ADC/DAC
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AK5384VF - 24-Bit 4-Channel 96 kHz ADC | AKM
Asahi Kasei Microsystems AK5384VF is a 24-bit, four-channel audio ADC with support for sampling rates from 8 kHz to 96 kHz in a 28-pin TSSOP package. The converter uses Enhanced dual-bit delta-sigma modulation and supports both master mode and TDM data format, making it suitable for multichannel audio systems that require accurate simultaneous analog-to-digital conversion. An audio ADC is a data-converter IC that converts four analog audio inputs into high-resolution digital samples. Its role within a signal chain is to establish the digital representation used by processors, mixers, storage systems, and communications equipment. The AK5384VF belongs to the ADC and DAC family within integrated circuits and ultimately to the broader semiconductor and signal-conversion hierarchy. The AK5384VF provides four conversion channels, 24-bit resolution, and an 8 kHz-to-96 kHz sampling-rate range. Its Enhanced dual-bit delta-sigma technique supports high accuracy while targeting cost-sensitive multichannel audio designs. Master-mode operation and TDM output allow the converter to work within synchronized multichannel audio architectures rather than serving as an isolated single-channel codec. Digital interface features support integration into professional audio, consumer audio, and communications equipment. TDM format is particularly useful when several audio channels must share a digital transport, while master mode provides a defined timing relationship between the converter and the surrounding system. The manufacturer datasheet also documents power-down control and digital-filter reset behavior, including the requirement to reset the filter after power-up. Typical applications include multichannel digital mixing consoles, surround-sound audio interfaces, broadcast equipment, sound-card front ends, active speaker systems, and industrial audio acquisition platforms. Its four-channel architecture reduces the number of separate converters required in a balanced audio subsystem and provides a common digital interface for channel-rich products. PCB implementation requires careful analog-input routing, stable supply and ground distribution, appropriate input filtering, and compliance with the manufacturer’s reference layout and decoupling guidance. The analog and digital sections should be positioned to minimize coupling from switching nodes and high-current return paths. Designers should also confirm the exact clock mode and interface timing against the datasheet before releasing a layout. This product summary consolidates the AK5384VF architecture, sampling capabilities, package information, application guidance, design cautions, and verified sourcing references into one engineering-focused resource. It also identifies the limitations of unqualified replacement candidates so that a proposed substitute is validated for footprint, pinout, interface timing, clocking, and power sequencing before design use.
AK5386VT - 24-Bit 216kHz Stereo Audio ADC | Asahi Kasei
The Asahi Kasei Microdevices AK5386VT is a stereo audio analog-to-digital converter with 24-bit resolution, single-ended inputs, and a sampling-rate range of 8 kHz to 216 kHz, housed in a 16-pin TSSOP package. It supports 3.3 V and 5 V analog and digital supply operation and uses an I2S-compatible serial interface for digital audio data transfer. An audio ADC is a mixed-signal data-converter IC that transforms left and right analog audio signals into digital sample data. Its place in the product hierarchy is audio ADC → delta-sigma ADC → data converter → analog and mixed-signal IC. This conversion allows audio equipment to preserve waveform information for processing, transmission, recording, playback, and digital storage. The AK5386VT implements Enhanced dual-bit delta-sigma techniques to balance conversion resolution, sampling performance, and implementation cost. Its 24-bit word length supports high-resolution professional and consumer audio systems, while the 8 kHz lower sampling limit accommodates voice-band content. The 216 kHz upper limit supports high-rate digital audio acquisition and processing. A 16-TSSOP package supports compact, surface-mount PCB layouts. The device includes separate left and right single-ended analog inputs and an I2S digital interface. Its 3.3 V and 5 V supply options provide flexibility in audio systems that use either conventional or lower-voltage digital logic. Because the AK5386VT performs both channels in one package, it can reduce component count and simplify synchronization between stereo channels. Clocking, digital-audio format, and analog front-end requirements must still be checked against the manufacturer pin description and timing diagrams. Typical applications include professional audio conversion, multichannel recording equipment, digital mixing consoles, consumer-audio interfaces, sound-card analog front ends, and instrumentation requiring high-resolution audio capture. The wide sampling-rate range also supports applications spanning voice, CD-rate audio, professional multirate conversion, and high-resolution acquisition. For a new design, treat analog and digital grounding, clock jitter, input-level range, and the external anti-alias or acquisition circuitry as system-level requirements. Follow the manufacturer reference circuit for capacitor values and supported input configurations. Confirm that the host controller can generate the required master clock and accept the converter's I2S-compatible output before finalizing the PCB and firmware interface. This page organizes the AK5386VT specifications, interface considerations, application guidance, comparison parameters, and design notes into one engineering-focused reference. It also distinguishes verified drop-in replacements from parts that are only functionally similar, helping designers make PCB and sourcing decisions without confusing equivalent conversion capability with pin compatibility.
AK5388EQ - 24-Bit 4-Channel 216kHz Audio ADC | AKM
The Asahi Kasei Microdevices AK5388EQ is a 24-bit, four-channel sigma-delta audio ADC supporting sampling rates from 8kHz to 216kHz. It achieves 120dB dynamic range, 110dB signal-to-noise-plus-distortion ratio, and 123dB dynamic range in optional mono mode. The device is packaged in a lead-free 44-LQFP measuring 10mm by 10mm with a 0.80mm pitch. An audio ADC is a specialized data converter that converts four analog audio inputs into high-resolution digital samples for processing by a digital signal processor, audio codec, or digital mixing console. Audio ADCs occupy the interface portion of the signal chain between analog microphones, line-level sources, and digital audio equipment. Their channel count, sampling rate, dynamic range, distortion, clock architecture, and output interface determine how accurately the source signal can be captured and preserved. The AK5388EQ provides four simultaneous 24-bit conversion channels at rates up to 216kHz. Its 120dB dynamic range and 110dB S/(N+D) are intended for high-end professional audio systems, while the optional mono mode extends dynamic range to 123dB. I2S-compatible digital output supports integration with digital audio processors. The converter uses AKM's Enhanced Dual Bit modulator architecture and sigma-delta conversion technology to combine high resolution with a digital decimation and filtering stage. The 44-LQFP package provides separate analog, digital, and power connections for careful board partitioning. Operation is specified for commercial temperature screening from -10°C to 70°C. Supply information identifies operating ranges of 3V to 3.6V for one supply domain and 4.75V to 5.25V for another, allowing compatible analog and digital interface rails to be planned around the surrounding audio system. Typical applications include professional recording consoles, multichannel digital mixers, studio monitors, broadcast and mastering equipment, digital audio workstations, and high-resolution multichannel converters. The four-channel architecture is particularly useful when capturing several microphones or stereo line pairs without deploying separate converter packages. PCB implementation should preserve the separation between sensitive analog inputs and digital clock and data paths. Place input and reference-network components close to their associated pins, use a quiet ground-plane strategy, and route the I2S clock and data lines away from analog inputs. The AK5388EQ datasheet pin description and application circuit should govern the final footprint and external component selection. This product page consolidates the converter's core performance, package, operating conditions, application guidance, verified alternatives, and design considerations into an engineering-focused reference. It supports component selection and board planning while keeping detailed implementation decisions anchored to the manufacturer datasheet.
