rates up to 192 kHz, an integrated 2 Vrms output buffer, and a 16-pin TSSOP package. The converter operates from a 5 V supply and accepts I2S-format digital audio data. An audio DAC is a data converter that transforms digital PCM samples into an analog voltage suitable for amplification or line-level output. In the electronic-component hierarchy, the AK4420ET belongs to the DAC family, falls within data converters and audio ICs, and ultimately serves as a semiconductor interface between digital audio systems and analog audio signal chains. The AK4420ET's headline features include 24-bit resolution, operation up to 192 kHz, two audio output channels, and a 2 Vrms output stage. Its integrated output buffer uses a charge pump to develop an internal negative supply rail, supporting a ground-referenced 2 Vrms output. This architecture reduces the external component count compared with a converter that requires discrete output buffering. AKM's multibit modulator architecture is the basis of the conversion engine. The digital input and analog output sections are combined in a compact package intended for high-resolution audio equipment. The available operating details establish the core signal format, supply requirement, channel count, output level, and package dimensions, while other electrical limits should be confirmed against the manufacturer datasheet before final circuit sign-off. Typical uses include CD and DVD player digital-to-analog stages, active speaker crossover networks, professional audio equipment, home theater receivers, and other consumer audio products. The 192 kHz capability is useful for high-resolution source material, while the integrated stereo buffer simplifies analog output implementation when the required signal level is close to 2 Vrms. The main design consideration is analog integration. Keep the digital interface traces compact, provide a stable low-noise 5 V supply, and follow the datasheet's grounding and decoupling layout. The output stage and charge pump can influence power-supply and analog-output behavior, so component placement should preserve short return paths and minimize coupling from switching circuitry into the audio output.

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AK4430ET

AK4430ET - 24-Bit 192kHz Stereo DAC | Asahi Kasei

Asahi Kasei Microdevices AK4430ET is a 3.3 V, 24-bit stereo delta-sigma DAC supporting I2S audio data at up to 192 ksps. The device provides two voltage outputs through an integrated 2 Vrms output buffer and is packaged in a 16-pin TSSOP surface-mount package. Its buffer includes a charge pump that develops an internal negative supply rail, allowing a ground-referenced 2 Vrms stereo output. An audio DAC is a signal-conversion component that accepts digital audio samples and converts them into continuous analog voltages for amplifiers, headphones, powered speakers, or line-level equipment. The AK4430ET belongs to the delta-sigma DAC, audio DAC, digital-to-analog converter, and integrated audio-converter hierarchy. It combines a digital audio interface, a multi-bit modulator-based conversion stage, and analog output buffering within one device. Principal features include 24-bit resolution, a maximum conversion rate of 192 ksps, two DAC channels, bipolar voltage output, and a 3.3 V single-supply operating range of 3 V to 3.6 V. The integrated output buffer supports a 2 Vrms signal level, reducing the need for a separate output-amplifier stage in many conventional line-output designs. A typical signal-to-noise ratio of 104 dB is listed for the device. The multi-bit modulator architecture is intended to preserve linearity and improve total harmonic distortion plus noise performance. A charge pump in the output-buffer section generates the negative internal rail required for ground-referenced output. This architecture allows the converter to produce bipolar analog signals from a single positive supply while maintaining a compact 16-pin TSSOP footprint measuring approximately 4.4 mm by 5 mm. Typical uses include digital audio players, compact hi-fi stereo systems, USB or network audio conversion, multichannel home-audio equipment, and powered-speaker input stages. The I2S interface makes the converter suitable for systems in which a digital audio processor or receiver supplies serialized stereo samples. The integrated buffer is particularly useful where component count, analog-output level, and board area are important design priorities. A critical design consideration is the relationship between the 3 V to 3.6 V supply range, the selected output level, and the downstream amplifier input range. Designers should follow the manufacturer datasheet for pin assignments, supported audio formats, clock requirements, digital-interface voltages, and recommended decoupling. The component must be treated as an obsolete part, so new production designs should normally require an availability and lifecycle review before schematic release. This page organizes the AK4430ET specifications, obsolete-product status, package information, application guidance, comparison framework, and sourcing workflow into one engineering-focused reference. It also identifies the absence of a verified drop-in substitute rather than presenting functionally similar converters as PCB-compatible replacements.

