AK4458VN 32-bit 8ch Premium DAC, 115dB 768kHz, 48-pin QFN AKM DAC
Cut Tape (CT) Active 32 b b 768k k Special Purpose ADCs/DACs DSD, I2S 1.7V~5.5V V 48-VFQFN Exposed Pad Surface Mount 48-QFN (7x7)









Cut Tape (CT) Active 32 b b 768k k Special Purpose ADCs/DACs DSD, I2S 1.7V~5.5V V 48-VFQFN Exposed Pad Surface Mount 48-QFN (7x7)
The AK4458VN is a premium 32-bit DAC with 8 channels of AKM's VELVET SOUND architecture, which has been widely adopted by well-known high-end audio businesses. This article is going to introduce more details about AK4458VN DAC.
What is AK4458VN?
The AK4458VN is a premium 32-bit DAC with 8 channels of AKM 's VELVET SOUND architecture, which has been widely adopted by well-known high-end audio businesses. With its low-distortion architecture and 32-bit resolution digital filter processing; this technology achieves exquisite sound details. For high-resolution audio source playback, the digital input supports up to 768 kHz PCM and 11.2 MHz DSD (Direct Stream Digital). With a TDM interface and up to 8 channel variations, this premium multi-channel DAC series delivers a simple and best solution to a wide range of applications.
AK4458VN Pinout


AK4458VN Pinout
AK4458VN CAD Model

AK4458VN Symbol

AK4458VN Footprint

AK4458VN 3D Model
Specifications
- TypeParameter
- Factory Lead Time12 Weeks
- Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Surface Mount - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
48-VFQFN Exposed Pad - Supplier Device Package
The parameter "Supplier Device Package" in electronic components refers to the physical packaging or housing of the component as provided by the supplier. It specifies the form factor, dimensions, and layout of the component, which are crucial for compatibility and integration into electronic circuits and systems. The supplier device package information typically includes details such as the package type (e.g., DIP, SOP, QFN), number of pins, pitch, and overall size, allowing engineers and designers to select the appropriate component for their specific application requirements. Understanding the supplier device package is essential for proper component selection, placement, and soldering during the manufacturing process to ensure optimal performance and reliability of the electronic system.
48-QFN (7x7) - Operating Temperature
The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.
-40°C~105°C - Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Cut Tape (CT) - Published2015
- Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
2 (1 Year) - TypeDAC, Audio
- Voltage - Supply
Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.
1.7V~5.5V - Number of Channels8
- Data Interface
A Data Interface in EDQ is a template of a set of attributes representing a given entity, used to create processes that read from, or write to, interfaces rather than directly from or to sources or targets of data.
DSD, I2S - Sampling Rate (Per Second)
The sampling rate (per second) in electronic components refers to the frequency at which an analog signal is measured or sampled to convert it into a digital signal. It is typically expressed in Hertz (Hz) and indicates how many times per second the analog signal is sampled. A higher sampling rate allows for better representation of the original signal, capturing more detail and reducing distortion during the conversion process. In audio applications, for example, common sampling rates include 44.1 kHz for CD-quality audio and 48 kHz for video production.
768k - Voltage Supply Source
A voltage source is a two-terminal device which can maintain a fixed voltage. An ideal voltage source can maintain the fixed voltage independent of the load resistance or the output current. However, a real-world voltage source cannot supply unlimited current. A voltage source is the dual of a current source.
Analog Digital - Resolution (Bits)
Resolution (Bits) in electronic components refers to the number of bits used to represent the analog signal in digital form. It indicates the level of detail or precision with which the analog signal can be converted into digital data. A higher resolution means more bits are used, allowing for finer distinctions to be made between different signal levels. For example, an 8-bit resolution can represent 256 different levels, while a 16-bit resolution can represent 65,536 levels. In general, a higher resolution leads to better accuracy and fidelity in the digital representation of the original analog signal.
32 b - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
ROHS3 Compliant
AK4458VN Features
(1) DR,S/N: 115dB
(2) THD+N: -107dB
(3) 256x oversampling (OSR - Doubler)
(4) Sampling Rate: 8 kHz~768kHz
(5) 32Bit 8x Digital Filter
- Ripple: 0.0032dB, Attenuation: 80dB (Sharp Roll-Off Filter Setting)
- Five Types of High-Quality Sound Filter Option
- Sharp Roll-Off Filter
- Slow Roll-Off Filter
- Short Delay Sharp Roll-Off Filter (GD=5.8/fs)
- Short Delay Slow Roll-Off Filter (GD=4.8/fs)
- Super Slow Roll-Off Filter
(6) High Tolerance to Clock Jitter
(7) Low Distortion Differential Output
(8) DSD data input
(9) Daisy Chain
(10) Digital De-emphasis for 32, 44.1, 48kHz sampling
(11) Soft Mute
(12) Digital Attenuator (255 levels and 0.5dB step)
(13) I/F Format:
- 24/32bit MSB justified
- 16/20/24/32bit
- LSB justified
- I2S
- DSD
- TDM
(14) 3-wire Serial and I2C μP I/F
(15) Master Clock:
- 30kHz ~ 32kHz: 1152fs
- 30kHz ~ 54kHz: 512fs or 768fs
- 30kHz ~ 108kHz: 256fs or 384fs
- 108kHz ~ 216kHz: 128fs or 192fs
~ 384kHz: 64fs or 128fs
~ 768kHz: 64fs
(16) Digital Input Level: CMOS
(17) Power Supply:
- TVDD= 1.7 3.6V
- AVDD=3.0 5.5V
(18) Supporting 105°C Temperature (Exposed pad is connected to ground)
(19) Package: 48-pin QFN
Key Features of AK4458VN
TDM and Daisy Chain configurations for multi-channel applications
AK4458VN Applications
USB DACs
USB Headphones Sound
Plate/Bars
Car Audios
AV Receivers
CD/SACD Players
Network Audios
Automotive External Amplifiers
Measuring Instruments and Control Systems
AK4458VN Dimensions

AK4458VN Dimensions
AK4458VN Manufacturer
AKM Semiconductor is a wholly-owned subsidiary of Asahi Kasei Microdevices (AKM), Tokyo, Japan. AKMS, located in San Jose, California offers sales, marketing, and design support for North American customers. AKM designs and manufactures CMOS mixed-signal integrated circuits for applications including audio, multimedia, data storage, and telecommunications.
Hot sale parts from AKM are as follows: ak4490eq, ak4556vt, ak4118aeq, etc.
How many channels does the AK4458VN have?
8 channels
What is the use of AK4458VN?
The AK4458VN is a premium 32-bit DAC with 8 channels of AKM's VELVET SOUND architecture, which has been widely adopted by well-known high-end audio businesses. With its low-distortion architecture and 32-bit resolution digital filter processing; this technology achieves exquisite sound details.
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