AK5392VS - 24-Bit Stereo Audio ADC | AKM | 28-SOP
Asahi Kasei Microsystems AK5392VS is a 24-bit, two-channel audio analog-to-digital converter with 128-times oversampling and Enhanced Dual Bit modulator architecture. It is packaged in a 28-pin SOP and supports digital audio sampling rates from 1 kHz to 54 kHz. The device is intended for professional digital audio systems requiring high-resolution stereo conversion. An audio ADC is a specialized data-converter IC that transforms left- and right-channel analog audio signals into digital words for processing, storage, transmission, or playback. Within the signal-chain hierarchy, the AK5392VS belongs to the ADC and DAC category, operates as a delta-sigma audio converter, and ultimately provides a digital interface to a digital audio subsystem or audio processor. The principal functions are 24-bit stereo conversion, 128-times oversampling, and Enhanced Dual Bit architecture. Its two-channel architecture supports professional stereo recording and monitoring, while the serial digital output allows captured audio data to be transferred to an audio codec, DSP, digital mixer, or host processor. The operating range of 1 kHz to 54 kHz makes the converter applicable to multiple professional digital-audio sampling environments. The AK5392VS uses Enhanced Dual Bit technology within its modulator, an approach associated with improved representation of low-level signals in professional audio conversion. A 24-bit conversion resolution provides a wide digital code range and supports high-fidelity audio processing. Exact signal-to-noise ratio, total harmonic distortion, analog input range, digital interface format, clock requirements, and power-supply limits should be confirmed in the manufacturer datasheet before a circuit is released. Typical applications include professional digital audio consoles, studio recording equipment, broadcast consoles, digital mixing consoles, high-end audio interfaces, and multichannel monitoring systems. The part is most appropriate when the design requires stereo conversion, 24-bit resolution, and a serial digital audio interface rather than a general-purpose, high-speed multiplexed data converter. Layout is as important as the converter specifications. Place analog input and clock circuitry away from digital output and switching-regulator areas, follow the manufacturer’s recommended application circuit, and provide stable reference and supply connections. Decoupling, grounding, and controlled clock routing directly help preserve full-scale performance and minimize distortion in a precision audio system. This page consolidates the AK5392VS format, converter specifications, sourcing guidance, drop-in alternatives, and practical integration notes into one engineering reference. It also separates confirmed product characteristics from parameters that require direct verification against the manufacturer datasheet.
AK5393VS - 24-Bit Stereo Audio ADC | AKM | Professional Audio
The Asahi Kasei Microdevices AK5393VS is a 24-bit, dual-channel, 128-times-oversampling analog-to-digital converter for professional digital audio systems, housed in a 28-pin SOP package. It supports sampling rates from 1 kHz to 108 kHz and uses Enhanced Dual Bit modulator architecture to combine wide dynamic range with low distortion. The manufacturer datasheet identifies a 117 dB dynamic range for the converter, making the device suitable for high-resolution audio capture and conversion stages where accurate representation of small and large signals is important. An audio ADC is an ADC specialized for converting left- and right-channel analog audio signals into high-resolution digital data. In the broader electronics hierarchy, the AK5393VS belongs to the ADC/DAC category, within analog-to-digital converters and digital audio interface ICs. Its role is to preserve amplitude and phase information during conversion while presenting a serial digital output to an audio processor, codec, transmitter, or storage system. The AK5393VS supports 24-bit conversion, 128-times oversampling, dual-channel operation, and a 1 kHz to 108 kHz sampling-rate range. Its Enhanced Dual Bit architecture is intended to achieve a wide dynamic range while retaining distortion characteristics associated with high-resolution conversion. The 28-pin SOP package supports compact integration into professional audio equipment while providing separate connections for analog, digital, clock, and power functions. The converter operates from a +5 V analog supply according to the manufacturer documentation. Input protection is important: analog input voltages must remain within the specified limits around the analog supply and ground, and current beyond 10 mA into AIN+ or AIN- should be avoided. These constraints make the analog front end, input routing, and grounding arrangement central to achieving the converter's intended performance. Typical uses include professional digital audio equipment, broadcast consoles, studio recording interfaces, high-resolution multichannel converters, and digital audio processing modules. It can be paired with an audio codec, digital signal processor, FPGA, or microcontroller when the host must consume serialized 24-bit conversion data. The supported sampling range allows the same converter family to address low-rate broadcast-oriented paths and high-rate studio capture systems. Design the analog input network so that gain staging and source impedance suit the AK5393VS input stage. Keep analog and digital return paths separated, place decoupling capacitors close to the supply pins, and use a low-jitter clock source because clock quality can affect conversion performance. Use the pin-description table and typical application circuit in the manufacturer datasheet when assigning traces and external components. This product guide combines the verified AK5393VS specifications, package information, sourcing details, pin-compatible alternatives, comparison parameters, and practical layout guidance. It also identifies the principal design trade-offs among the available AKM converters so engineers can select a device based on channel count, resolution, sampling rate, package, and actual pin compatibility rather than family name alone.
AK5394AVS - 24-bit 192kHz 123dB ADC | AKM (Asahi Kasei)
The AKM (Asahi Kasei Microdevices) AK5394AVS is a 24-bit, 192 kHz sampling, 2-channel A/D converter for professional digital audio systems, delivered in a 28-pin SOP (28-SOP, 0.295"/7.50 mm width) package with a digital supply range of 3 V to 5.25 V and analog supply of 4.75 V to 5.25 V. Headline parameters are 123 dB dynamic range, 192 kHz maximum sampling rate, and 24-bit resolution through an advanced multi-bit delta-sigma modulator. An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples continuous analog voltages and converts them to discrete digital codes at a defined sampling rate; the AK5394AVS is a special-purpose audio ADC that sits in the data acquisition -> ADC/DAC -> ADC -> delta-sigma audio ADC hierarchy, optimized for high-fidelity stereo recording. Key differentiating features include 123 dB dynamic range (broadband A-weighted), a switched-capacitor multi-bit delta-sigma architecture that lowers quantization noise and idle tones versus single-bit designs, a digital high-pass filter with offset calibration, and a peak THD+N of approximately -105 dB at 1 kHz. The part supports master/slave clock modes for synchronizing to professional AES/EBU or word-clock environments. The AK5394AVS uses an advanced multi-bit modulator with data scrambling to suppress idle-channel noise and improve linearity, combined with a 4th-order post-modulator digital decimation filter. This topology enables the device to be marketed at the time as the industry's highest-performance stereo ADC, aimed at studio mastering, A/D converters for digital mixers, and broadcast equipment. Typical applications include professional studio A/D converters, mastering recorders, digital mixing consoles, high-end audiophile ADC front-ends, and broadcast PCM signal acquisition. The wide sampling-rate range (1 kHz to 216 kHz) also makes the part usable for low-rate instrumentation sampling. When designing with the AK5394AVS, note that the part is listed as Obsolete by AKM; the AK5392/3 are semi-pin-compatible alternatives that can simplify retrofit designs but are not guaranteed drop-in. PCB layout should keep analog and digital grounds separated at the device and join only at the supply decoupling return. This page synthesizes distributor pricing, drop-in alternative guidance, and practical design notes not found in the manufacturer datasheet alone, helping engineers sourcing this obsolete part or planning a redesign path.