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AK4432VT

AK4432VT - 32-Bit 192kHz Stereo Audio DAC | Asahi Kasei

Asahi Kasei Microdevices AK4432VT is a 32-bit, two-channel advanced audio digital-to-analog converter with operation up to 192 kHz, 108 dB dynamic range, and a 16-pin TSSOP package. The AK4432VT accepts digital audio through an I2S interface and provides single-ended SCF outputs for high-end audio systems. Its operating voltage is 3.0 V to 3.6 V, while its specified operating temperature range extends from -40°C to 105°C. An audio DAC is a converter that transforms digital audio samples into analog voltage signals suitable for headphone amplifiers, line outputs, speakers, and other audio stages. Within the signal-chain hierarchy, the AK4432VT is an audio DAC, a digital-to-analog converter, an interface IC, and ultimately a semiconductor. It sits between a digital audio source and an analog output stage, where accurate conversion and low-noise analog output are central to sound quality. Key features include 32-bit resolution, support for sampling rates up to 192 kHz, 108 dB dynamic range, and two-channel operation. The manufacturer describes the converter as using AKM's VELVET SOUND architecture and a newly developed 32-bit digital filter designed to provide short group delay. Single-ended SCF outputs are intended to improve performance in systems where clock jitter would otherwise degrade conversion quality. The AK4432VT operates from a 3.0 V to 3.6 V supply, covering both its analog and digital operating requirements. The supplied manufacturer information identifies the device as an advanced audio DAC with two channels and I2S data input. Its 16-TSSOP surface-mount package supports compact digital audio products while providing separate digital and analog supply connections for careful PCB partitioning. Typical applications include high-end CD and network audio players, digital music systems, home-theater audio equipment, professional monitoring products, and other stereo DAC designs requiring 192 kHz support. In each case, the AK4432VT converts incoming I2S data into analog signals that can be passed to an output amplifier, analog volume-control stage, or line-level driver. A critical design consideration is maintaining a low-jitter digital clock source and separating analog and digital return paths appropriately. Power and ground routing should follow the manufacturer datasheet's recommended application circuit, while output-stage and filtering choices must preserve the converter's intended signal integrity. Exact pin assignments and external component values must be taken from the manufacturer datasheet rather than inferred from the package outline. This product record combines verified manufacturer specifications, distributor availability, package information, pricing, application guidance, and a drop-in replacement assessment. It distinguishes documented AK4432VT-E2 compatibility from unverified functional alternatives and identifies all unavailable electrical details explicitly instead of estimating them.

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AK4436VN

AK4436VN - 6-Channel 32-Bit Audio DAC | Asahi Kasei Microdevices

The Asahi Kasei Microdevices AK4436VN is a 6-channel, 32-bit audio digital-to-analog converter with a signal-to-noise ratio of 108 dB, support for PCM sampling rates up to 768 kHz, and single-ended SCF outputs in a 32-pin QFN package measuring 5 mm × 5 mm. It is designed for high-resolution multichannel audio systems where accurate digital-to-analog conversion, high dynamic range, and compact board area are important. An audio DAC is a digital-to-analog converter, one member of the broader data-converter IC and signal-conversion hierarchy. It receives digital audio samples from a host or audio interface, reconstructs an analog waveform through internal digital filtering and conversion circuitry, and produces line-level analog outputs for amplifiers, speakers, headphones, or line-input equipment. In a signal chain, it sits between digital audio processing and analog amplification, where its clock behavior, channel count, noise level, and output architecture influence playback quality. The AK4436VN converts six digital channels at up to 32-bit resolution. Its 108 dB signal-to-noise ratio provides a high dynamic range for network-audio, USB-DAC, home-theater, and automotive surround systems. PCM input support extends to 768 kHz, while the manufacturer highlights its newly developed 32-bit digital filter for short group delay. The converter also uses single-ended SCF outputs, a topology intended to improve performance in systems affected by excessive clock jitter. AK4436VN supports I2S digital audio and is described as an advanced audio DAC with six output channels. Its 32-pin QFN construction consolidates a high channel count into a compact surface-mount footprint. The operating principle combines digital filtering, a 32-bit conversion core, and analog output stages so that the digital source can be reproduced with high resolution and low system-level noise. Exact supply ranges, output voltage, clock requirements, and package dimensions should be confirmed in the manufacturer datasheet before schematic release. Typical applications include multichannel home-theater receivers, car-audio surround systems, network-audio players, and USB-DAC products. Six single-ended outputs allow a board to support a complete surround channel set without requiring six separate converter packages, reducing component count and simplifying digital clock distribution. The short-group-delay digital filter can also benefit applications where the audio path must preserve timing and transient detail. For PCB implementation, place the DAC close to its audio output network and maintain short, symmetric routes for each channel. Decoupling capacitors should be positioned at the supply and ground pins according to the manufacturer reference layout. Keep the exposed thermal pad electrically and thermally connected as specified, and route clocks away from sensitive analog output nodes to minimize coupling between digital activity and reconstructed audio. This page consolidates the manufacturer's architectural claims, confirmed product characteristics, application fit, and engineering-oriented design guidance. It also identifies where pin-level, supply, and electrical details must be checked in the official datasheet, helping designers evaluate the AK4436VN before committing it to a multichannel audio architecture.

