Audio D/A Converters - Asahi Kasei Microdevices

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1. Products
2. Audio Components
3. Audio D/A Converters

Audio D/A Converters

Audio Components

Audio D/A Converters

• Lineup
• Design Support
• What makes AKM different ?
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AKM’s audio D/A converters (DACs) provide solutions for high quality audio system with the original digital-analog mixing technology. They are used in variety of applications such as AV receivers, set-top boxes, speaker systems, digital TVs and car-entertainment systems, contributing to the sound quality and power consumption improvements and reducing external parts.

Featured Topics

AK4497S, AK4498EX/AK4191 Concept Video

AKM introduces the AK4497S and AK4498EX / AK4191 DACs as the latest evolution of its VELVET SOUNDTM audio technology.

A new concept video has been released, showcasing the philosophy and performance behind these next-generation DAC solutions.

Journey to HiFi Audio Products - Premium Audio DAC

AKM’s VELVET SOUNDTM audio brand is dedicated to reproducing sound “as if you were there,” pursuing ideal sound quality through the sophisticated fusion of analog and digital technologies.

This document introduces the design philosophy behind VELVET SOUND, along with the newly evolved premium stereo DAC AK4497S and the fully separated digital and analog architecture AK4191 + AK4498EX.

Download

AK4499EX / AK4191 Concept Video

AKM released a concept video to show the world view of the new flagship D/A converter (DAC) solution AK4499EX and AK4191. 

AK4493S / AK4490R Advanced VELVET SOUND Technology Developer's Interview

AKM has released the AK4493S and AK4490R DACs, as new products under the VELVET SOUND brand. We interviewed the developers about the latest evolution of VELVET SOUND technology.

Lineup

Part Number	Part Status	Number of Channels	Analog Output Type	Bits [bit]	THD+N [dB]	S/N [dB]	Power Supply Voltage (MIN.) [V]	Power Supply Voltage (TYP.) [V]	Power Supply Voltage (MAX.) [V]	2Vrms Line Driver	Headphone Amplifier	Other	Operating Temperature [℃]	Device Package	Number of Pins
▲ ▼	▲ ▼	▲ ▼	▲ ▼	▲ ▼	▲ ▼	▲ ▼	▲ ▼	▲ ▼	▲ ▼	▲ ▼	▲ ▼	▲ ▼	▲ ▼	▲ ▼	▲ ▼
AK4191EQ	MP	2	-	64	-153	156	3.3 / 1.8 / 1.2	-	-	VELVETSOUND, Digital Data Converter	-40 to 85	HTQFP	64
AK4331ECB	MP	2	Single	32	-100	109	1.7	1.8	1.9	-	Yes	VELVETSOUND, SRC	-40 to 85	WLCSP	36
AK4332ECB	MP	1	Single	32	-101	109	1.7	1.8	1.9	-	Yes	VELVETSOUND	-40 to 85	WLCSP	30
AK4333ECB	MP	2	Single	32	-100	109	1.7/1.14	1.8/1.2	1.9/1.26	-	Yes	VELVETSOUND, Parallel Mode	-40 to 85	WLCSP	24
AK4377AECB	MP	2	Single	32	-107	125	1.7	1.8	1.9	-	Yes	VELVETSOUND	-40 to 85	WLCSP	36
AK4377ECB	MP	2	Single	32	-109	128	1.7	1.8	1.9	-	Yes	VELVETSOUND	-40 to 85	WLCSP	36
AK4432VT	MP	2	Single	32	-91	108	3.0	3.3	3.6	-	-	VELVETSOUND, Automotive grade	-40 to 105	TSSOP	16
AK4436VN	MP	6	Single	32	-91	108	3.0	3.3	3.6	-	-	VELVETSOUND, Automotive grade	-40 to 105	HWQFN	32
AK4438VN	MP	8	Single	32	-91	108	3.0	3.3	3.6	-	-	VELVETSOUND, Automotive grade	-40 to 105	HWQFN	32
AK4452VN	MP	2	Differential	32	-107	115 / 111	3.3 / 3.3	5.0 / 3.3	5.5 / 3.6	-	-	VELVETSOUND, Automotive grade	-40 to 105	HWQFN	32
AK4454VN	MP	4	Differential	32	-107	115 / 111	3.0 / 3.0	5.0 / 3.3	5.5 / 3.6	-	-	VELVETSOUND, Automotive grade	-40 to 105	HWQFN	32
AK4456VN	MP	6	Differential	32	-107	115 / 111	3.0 / 3.0	5.0 / 3.3	5.5 / 3.6	-	-	VELVETSOUND, Automotive grade	-40 to 105	HVQFN	48
AK4458VN	MP	8	Differential	32	-107	115 / 111	3.0 / 3.0	5.0 / 3.3	5.5 / 3.6	-	-	VELVETSOUND, Automotive grade	-40 to 105	HVQFN	48
AK4490REQ	MP	2	Differential	32	-112	120 (123*)	4.75 / 3.0 / 1.7	5.0 / 3.3 / 1.8	5.25 / 3.6 / 1.98	-	-	VELVETSOUND	-40 to 85	LQFP	48
AK4493SEQ	MP	2	Differential	32	-115	123 (128*)	4.75 / 3.0 / 1.7	5.0 / 3.3 / 1.8	5.25 / 3.6 / 1.98	-	-	VELVETSOUND	-40 to 85	LQFP	48
AK4497SVQ	MP	2	Differential	32	-117	129 (133*)	4.75 / 1.7 / 1.7	5.0 / 1.8 / 1.8	5.25 / 3.6 / 1.98	-	-	VELVETSOUND, Automotive grade	-40 to 105	HTQFP	64
AK4498EXVQ	MP	2	Differential	-	-117	129 (133*)	4.75 / 1.7 / 1.7	5.0 / 1.8 / 1.8	5.25 / 3.6 / 1.98	-	-	VELVETSOUND	-40 to 105	HTQFP	64
AK4499EXEQ	MP	2	Differential	-	-124 (THD)	135 (138*)	4.75 / 1.7 / 1.7	5.0 / 1.8 / 1.8	5.25 / 3.6 / 1.98	-	-	VELVETSOUND | VERITA	-40 to 85	HTQFP	64

[Notes] * Monaural Mode

Design Support

Product-related FAQs

FAQ - Audio DACs

What makes AKM different ?

There are many audio ICs other than Asahi Kasei Microdevices (AKM) around the world. So which IC should be selected? One of the important factors is the sense of security that cannot be offered only from the specifications in the data sheet when customers are examining a product.  Here, we will introduce the reasons why AKM audio ICs are so popular.

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Applications

Professional Audio

• PA Equipment
• Audio Interfaces
• Measurement Instruments
• Control Systems
• Voice Conference Equipment

Home Audio

• High-end Audio
• AV Receivers
• CD/SACD Players
• Network Audio
• USB DAC’s
• USB Headphones
• Sound Plates
• Sound Bars
• HD Audio

Portable Audio

• Bluetooth Headphones
• True Wireless Earphones
• IC Recorders
• Smartphones

Automotive Audio

• Car Audio
• External Amplifiers for Car Audio

Contact AKM

Inquiries about Audio Components

To purchase a product or sample, ask technical questions about the product, request product information, please fill in the following form and send it to us.

Contact AKM