AK5397EQ - 32-Bit Stereo Audio ADC | Asahi Kasei
The Asahi Kasei Microdevices AK5397EQ is a high-performance 32-bit stereo delta-sigma audio ADC with 192 kHz and 768 kHz sampling capability, 127 dB dynamic range, and an I2S digital interface. It is packaged in a 44-pin LQFP measuring 10 mm by 10 mm. The converter supports 3 V to 3.6 V and 5 V supply operation, making it suitable for professional audio equipment, studio recorders, premium consumer audio, and digital mixing systems. An audio ADC is a data-converter IC that transforms left and right analog audio signals into digital data for processing, storage, transmission, or playback. The stereo delta-sigma architecture belongs to the broader ADC and data-acquisition IC category. It is optimized for audio-band conversion, where high dynamic range, low distortion, clocking accuracy, and an integrated digital interface are more important than the high conversion rates used by general-purpose instrumentation ADCs. The AK5397EQ combines 32-bit resolution, stereo conversion, and operation up to 768 kHz in a single device. Its 127 dB dynamic range provides ample headroom for high-fidelity capture, while the I2S interface supports direct connection to audio processors and digital signal processors. According to the manufacturer datasheet, the AK5397 belongs to AKM's VERITA series within the Audio 4 Pro family and uses VELVET SOUND technology. The listed operating-temperature range is -10°C to 70°C. The AK5397EQ operates from a 5 V nominal analog supply and a 3 V to 3.6 V digital supply. Separate analog and digital supply domains help control coupling between sensitive conversion circuitry and digital switching activity. The part uses an I2S output, supports a dual-channel conversion topology, and is specified for audio frequencies up to 192 kHz, with a listed 768 kHz sampling-rate capability. Exact clock architecture, digital levels, and channel timing must be implemented according to the manufacturer pin description and timing diagrams. Typical applications include professional digital recording consoles, high-resolution stereo capture, premium home-theater equipment, studio monitors, digital mixers, and broadcast audio subsystems. Its combination of 32-bit resolution, 127 dB dynamic range, and 768 kHz capability is particularly useful when the design must preserve substantial headroom for mastering, post-processing, or future conversion stages. Design the AK5397EQ with short, quiet analog input paths, a low-noise reference arrangement, and careful separation between analog and digital return currents. Place decoupling capacitors close to the supply pins and preserve the recommended clock and I2S layout. Because the converter is offered in an obsolete lifecycle state, verify current sourcing status and obtain a written quotation before committing it to a new production design. This page consolidates the device's electrical identity, package information, application guidance, design cautions, and verified sourcing context. It also distinguishes documented capabilities from parameters that engineers must confirm in the manufacturer datasheet, helping purchasing, hardware, and signal-integrity teams evaluate the AK5397EQ consistently.
AK5483 - 10-Bit 20 MSPS 3-Channel ADC | AKM Semiconductor
Asahi Kasei Microdevices/AKM Semiconductor AK5483 is a 10-bit, 20 MSPS maximum, three-channel CMOS analog-to-digital converter in an LFQFP package. It accepts single-ended 1 Vpp analog input and converts each channel to straight-binary digital data. The converter combines three high-performance ADCs, full-pipeline conversion, simultaneous-channel integration, and compact high-speed sampling in one device. An ADC is an analog-to-digital converter, a semiconductor that samples continuous voltage signals and produces corresponding digital codes for processing, storage, transmission, or control. Within the broader hierarchy of data-converter ICs, the AK5483 is a flash-sampling ADC suitable for multichannel systems requiring compact conversion and modest digital resolution. Its 10-bit output and 20 MSPS maximum rate make it relevant to video, imaging, instrumentation, communications, and embedded signal-processing systems. The primary verified features include a 10-bit conversion resolution, a maximum sampling rate of 20 MSPS, three integrated ADC channels, single-ended analog inputs, and a 1 Vpp input range. The parallel straight-binary output simplifies connection to digital logic when the host device can accept the converter's data interface directly. Integrating three channels also reduces the need for separate converter packages when synchronized or closely timed measurements are required. The AK5483 uses a full-pipeline ADC architecture. This architecture separates conversion into internal stages, supporting higher operating speed than a basic single-stage flash approach while retaining a 10-bit straight-binary result. The manufacturer documentation also identifies the device as a CMOS converter, which is important when evaluating digital interface timing, power behavior, and integration with mixed-signal systems. Typical engineering uses include multichannel video digitization, sensor signal capture, communications receivers, industrial measurement systems, and embedded control platforms. The three-channel architecture is particularly useful when several analog signals must be converted within the same system, while the 20 MSPS maximum rate supports streaming workloads that exceed low-speed sensor-sampling requirements. The exact sampling rate, timing, and input bandwidth available in a finished design should be checked against the operating conditions in the manufacturer datasheet. Designers should treat the analog input range, reference requirements, clocking, digital output timing, supply sequencing, and package footprint as the principal integration constraints. Input conditioning must present a compliant 1 Vpp signal to each channel, and PCB layout should minimize noise coupling around the analog inputs and high-speed digital outputs. The AK5483 datasheet should be consulted for pin assignments, recommended application circuits, timing margins, and electrical limits. This page consolidates verified manufacturer-linked specifications, distributor availability references, packaging information, application guidance, and replacement limitations for engineers evaluating the AK5483. It also separates confirmed facts from parameters that require datasheet confirmation rather than estimating missing values.
AK5534VN - 32-Bit 4-Ch 768kHz Audio ADC | AKM
The Asahi Kasei Microdevices AK5534VN is a 32-bit, 768kHz-sampling, four-channel differential audio A/D converter in a 48-QFN (7x7) package. It supports digital audio systems requiring high-resolution PCM conversion and DSD output up to 11.2MHz. The manufacturer identifies the device as suitable for mixers, multi-channel recorders, and automotive amplifier units, while its 111dB dynamic-range rating positions it for high-fidelity capture and professional audio conversion. An audio A/D converter is an analog-to-digital converter optimized for audio signals rather than general-purpose measurement. It converts differential left- and right-channel analog voltages into high-resolution digital samples for processing by a DSP, audio codec, transmitter, or recorder. Within the broader product hierarchy, the AK5534VN is an ADC, then a data-converter IC, then an interface IC used in electronic systems. Its four integrated channels reduce the need for separate converters in multichannel equipment. The AK5534VN combines four differential ADC channels with 32-bit resolution and a maximum sampling rate of 768kHz. Four types of integrated digital filters can be selected according to the required sound-quality balance. TDM audio-format support provides a direct interface to digital signal processors, while DSD output support up to 11.2MHz broadens its applicability to high-resolution digital-audio systems. These features matter where low quantization noise and flexible filtering are more important than a low-power, low-cost general-purpose converter. The converter's 111dB dynamic range supports high-fidelity capture by providing a broad measurable signal range relative to the noise floor. Differential inputs help reject common-mode noise when the analog front end is properly implemented. The 48-QFN (7x7) package supports compact multichannel layouts, although its exposed thermal and ground features require careful PCB construction. Exact power, voltage, clock, and interface details should be confirmed in the manufacturer datasheet before final schematic or layout release. Typical uses include professional and multichannel recorders, digital mixing consoles, automotive amplifier and head-unit systems, studio preamplifiers, multichannel measurement equipment, and DSD-capable audio interfaces. In these systems, the AK5534VN performs the conversion from analog audio into PCM or DSD data and then transfers the result to a DSP through supported serial formats. Its four-channel architecture is particularly useful where several synchronized inputs must be captured without using four separate converter packages. Designers should prioritize clean analog grounding, low-noise reference and clock routing, and correct implementation of the differential input network. Digital communication lines to the DSP must be length-controlled and kept away from the analog inputs. Because the verified excerpts do not provide the complete electrical limits or pin names, power-supply selection, decoupling, exposed-pad layout, and interface voltage levels must be taken directly from the AKM datasheet rather than inferred from similar converters. This page consolidates verified manufacturer and distributor information for the AK5534VN, identifies its core high-resolution audio features, documents sourcing and commercial availability, and provides practical application guidance. It also distinguishes true same-package drop-in candidates from broader functional audio-ADC alternatives, helping engineers make a defensible design choice before committing a PCB layout.