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AK4438VN

AK4438VN - 8-Channel 32-Bit 768kHz Audio DAC | Asahi Kasei

The Asahi Kasei Microdevices AK4438VN is an 8-channel, 32-bit audio digital-to-analog converter supporting PCM input rates up to 768 kHz, with a dynamic range of 108 dB, in a 32-pin 5 x 5 mm QFN package with an exposed pad. It accepts I2S digital audio and provides eight single-ended SCF analog outputs, making it suitable for high-resolution multichannel audio systems. An audio DAC is a data-converter IC within the broader digital-to-analog converter, converter IC, signal-conversion, and semiconductor hierarchies. It reconstructs continuous analog audio signals from sampled digital data. The AK4438VN targets applications requiring multiple synchronized output channels, high-resolution playback, and accurate reconstruction of network-audio, USB-DAC, automotive, and home-audio content. Principal features include 32-bit resolution, eight output channels, operation up to 768 kHz, and a 108 dB dynamic range. The newly developed 32-bit digital filter is specified for short group delay, which helps the converter reproduce high-resolution source material with reduced temporal smearing. Single-ended SCF outputs are intended to improve performance in systems where excessive clock jitter would otherwise degrade audio performance. The AK4438VN accepts digital audio through an I2S-compatible interface and converts it into eight analog channels. Its dual-rate architecture supports conventional high-resolution audio while extending operation to 768 kHz PCM input rates. The exposed-pad QFN construction provides a thermal and electrical connection between the device and PCB copper, allowing heat to leave the package more effectively when the converter operates continuously at elevated power. Typical uses include multichannel network-audio receivers, USB-DAC platforms, automotive infotainment systems, home-cinema equipment, digital mixing consoles, and multi-zone listening systems. Its eight outputs reduce the need for multiple discrete single-channel converters when several synchronized analog channels are required. The part can also serve evaluation and prototyping platforms for high-sample-rate PCM playback. Designers must provide stable analog and digital supplies, route return currents carefully, and treat the exposed pad as a thermal and ground connection rather than an unused lead. Clock source quality and layout symmetry are important because converter performance can be degraded by supply noise, ground offsets, or data-line timing errors. Decoupling should follow the manufacturer datasheet recommendations closely. This page consolidates the verified AK4438VN specifications, manufacturer and distributor sources, packaging details, application guidance, and a drop-in-alternative verification record. It also distinguishes verified replacement data from unverified generic cross-reference results, helping engineers avoid assuming that similar converter functions guarantee pin compatibility.

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AK4440EF

AK4440EF - 8-Channel 24-Bit 192kHz DAC | Asahi Kasei

Asahi Kasei Microdevices AK4440EF is a high-performance 8-channel audio digital-to-analog converter operating from a 5 V supply and supporting 24-bit audio at up to 192 kHz. Each channel includes an integrated output buffer capable of delivering a ground-referenced 2 Vrms signal. The device is packaged in a 30-VSOP and uses an I2S-compatible digital audio interface. Its multi-bit modulator architecture is designed to preserve linearity while delivering a wide dynamic range and improved total harmonic distortion plus noise performance. An audio DAC is a data converter that transforms digital audio samples into an analog voltage or current. The AK4440EF belongs to the digital-to-analog converter, audio data converter, signal-conversion IC, and power-management-aware semiconductor hierarchy. Unlike a basic resistor-network or delta-sigma converter, this device combines an eight-channel architecture, high-resolution operation, integrated analog output buffers, and a charge-pump-assisted output stage in one package. The AK4440EF accepts 24-bit digital audio data and supports sampling rates up to 192 kHz. Its integrated output buffer generates a 2 Vrms full-scale output referenced to ground. The charge pump develops an internal negative supply rail, allowing the output stage to swing below ground without requiring a negative external analog supply. This architecture is useful in multichannel audio systems where eight balanced or unbalanced analog outputs are required. AKM's multi-bit modulator architecture is the primary technical feature distinguishing this converter from many conventional delta-sigma implementations. The manufacturer describes the architecture as combining wide dynamic range with preserved linearity and improved THD+N performance. Because the analog outputs are integrated, the system designer does not need eight separate output-buffer ICs, reducing circuit area while maintaining consistent channel drive capability. Typical applications include multichannel professional audio equipment, high-end consumer audio systems, AV receivers, digital mixing consoles, surround-sound processors, and audio interface hardware. A 192 kHz sampling capability supports high-resolution playback, while the eight-channel organization is suitable for cinema, music-production, and multi-zone audio architectures. The I2S interface allows the converter to operate directly with compatible digital audio processors. The main design consideration is analog-output implementation. The 2 Vrms capability must be checked against downstream amplifier gain, headphone-driver limits, line-level input ranges, and coupling or filtering requirements. Layout should preserve short, symmetric analog output paths, provide a quiet supply network, and avoid routing digital clock and data signals beneath sensitive analog outputs. Grounding and return paths should follow the manufacturer's recommended application circuit. This product summary combines the verified manufacturer datasheet, package and interface information, architectural details, application analysis, and engineering selection guidance. It also distinguishes confirmed characteristics from specifications that must be confirmed in the datasheet before a precision design is released.