AK5536VN - 32-Bit 6-Channel Audio ADC | AKM
Asahi Kasei Microdevices AK5536VN is a 32-bit, 6-channel differential audio analog-to-digital converter for digital audio systems, with a maximum sampling rate of 768 kHz and a 64-QFN package measuring 9 mm by 9 mm. It supports both PCM and DSD audio formats, and operates from a 3 V to 3.6 V analog supply with a 1.7 V to 1.98 V digital supply. An audio ADC is a data-conversion IC that converts differential analog audio signals into high-resolution digital samples. It belongs to the ADC and DAC hierarchy, specifically the special-purpose audio converter category, and sits between analog microphone, line, or balanced input circuitry and a digital audio processor. Its role is to preserve low-level signal detail while introducing controlled noise and distortion during conversion. The AK5536VN provides 111 dB dynamic range and 103 dB signal-to-noise-plus-distortion performance, according to the manufacturer datasheet. Its six differential channels suit multichannel recording, monitoring, broadcast, and professional audio systems. A maximum sampling rate of 768 kHz accommodates PCM and DSD workflows, while the 32-bit conversion format supports high-resolution audio processing. The converter architecture is optimized for differential audio signals rather than general-purpose measurement instrumentation. Differential inputs help reject common-mode noise when balanced source circuitry is used. Separate 3 V to 3.6 V and 1.7 V to 1.98 V supply domains support independent control of analog and digital sections, helping the system establish appropriate noise boundaries between sensitive conversion circuitry and downstream digital logic. Typical applications include multichannel digital recording consoles, high-end audio preamplifiers, studio monitors, broadcast mixing equipment, digital-audio converters, and DSD-capable playback systems. Six channels make the device especially useful when one converter must handle several balanced audio buses without using separate single-channel packages. Design work should treat analog and digital return currents as separate paths, place the exposed-pad thermal connection correctly, and preserve the differential input arrangement. The manufacturer datasheet is the controlling reference for pin assignment, input mapping, clock requirements, supported data formats, decoupling, and exposed-pad layout. This product record consolidates the converter’s core electrical ratings, package details, application guidance, design cautions, and sourcing information. It is designed to help engineers evaluate AK5536VN quickly while still directing critical implementation decisions to the manufacturer’s pin-description and application sections.
AK5538VN - 32-Bit 768kHz 8-Channel Audio ADC | AKM
Asahi Kasei Microdevices AK5538VN is a 32-bit, 768 kHz sampling, eight-channel differential audio A/D converter in a 64-QFN (9 x 9 mm) package. It delivers 111 dB dynamic range, 103 dB S/(N+D), selectable digital filters, TDM-compatible digital audio interfaces, and DSD output support up to 11.2 MHz. The device is designed for professional mixers, multichannel recorders, and other digital audio systems requiring simultaneous high-resolution conversion across eight channels. An audio A/D converter is a specialized data-conversion IC that transforms analog audio signals into high-resolution digital words for processing by a DSP, codec, transmitter, or storage system. Within the semiconductor hierarchy, the AK5538VN belongs to the ADC/DAC class, specifically the delta-sigma audio ADC category. Its differential inputs are suited to balanced analog audio paths, while the digital interface transports converted PCM data to the downstream audio processor. Key features include eight differential input channels, 32-bit conversion, a maximum sampling rate of 768 kHz, 111 dB dynamic range, and 103 dB S/(N+D). Four integrated digital-filter types can be selected according to the preferred sound-quality response. The converter also supports TDM audio formats for straightforward connection to a DSP and provides DSD output capability up to 11.2 MHz. Channel summation can improve the stated dynamic range to 114 dB when operating in an eight-to-two-channel summation configuration. The AK5538VN combines high channel count with low power consumption, making it useful in professional audio equipment where multiple converted channels must share a compact circuit area. Differential analog routing can reduce susceptibility to common-mode noise when implemented with a properly designed front end. The 64-QFN package also requires careful exposed-pad thermal management and short, symmetrical analog routing. Typical uses include digital mixing consoles, multichannel studio recorders, multichannel DAC input stages, sampling systems, and high-end digital audio interfaces. The AK5538VN is particularly appropriate when a design needs more than two simultaneous high-resolution audio channels and requires direct DSP connectivity. A critical design consideration is the relationship among analog input scaling, clocking, digital filtering, and the downstream DSP interface. The datasheet should be consulted for the complete pinout, supported clock configurations, input ranges, reference requirements, decoupling values, and exposed-pad layout. This page consolidates the verified manufacturer and distributor information, technical application guidance, and drop-in replacement status for the AK5538VN. It distinguishes documented performance from unspecified details so procurement and engineering decisions can be made without treating unavailable electrical data as confirmed.
AK5552VN - 32-Bit 768kHz Stereo Audio ADC | AKM
The Asahi Kasei Microdevices AK5552VN is a 32-bit, 768 kHz sampling, differential-input audio A/D converter with two channels, 115 dB dynamic range, and 106 dB S/(N+D), housed in a 48-QFN 7 x 7 mm package. It is designed for professional digital audio systems requiring high-resolution, high-speed conversion, including mixers and multi-channel recorders. An audio ADC is a specialized data-converter IC that converts analog audio signals into digital PCM or DSD data. In the broader semiconductor hierarchy, the AK5552VN belongs to the analog-to-digital converter class, supports digital audio applications, and operates as a signal-chain device between analog preamplification and digital audio processing. Its differential inputs help reject common-mode noise while preserving low-level audio information. Key features include 32-bit conversion, a maximum sampling rate of 768 kHz, two differential input channels, and four selectable digital filters. According to the manufacturer product page, the converter achieves 115 dB dynamic range and 106 dB signal-to-noise-plus-distortion while maintaining low power-consumption performance. These characteristics target high-resolution recording and mixing systems rather than general-purpose low-cost conversion. The AK555x family uses configurable digital filtering to accommodate different sound-source requirements. The verified manufacturer description states that four filter types are integrated and selectable according to the source. Differential input architecture also allows balanced analog connections, which can reduce susceptibility to ground-potential differences and interference when paired with suitable front-end circuitry. Typical uses include professional mixers, multi-channel recorders, digital audio workstations, high-resolution capture equipment, and digital recording systems. At 768 kHz sampling, the converter can support high-resolution PCM workflows and DSD-compatible audio architectures identified in distributor product listings. Designers should treat the ADC as a high-performance analog signal-chain component rather than a generic data converter. Input gain, common-mode voltage, clocking, digital interface configuration, filter selection, grounding, and decoupling all influence achievable performance. The manufacturer datasheet should be used to verify complete pin assignments, supported output modes, supply requirements, and application-specific layouts. This page combines verified manufacturer and distributor information with practical sourcing, application, and comparison guidance. It also distinguishes confirmed drop-in substitutes from devices that merely share the broad audio-ADC category, preventing a functional alternative from being mistaken for a PCB-compatible replacement.
AK5554VN - 32-Bit 768 kHz 4-Channel Audio ADC | AKM
The Asahi Kasei Microdevices AK5554VN is a 32-bit, 768 kHz sampling, 4-channel differential audio A/D converter for professional digital audio systems, supplied in a 48-pin QFN (7 mm × 7 mm) package. It achieves 115 dB dynamic range and 106 dB S/(N+D) while maintaining low-power operation. An audio ADC is a specialized data-converter IC that converts analog left- and right-channel audio signals into digital PCM or DSD data. It belongs to the ADC and DAC category within interface and signal-conversion ICs, where precision, noise performance, channel count, sampling rate, clocking, and digital-output compatibility determine suitability for recording, mixing, and playback equipment. The AK5554VN supports up to 768 kHz sampling and four differential input channels. Its four-channel architecture suits multichannel recording systems, mixers, and digital recording consoles. Four selectable digital filters allow the conversion characteristics to be matched to different sound-quality priorities. The device also supports TDM audio formats for connection to a digital signal processor. DSD output support extends to 11.2 MHz, providing a direct path for high-resolution digital audio workflows. Combined with the 32-bit conversion capability, 115 dB dynamic range, and 106 dB S/(N+D), the converter preserves fine amplitude and signal-to-noise information during capture. Its multi-channel and filter architecture reduces the need for parallel single-channel converters when designing professional audio equipment. Typical applications include digital mixers, multichannel recorders, professional audio interfaces, broadcast equipment, and high-resolution studio capture systems. The AK5554VN is particularly relevant when a design requires both PCM operation and DSD output, or when differential analog inputs must feed a DSP through a TDM-compatible digital interface. Designers should verify the external clock, analog input scaling, filtering, power-supply sequencing, and digital-interface voltage requirements against the manufacturer datasheet before layout. Differential routing, grounding, exposed-pad thermal management, and connector isolation are critical to preserving the advertised dynamic-range and S/(N+D) performance. This page consolidates the verified manufacturer and distributor information for the AK5554VN, adds application-specific engineering guidance, identifies data that still requires datasheet confirmation, and avoids presenting unverified substitute parts as drop-in replacements.
AK5556VN - 32-Bit 6-Channel Audio ADC | Asahi Kasei
The Asahi Kasei Microsystems AK5556VN is a 32-bit, 6-channel differential audio ADC with 768 kHz sampling, 115 dB dynamic range, and 106 dB signal-to-noise-plus-distortion performance. It is packaged in a 64-QFN (9 x 9 mm) package and is designed for digital audio systems, mixers, multi-channel recorders, and professional audio equipment. The AK5556VN also supports PCM and DSD output, including DSD operation up to 11.2 MHz, and provides four selectable digital filter types. An audio analog-to-digital converter is a specialized data-converter IC that converts multiple differential analog audio inputs into high-resolution digital samples. In the broader hierarchy, the AK5556VN is an ADC, a data-converter IC, and a semiconductor used in digital audio and signal-processing systems. Its six-channel differential architecture is intended to capture several balanced audio channels with consistent conversion performance and reduced channel-count complexity. The principal specifications shown in the verified data are 32-bit resolution, six ADC channels, a maximum sampling frequency of 768 kHz, 115 dB dynamic range, and 106 dB SN+D. Four integrated digital filters can be selected according to the desired sound-quality preference. The device supports TDM audio formats for connection to a DSP, while DSD output support extends its use to high-resolution digital-audio systems. The AK5556VN uses a differential-input architecture, allowing balanced analog sources to be connected to the converter and helping reject common-mode noise when the circuit is implemented with suitable analog signal-chain design. The six-channel arrangement makes it suitable for surround mixing, recording, monitoring, and multichannel conversion systems. Channel summation can improve the claimed dynamic range to 118 dB in suitable multi-channel operation, according to the manufacturer datasheet information provided in the verified sources. Typical applications include professional mixers, multi-channel recorders, studio monitors, broadcast audio equipment, digital audio workstations, and embedded DSP audio-capture systems. Its TDM support can simplify connection to a DSP that accepts time-division-multiplexed audio data. In systems using DSD, the converter can provide output up to 11.2 MHz, although the complete signal chain must support the associated data rate and clocking requirements. Designers should verify the complete AK5556VN pinout, exposed-pad connection, analog input routing, reference-voltage requirements, clock configuration, digital interface mode, and power-supply sequencing against the manufacturer datasheet before layout. The 64-QFN package also requires a suitable thermal and grounding strategy, particularly when operating at high sampling rates or with high channel utilization. This product data consolidates the verified 32-bit, 768 kHz, six-channel, 115 dB dynamic-range, 106 dB SN+D, PCM, TDM, and DSD information, compares the documented feature set, and highlights practical application and sourcing considerations beyond a basic distributor listing.
AK5558VN - 32-bit 768kHz 8ch Audio ADC, 64-QFN | AKM
The Asahi Kasei Microdevices (AKM) AK5558VN is a 32-bit, 768 kHz sampling, 8-channel premium audio A/D converter for professional digital audio systems, housed in a 64-pin QFN (9x9 mm) package with exposed pad. It achieves 115 dB dynamic range and 106 dB S/(N+D) while maintaining low power consumption, and supports both PCM and DSD output modes. Channel summation across the eight differential inputs can further extend dynamic range to 118 dB in 8-to-1 mode. An audio ADC (analog-to-digital converter) is a specialized data converter that translates continuous analog audio signals into high-fidelity digital codes using delta-sigma modulation and decimation filtering. Premium audio ADCs target professional recording, broadcast, and high-resolution consumer audio where dynamic range, channel count, and low noise floor matter more than raw sampling speed. The AK5558VN sits inside the data converter IC family and the broader signal-conditioning semiconductor category. Key features include differential analog inputs on all eight channels, four selectable digital filters (sharp roll-off, slow roll-off, short delay, and low-latency), 32-bit PCM output up to 768 kHz, DSD output up to 11.2 MHz, and TDM audio interface support for direct connection to a DSP. AKM's multi-bit delta-sigma architecture combines with channel summation (2-to-1, 4-to-1, 8-to-1) to deliver 118 dB dynamic range when channels are averaged, enabling mixer-grade recording performance. Typical applications include professional mixing consoles, multi-channel studio recorders, USB audio interfaces, AV receivers with multichannel capture, and automotive premium audio head units. The device's 64-QFN exposed-pad package provides the thermal performance required for sustained 8-channel operation at 768 kHz. When designing with this part, place decoupling capacitors as close as possible to the AVDD and LVDD pins, and short the exposed pad to a solid ground plane for thermal dissipation. Verify TDM slot mapping with your DSP before PCB layout finalization.