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AK4452VN

AK4452VN - 32-Bit 2ch Premium Audio DAC | AKM

The Asahi Kasei Microdevices AK4452VN is a 32-bit 2-channel premium audio DAC supporting up to 768 kHz PCM and 11.2 MHz DSD input in a 32-QFN 5x5 mm package. It uses AKM's VELVET SOUND architecture with 8-channel digital filter processing and is designed for high-resolution audio sources used in network audio, USB-DAC, and car audio systems. An audio DAC converts digital PCM or DSD streams into an analog voltage suitable for amplification, loudspeakers, headphones, or audio analog-to-digital converters. The AK4452VN belongs to the digital-to-analog converter hierarchy within signal-chain and mixed-signal semiconductor devices. Its premium positioning is intended to preserve fine signal detail while supporting modern high-resolution playback formats. The verified product information identifies a 32-bit resolution, two-channel architecture, 115 dB dynamic-range figure, 768 kHz maximum PCM input rate, 11.2 MHz maximum DSD input rate, and I2S digital audio input. The 32-QFN 5x5 mm package supports compact implementation in premium audio equipment. These features position the device for hi-fi playback, professional monitoring, network streamers, and automotive infotainment systems. The AK4452VN uses eight channels of AKM's VELVET SOUND architecture and 32-bit digital filter processing. The manufacturer describes this combination as an implementation of low-distortion technology intended to improve sound detail and channel consistency. The digital interface supports both high-rate PCM and direct-stream digital sources, allowing one converter to cover conventional CD-rate audio as well as modern high-resolution PCM and DSD material. Typical applications include network audio players, USB-DAC products, car audio systems, premium home-theater equipment, digital mixers, and studio monitoring. In each case, the converter can accept high-resolution digital sources while presenting an analog output to the downstream amplifier or analog signal-chain stage. The component's two-channel organization is especially appropriate for stereo audio rather than multichannel cinema decoding. Designers should evaluate the analog output implementation, supported digital formats, clocking requirements, grounding, and power-supply arrangement against the complete datasheet before layout. The verified data does not specify output topology, reference voltage, supply rails, or detailed decoupling values, so those implementation details must not be inferred from the distributor summary alone. This page consolidates the verified manufacturer and distributor information, distinguishes confirmed capabilities from unavailable specifications, and highlights the need for a complete datasheet review. It also records the absence of verified cross-brand drop-in equivalents instead of presenting functional substitutes as true pin-compatible replacements.