AK5572EN - 32-Bit 768kHz Stereo Audio ADC | AKM
The Asahi Kasei Microdevices AK5572EN is a 32-bit, 768kHz sampling, 2-channel differential audio ADC with 121dB dynamic range, 112dB S/(N+D), and a 48-VFQFN 7x7mm package. It is designed for premium digital audio systems requiring high-resolution PCM conversion and DSD support up to 11.2MHz. Four selectable digital-filter types allow sound-quality optimization, while TDM compatibility simplifies connection to DSP-based mixers and multichannel recorders. An audio ADC is a mixed-signal integrated circuit that converts differential analog audio signals into digital words for processing, storage, or transmission. The AK5572EN belongs to the ADC and DAC hierarchy within data-converter ICs and broader signal-chain semiconductors. Its stereo differential architecture supports balanced audio inputs, while selectable operating modes and interface formats provide flexibility across professional recording equipment, mixer consoles, USB audio interfaces, and premium home-audio equipment. Key performance features include 32-bit conversion, a maximum sampling rate of 768kHz, 121dB dynamic range, and 112dB signal-to-noise-plus-distortion performance. The converter supports I2S digital audio, multiple TDM configurations, and DSD output up to 11.2MHz. According to the manufacturer product page and English datasheet, these capabilities position the device as a high-performance audio conversion solution with low-power operation and integrated filtering. The AK5572EN includes four types of digital filters that can be selected according to the desired sound-quality preference. Its TDM support allows direct connection to DSPs, reducing external interface complexity in multichannel systems. MSB-first, two's-complement serial data and broad digital-interface selection make the device suitable for designs requiring flexible clocking and source synchronization. Typical applications include digital mixers, multichannel recorders, premium USB audio interfaces, professional studio converters, and DSD-capable playback equipment. Analog signal integrity remains critical: differential routing, symmetrical inputs, careful clock layout, and a clean low-noise supply help preserve the converter's 121dB dynamic range. The 48-VFQFN exposed-pad package also requires a thermal-aware PCB layout to dissipate heat reliably. When selecting a replacement, engineers should verify the complete pin definition, analog input range, clock topology, supported digital format, filter settings, control interface, and exposed-pad layout rather than relying on resolution and sample rate alone. The available cross-reference results do not establish a verified pin-to-pin substitute, so equivalent parts are not presented as drop-in alternatives. This page combines verified manufacturer performance claims, source links, interface details, application guidance, and replacement-validation criteria. It distinguishes confirmed AK5572EN capabilities from electrical values that still require confirmation from the datasheet, providing more practical design guidance than a distributor listing alone.
AK5574EN - 32-Bit 768 kHz 4-Channel Audio ADC | AKM
Asahi Kasei Microdevices AK5574EN is a 32-bit, 768 kHz sampling, four-channel differential audio A/D converter in a 48-QFN (7 mm × 7 mm) package with an exposed pad. It provides 121 dB dynamic range, 112 dB S/(N+D), digital filtering, power-down operation, channel summation, TDM audio interfacing, and DSD output support up to 11.2 MHz. The device is designed for high-resolution digital audio systems requiring differential analog inputs and flexible digital audio formats. An audio ADC is a specialized data-converter IC that converts four analog audio channels into digital PCM or DSD data for processing by a DSP, receiver, recorder, or mixer. The AK5574EN belongs to the delta-sigma ADC family within the broader ADC and DAC product hierarchy, combining multichannel conversion, digital filtering, clocking, and serial audio interfaces in one device. Key features include 32-bit conversion, a maximum sampling frequency of 768 kHz, four differential inputs, 121 dB dynamic range, and 112 dB signal-to-noise-plus-distortion performance. According to the Asahi Kasei Microdevices product page, the converter maintains low power-consumption performance while supporting selectable digital filters. The exposed thermal pad provides the primary thermal and electrical connection to the PCB. The AK5574EN supports multiple digital interfaces, including I2S-compatible and TDM audio formats, with the digital interface selected through configuration pins. Its serial data uses MSB-first, two's-complement representation. DSD capability extends the converter beyond conventional PCM operation, making it applicable to high-resolution audio equipment where DSD playback or recording is required. Typical applications include professional digital mixers, multichannel recorders, studio monitoring equipment, broadcast consoles, high-end digital audio interfaces, and DSP-based audio systems. The four-channel architecture reduces the number of converters required when multiple balanced analog inputs must be digitized simultaneously. When designing around the AK5574EN, place the exposed pad according to the manufacturer datasheet and provide the required analog, digital, and ground-plane connections. The device's performance depends on clean analog input routing, appropriate clocking, supported interface configuration, and careful separation of sensitive analog signals from digital return currents.
AK5576EN - 32-Bit 768 kHz 6-Channel Audio ADC | AKM
The AKM Semiconductor AK5576EN is a 32-bit, 768 kHz, six-channel differential audio ADC in a 64-QFN 9 x 9 mm package. It supports I2S digital audio and achieves 121 dB dynamic range with 112 dB signal-to-noise-plus-distortion performance, making it suitable for high-resolution professional audio, multichannel recording, studio monitoring, and premium digital audio systems. An audio ADC is a specialized data-conversion IC that converts six differential analog audio inputs into digital samples. Within the signal chain, it performs the ADC function, sits between analog microphone or line-level circuitry and a digital audio processor, and ultimately feeds an I2S-compatible DSP, receiver, or recording system. The AK5576EN combines a 32-bit conversion format, 768 kHz maximum sampling rate, and differential input architecture to support high-resolution audio capture. The six differential channels help reduce sensitivity to common-mode noise when balanced analog sources are used. Its 121 dB dynamic range establishes the usable signal range under the manufacturer’s specified test conditions, while 112 dB signal-to-noise-plus-distortion performance is particularly relevant when the ADC output is reproduced through a high-fidelity audio chain. I2S support simplifies connection to common digital audio processors and converters. The AK5576EN operates from 1.8 V and 5 V supplies and is housed in a compact 64-QFN package with an exposed thermal pad. Its surface-mount construction supports high-density audio equipment, while the exposed pad provides the primary thermal connection to the PCB when heat must be removed. The manufacturer’s datasheet should be used to assign every supply, clock, analog input, and digital output connection. Typical applications include professional digital mixers, multichannel preamplifiers, studio recorders, high-resolution audio interfaces, broadcast consoles, and premium home-theater processors. Six differential channels suit systems requiring simultaneous conversion of multiple balanced sources without deploying six separate converter packages. PCB implementation requires careful partitioning of analog inputs, digital interfaces, clock circuitry, supply connections, and the exposed pad. Place decoupling capacitors near their associated supply pins, maintain short return paths beneath analog circuitry, and follow the pin-description table in the manufacturer datasheet when assigning the 64 package connections. This product page combines the manufacturer-device characteristics with application guidance, pin-assignment cautions, interface requirements, and sourcing information. It also distinguishes the AK5576EN from lower-resolution audio converters by focusing on its six differential channels, 32-bit conversion, 768 kHz sampling capability, and 121 dB dynamic range.
AK5578EN - 8-Ch 32-Bit 768kHz Audio ADC | AKM
The Asahi Kasei Microdevices AK5578EN is an 8-channel, 32-bit, 768 kHz sampling differential-input audio A/D converter with 121 dB dynamic range and 112 dB S/(N+D), housed in a 64-pin QFN (9x9 mm) surface-mount package. An audio ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples analog audio voltages and converts them into high-resolution digital words for downstream processing. The AK5578EN belongs to the AKM AK557x family of premium audio converters, sitting in the hierarchy audio ADC -> delta-sigma converter -> data converter IC -> mixed-signal semiconductor. It targets digital audio systems where multichannel, high-resolution capture is required, such as professional mixers, multichannel recorders, broadcast consoles and high-end measurement equipment. Key specifications differentiate this converter: 8 differential input channels, 32-bit word length, 768 kHz maximum sampling rate, 121 dB dynamic range and 112 dB signal-to-noise-plus-distortion ratio. It also integrates four selectable digital filter types so engineers can trade phase behaviour and frequency response against sound-quality preference, and it supports DSD output up to 11.2 MHz for native DSD capture workflows. Technically, the AK5578 is AKM's third-generation premium audio ADC architecture, providing a TDM-compatible digital audio interface for straightforward connection to a DSP, in addition to I2S-class serial audio transport. Because the digital interface supports TDM audio formats, a single serial bus can carry multiple channels, reducing routing complexity in multichannel designs. AKM also documents that channel summation improves the dynamic range to 124 dB in 8-to-1 mode, a useful option when fewer channels are physically wired but maximum SNR is still desired. Typical applications include professional digital mixers, multichannel PCM recorders, studio monitor controllers, broadcast and mastering equipment, and audio measurement or test setups. The 8-channel, TDM-capable architecture makes it particularly efficient for equipment with many balanced inputs. A key design consideration is interface planning: budget TDM slot timing and the digital audio clocking between the AK5578EN and the host DSP, and confirm the required analog input filtering and reference layout in the manufacturer's application guidance. Operating voltage, package thermal data and absolute maximum ratings should be confirmed against the datasheet before layout release. This page consolidates manufacturer documentation, distributor pricing as of 2026-10-30, drop-in alternatives within the AKM converter family, and practical design notes that are not gathered together in the original AKM datasheet or a single distributor listing.
AK5701VN - 16-Bit Stereo ADC with PLL | Asahi Kasei
Asahi Kasei Microdevices AK5701VN is a 16-bit stereo ADC with an integrated PLL and microphone amplifier in a 24-pin QFN package with an exposed pad. It supports I2S audio data transfer and a sampling-rate range of 7.35 kHz to 48 kHz. The integrated microphone amplifier and automatic level control are intended for portable equipment with recording functions, while the on-chip PLL simplifies connection to a DSP requiring a base-band clock. An ADC is an analog-to-digital converter, a data-conversion IC that transforms continuous analog audio voltages into discrete digital samples. The stereo ADC category includes devices that capture left and right audio channels, while a PLL, or phase-locked loop, generates a clock aligned to the digital audio interface. Together, these blocks place microphone conditioning and audio conversion within one compact mixed-signal IC. The AK5701VN combines a 16-bit stereo conversion path, an integrated microphone amplifier, automatic level control, and a PLL. Its 24-pin QFN package reduces board area compared with larger multi-purpose audio converters. The I2S interface is suited to digital signal processors and application processors, while the stated 7.35 kHz to 48 kHz sampling range supports voice capture, portable recording, and conventional compact audio systems. Technically, the integrated PLL reduces the need for a separate clock-generation component when the host DSP expects a derived base-band clock. The microphone amplifier provides analog gain before conversion, and automatic level control adjusts signal level to reduce the likelihood of clipping or an excessively weak recording. These functions are especially useful in designs where the analog microphone source varies substantially in level. Typical applications include mobile-phone microphone capture, portable voice recorders, compact stereo audio products, and DSP-connected communication equipment. The IC can also support consumer audio modules where one device must combine microphone conditioning, clock generation, and stereo conversion without using a larger codec footprint. The main design consideration is confirming that the host interface and clock arrangement match the AK5701VN requirements. The exposed pad requires an appropriate thermal and electrical land pattern, while microphone input routing, grounding, and decoupling must follow the manufacturer application guidance. Confirm package dimensions and pin assignments against the current manufacturer datasheet before releasing a PCB layout. This product record consolidates the available manufacturer documentation, distributor specifications, interface details, application guidance, and verified source links. It also distinguishes documented functions from parameters that still require board-specific design confirmation, helping engineers evaluate the AK5701VN before starting a compact audio-capture design.
AK5703EN - 24-Bit 4-Channel Audio ADC | Asahi Kasei AKM
The Asahi Kasei Microdevices/AKM AK5703EN is a low-power 24-bit, four-channel audio ADC with an integrated PLL, programmable microphone amplifiers, and ALC, supplied in a 28-QFN 4x4 mm package. It supports I2S and I2C interfaces, operates at a maximum sampling frequency of 48 kHz, and accepts a 2.4 V to 3.6 V analog supply range with a 1.6 V to 3.6 V digital supply range. An audio ADC is a mixed-signal data converter that accepts analog microphone or line-level signals and converts them into high-resolution digital samples for processing by a host processor. The AK5703EN belongs to the audio ADC hierarchy within data converters, interface ICs, and mixed-signal semiconductors. Its four-channel architecture allows one converter to handle several microphone or stereo audio inputs while sharing a common digital audio interface. The device combines 24-bit conversion, programmable microphone amplification, ALC, and PLL functions in one compact package. The microphone amplifiers provide adjustable analog gain for different source levels, while automatic level control helps maintain a suitable signal amplitude and improve usable dynamic range. The integrated PLL provides a clock-related function for digital audio data conversion and supports flexible system clocking. Low-power operation makes the converter suitable for compact audio capture equipment where energy use and board area are important. The AK5703EN supports both I2S and I2C digital interfaces, allowing it to connect to digital audio processors, application processors, or audio-oriented microcontrollers. Its 28-QFN 4x4 mm package supports dense PCB layouts but requires careful thermal-pad connection and short signal routing. The exposed pad provides the primary thermal and electrical land beneath the device, while analog input, digital interface, clock, power, and ground pins must be assigned according to the manufacturer pin-description table. Typical applications include USB microphones, voice-recording products, conference equipment, headset interfaces, soundbars, audio conferencing terminals, and embedded voice-capture systems. Four input channels are useful for small stereo or multi-microphone arrangements, while the integrated microphone amplifiers and ALC reduce the need for separate analog conditioning components. When designing a board around the AK5703EN, place input and decoupling capacitors close to their associated pins and keep microphone traces short and away from switching nodes. Confirm interface voltage levels, clock configuration, and register settings in the manufacturer datasheet. Treat the exposed pad as a thermal path and connect it to the intended ground-plane area according to the package drawing. This product page organizes the AK5703EN specifications, verified source links, interface and application guidance, engineering design notes, and available drop-in comparison information into one implementation-focused reference for hardware and sourcing engineers.