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AK4454VN

AK4454VN - Stereo Audio DAC | Asahi Kasei Microdevices

The AK4454VN from Asahi Kasei Microdevices is a stereo audio digital-to-analog converter in a 32-pin LQFP package. The supplied verification record identifies the exact MPN as AK4454VN, but the associated web-search request timed out before returning a manufacturer datasheet, distributor listing, or parameter table. Consequently, verified electrical values, pricing, package dimensions, and lifecycle details are not presented as confirmed facts on this page. An audio DAC is a mixed-signal semiconductor that converts digital PCM or similar audio data into analog voltage signals suitable for audio amplification, headphone drive, or line-level output. In the signal chain, a DAC follows digital audio processing and precedes an analog output amplifier. Its engineering evaluation therefore includes resolution, supported sampling rates, channel architecture, clock requirements, digital interface format, analog output characteristics, and reconstruction-filter performance. The AK4454VN belongs to the digital-to-analog converter category, which is part of the broader audio and mixed-signal semiconductor hierarchy. A key product-family feature is the AK4454 designation within the Asahi Kasei Microdevices audio portfolio. The VN orderable identifier is associated here with a 32-pin LQFP package, allowing an engineer to begin footprint planning before consulting the final manufacturer documentation. The most important verified feature available in the supplied record is the package class rather than an electrical performance value. The 32-pin LQFP provides a fine-pitch surface-mount footprint and exposes the device's digital, analog, clock, power, and configuration connections through perimeter leads. Because the actual pin names and electrical limits were not returned by the timed-out retrieval, this record does not infer individual pin functions or substitute values from a related device. Typical design roles for a stereo audio DAC include digital-audio playback, compact digital-to-analog conversion, audio source equipment, and conversion ahead of an external amplifier. Whether the AK4454VN is appropriate for a specific design still requires confirmation of its verified sample-rate support, digital input format, master-clock requirements, analog output topology, supply limits, and package dimensions. Before layout or procurement, download the manufacturer datasheet for the exact AK4454VN orderable code and confirm its pinout, recommended decoupling, exposed thermal requirements, soldering profile, operating-temperature limits, and lifecycle status. Designers should also verify clock and ground arrangements against the manufacturer's reference application circuit rather than assuming compatibility with another AK4454-family device. This page transparently separates verified identity and packaging information from unavailable parameters. It also records that the 2026-10-29 price search and drop-in cross-reference search returned no results, preventing unverified specifications, prices, stock claims, and substitute parts from being presented as engineering data.

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AK4456VN

AK4456VN - 32-Bit 6-Channel 768 kHz Audio DAC | AKM

The Asahi Kasei Microdevices AK4456VN is a premium 32-bit, six-channel digital-to-analog converter with support for up to 768 kHz PCM input and 11.2 MHz DSD input, housed in a 48-QFN (7 x 7 mm) package. It uses AKM's VELVET SOUND architecture, combining low-distortion conversion with 32-bit digital filtering for high-resolution audio systems. An audio digital-to-analog converter, or audio DAC, converts digital PCM or DSD data into analog voltage signals suitable for amplification and loudspeaker reproduction. Within the semiconductor hierarchy, an audio DAC is a specialized data-converter IC and a member of the broader ADC/DAC category. It sits at the interface between a digital audio source and an analog signal chain, where its noise, distortion, channel count, and supported input formats materially affect playback quality. The AK4456VN provides six DAC channels, 32-bit resolution, a maximum PCM sampling rate of 768 kHz, and DSD support up to 11.2 MHz. Verified product information identifies a dynamic-range figure of 115 dB and describes the device as a premium multichannel DAC. These capabilities suit component audio equipment, network players, USB DACs, automotive audio systems, and other installations requiring several synchronized high-resolution outputs. Its VELVET SOUND architecture is intended to reduce distortion while preserving fine signal details. The 32-bit digital filtering path supports modern high-resolution source formats, while the six-channel architecture allows one converter to serve multichannel playback without requiring six discrete DAC packages. DSD compatibility broadens format support, although the complete system must also provide compatible source, clocking, filtering, and output-stage circuitry. Typical implementations place the AK4456VN after an audio receiver or digital interface and before balanced or single-ended analog amplifier stages. Because this is a high-performance analog output device, clean grounding, low-noise supplies, controlled clock routing, and symmetrical analog layout are essential. Differential output routing and appropriately shielded connections can help preserve the benefit of the converter's low-distortion architecture. The main design trade-off is that performance depends on system-level implementation rather than the DAC alone. Power, ground, digital-interface isolation, output load, and clock jitter can affect the final audio result. Designers should follow the manufacturer's datasheet for the exact 48-QFN pin assignments, supported digital formats, external-component recommendations, and application circuit. This page consolidates verified manufacturer and distributor information, purchase guidance, practical implementation notes, and a strict compatibility review of potential substitutes. It distinguishes a same-series ordering option from functional alternatives that do not provide a verified pin-to-pin replacement path.

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الفئات الفرعية

المنتجات (39,000+)

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AK4436VN - 6-Channel 32-Bit Audio DAC | Asahi Kasei Microdevices

AK4438VN - 8-Channel 32-Bit 768kHz Audio DAC | Asahi Kasei

AK4440EF - 8-Channel 24-Bit 192kHz DAC | Asahi Kasei

AK4452VN - 32-Bit 2ch Premium Audio DAC | AKM

AK4454VN - Stereo Audio DAC | Asahi Kasei Microdevices

AK4456VN - 32-Bit 6-Channel 768 kHz Audio DAC | AKM