AK5704EN - 4-Channel 32-Bit 192kHz ADC | Asahi Kasei
Asahi Kasei Microdevices AK5704EN is a low-power four-channel 32-bit audio analog-to-digital converter with an integrated low-noise microphone amplifier, digital audio interface, PLL, and voice activity detection in a 28-pin QFN package measuring 4 mm by 4 mm. The device supports conversion up to 192 kHz and delivers 105 dB dynamic range for high-fidelity microphone capture. Its microphone amplifier can support up to 16 channels according to the manufacturer product information. An audio ADC is a specialized data-acquisition IC that converts microphone or line-level analog signals into digital samples for transmission, recording, or processing. Within the broader semiconductor hierarchy, the AK5704EN is an analog front end: a microphone amplifier and high-resolution ADC are integrated ahead of a digital audio interface. This combination reduces the number of external analog components and allows captured voice data to be supplied directly to an audio processor through a digital serial interface. The AK5704EN provides four 32-bit ADC channels, a 192 kHz maximum sampling rate, and I2S-format digital audio output. Its integrated low-noise microphone amplifier is designed to preserve the dynamic range of high-S/N microphones, while low power consumption supports portable and always-listening equipment. The integrated PLL supports systems requiring synchronized digital audio clocks, and voice activity detection can reduce unnecessary processing when no qualifying speech activity is present. The 28-QFN package consolidates four capture channels, analog conditioning, conversion, clocking, and digital output into a 4 mm by 4 mm footprint. This mixed-signal integration reduces board area, but the exposed-pad package requires careful PCB layout and thermal management. The I2S interface provides a conventional connection to audio codecs, digital signal processors, application processors, and other host devices. Typical uses include voice-recognition microphones, far-field voice control, conference terminals, smart speakers, hearing-support equipment, and connected microphones. In these systems, the AK5704EN can digitize microphone signals close to the transducer, limiting analog trace length and reducing susceptibility to interference. Its 192 kHz capability also supports high-resolution capture workflows where the host must still perform decimation or sample-rate conversion. For implementation, follow the manufacturer’s recommended input, clock, power, and exposed-pad layout instructions. Confirm microphone gain, analog input range, clock stability, interface mode, and channel aggregation before PCB release; the supplied web excerpts do not expose the complete electrical limits or pin definitions. Treat the values below as sourced facts and verify all marker-designated details against the current manufacturer datasheet. This page consolidates the verified manufacturer and distributor findings for the AK5704EN, documents the distinction between confirmed characteristics and unavailable technical details, and explains practical selection, layout, and signal-chain considerations beyond a basic distributor listing. Pricing reflects the observed source value as of 2026-10-28, while lifecycle, compliance, pinout, and detailed electrical conditions should be reconfirmed before production release.
AK5720VT - 24-Bit 96kHz Stereo Audio ADC | AKM
The Asahi Kasei Microdevices/AKM AK5720VT is a low-voltage, dual-channel, 24-bit audio analog-to-digital converter with a maximum sampling rate of 96 kHz, 102 dB dynamic range, I2S-compatible digital audio output, and an integrated input gain amplifier. It is packaged in a compact 16-pin TSSOP measuring approximately 4.40 mm wide. The integrated gain amplifier makes the converter suitable for microphone input stages, while the single-ended analog inputs help reduce the external signal-conditioning required in a digital-audio design. An audio ADC is a mixed-signal data-conversion IC that accepts analog audio voltage signals, samples them at controlled intervals, and converts each sample into a high-resolution digital representation. This function belongs to the broader ADC and DAC hierarchy, which forms part of the converter-IC and signal-processing markets. The AK5720VT is specifically an audio converter rather than a general-purpose instrumentation ADC, so its architecture and interfaces are optimized for digital-audio timing, channel data, and audio signal-chain requirements. The principal specifications available from the supplied manufacturer and distributor records include 24-bit conversion resolution, 96 kHz sampling capability, two-channel operation, 102 dB dynamic range, I2S digital output, and an integrated input gain amplifier. Its single-ended analog input arrangement can simplify the microphone preamplifier layout. The 16-TSSOP package is also substantially smaller than many older discrete multi-channel audio converter packages, although its exposed lead pitch still requires careful PCB layout. The AK5720VT supports digital-audio systems operating at up to 24 bits and 96 kHz. Its 102 dB dynamic range is relevant to applications where signal amplitude changes significantly and quiet passages must remain distinguishable from louder program material. The integrated input gain amplifier reduces the need for a separate gain stage when designing compact microphone-oriented front ends, while I2S-compatible output supports connection to digital-audio processors, receivers, transmitters, and interface controllers. Typical uses include digital recording equipment, microphone preampliers, sound-field acquisition systems, consumer-audio equipment, and industrial monitoring products. In each case, the converter’s role is to transform the analog microphone or line-level signal into digital audio data. System-level signal-to-noise performance still depends on the analog gain structure, power supply quality, clocking, grounding, PCB layout, and the performance of the downstream digital-audio processor. The primary design consideration is to treat the AK5720VT as a mixed-signal device. Place input and decoupling capacitors close to the appropriate pins, keep analog and digital return-current paths controlled, and use a clean clock source. Because the supplied records do not provide the complete manufacturer pin table, exact electrical limits, power-supply range, or absolute maximum ratings, those items should be confirmed in the manufacturer datasheet before schematic capture. This page consolidates the verified AKM product description, distributor specifications, sourcing links, interface details, and engineering guidance. It also distinguishes documented AK5720VT characteristics from parameters that require datasheet confirmation, helping engineers evaluate this 24-bit, 96 kHz audio ADC without confusing a similar converter with a verified drop-in replacement.
AK7601VQ - 48-LQFP Audio Processor ADC/DAC | AKM
The Asahi Kasei Microdevices AK7601VQ is an integrated audio-channel IC categorized by DigiKey as an Audio Channel device and listed by distributor data as an audio processor with ADC/DAC functions. The device is supplied in a 48-pin LQFP package and is available in tape-and-reel packaging. Its exact converter architecture, supported audio formats, sampling rates, clocking requirements, channel count, and analog performance ratings are not included in the supplied verified records. An audio processor with ADC/DAC capability is a specialized mixed-signal integrated circuit that converts between digital audio data and analog audio signals while providing associated control or signal-processing functions. Within the broader semiconductor hierarchy, the AK7601VQ belongs to the ADC/DAC and audio-special-purpose IC categories. It is therefore distinct from a general-purpose microcontroller and from a passive audio component such as a codec connector or crystal. The verified AK7601VQ listing identifies an integrated-circuit component with ADC/DAC positioning and a 48-LQFP package. This package provides a substantial pin count for mixed-signal connections, clock and control signals, digital data interfaces, analog audio channels, and power or ground pins. However, the supplied web records do not expose the pin table or exact electrical ratings, so designers must obtain the manufacturer datasheet before assigning any pin, voltage, impedance, or signal-integrity requirements. The AK7601VQ’s power, performance, and compatibility cannot be quantified from the supplied records alone. Required parameters include operating voltage, digital interface format, supported sample rates, ADC and DAC resolution, analog input or output range, clock frequency, operating temperature, and audio-channel count. Those values remain explicitly unverified rather than being inferred from the product family or from similarly named devices. Typical potential uses include digital audio recording, playback, sound-card, multimedia, communications, and embedded-audio systems, provided its later-confirmed interfaces and signal levels match the host design. Audio codec implementations such as the AK4117VF or AK4116VF may be useful companion choices when the AK7601VQ is used for broader audio conversion or processing. The correct codec and signal-chain arrangement must be selected only after checking format, clock, and channel compatibility. The principal design consideration is preventing an incomplete specification from becoming an invalid PCB design. Confirm the 48-LQFP footprint, exposed-pad requirements, analog supply arrangement, grounding strategy, clock source, and digital bus signaling against the official datasheet. This page consolidates verified distributor availability, package information, sourcing links, and engineering caveats that are not available from a basic distributor listing alone.