AK4385ET
The AK4385ET delivers high-quality sound reproduction with its advanced Delta-Sigma technologyAK4385ET
The AK4385ET delivers high-quality sound reproduction with its advanced Delta-Sigma technology
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
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About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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Example
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Tape and Reel
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Cut Tape
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Tube or Tray
AK4385ET DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
AKM Semiconductor's AK4385ET is a groundbreaking 24-bit stereo digital-to-analog converter that sets the bar high in audio quality and performance. This cutting-edge converter delivers exceptional audio accuracy across various applications, including consumer electronics, automotive audio systems, and professional audio equipment. With a signal-to-noise ratio of 108 dB and a total harmonic distortion of -90 dB, the AK4385ET ensures pristine and faithful audio reproduction. Operating within a voltage supply range of 2.7V to 3.6V, it is well-suited for portable devices and low-power applications
Key Features
- Sampling Rate Ranging from 8kHz to 192kHz
- 128 times Oversampling (Normal Speed Mode)
- 64 times Oversampling (Double Speed Mode)
- 32 times Oversampling (Quad Speed Mode)
- 24-Bit 8 times FIR Digital Filter
- On chip SCF
- Digital de-emphasis for 32k, 44.1k and 48kHz sampling
- Soft mute
- Digital Attenuator (Linear 256 steps)
- I/F format: 24-Bit MSB justified, 24/20/16-Bit LSB justified or I2S
- Master clock: 256fs, 384fs, 512fs, 768fs or 1152fs (Normal Speed Mode)
- 128fs, 192fs, 256fs or 384fs (Double Speed Mode)
- 128fs, 192fs (Quad Speed Mode)
- THD+N: -94dB
- Dynamic Range: 108dB
- High Tolerance to Clock Jitter
- Power supply: 4.75 to 5.25V
- Very Small Package: 16pin TSSOP (6.4mm x 5.0mm)
- AK4381 Pin Compatible
Application
- Audio equipment: The AK4385ET is commonly used in various audio devices such as CD players, DVD players, home theater systems, amplifiers, and soundbars.
- Portable devices: It can be used in portable media players, smartphones, tablets, and other handheld devices where high-quality audio conversion is required.
- Car audio systems: The component can be integrated into car stereos and audio systems to enhance audio performance.
- Professional audio equipment: The AK4385ET is also suitable for use in studio equipment, mixers, audio interfaces, and other professional audio applications.
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | Yes | Part Life Cycle Code | Obsolete |
Part Package Code | TSSOP | Pin Count ! | 16 |
Reach Compliance Code | HTS Code ! | 8542.39.00.01 | |
Analog Output Voltage-Max | 2.95 V | Analog Output Voltage-Min | -2.95 V |
Converter Type | D/A CONVERTER | Input Bit Code | BINARY |
Input Format | SERIAL | JESD-30 Code | R-PDSO-G16 |
Length | 5 mm | Number of Bits | 24 |
Number of Functions | 1 | Number of Terminals | 16 |
Operating Temperature-Max | 85 °C | Operating Temperature-Min | -20 °C |
Package Body Material | PLASTIC/EPOXY | Package Code | TSSOP |
Package Shape | RECTANGULAR | Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
Peak Reflow Temperature (Cel) | 260 | Qualification Status ! | Not Qualified |
Seated Height-Max | 1.1 mm | Supply Voltage-Nom | 5 V |
Surface Mount ! | YES | Temperature Grade ! | OTHER |
Terminal Form ! | GULL WING | Terminal Pitch ! | 0.65 mm |
Terminal Position | DUAL | Time@Peak Reflow Temperature-Max (s) | 10 |
Width | 4.4 mm | Package | Tape & Reel (TR) |
Product Status | Obsolete | Type | DAC, Audio |
Number of Channels | 2 | Resolution (Bits) | 24 b |
Sampling Rate (Per Second) | 192k | Data Interface ! | I2S |
Voltage Supply Source ! | Single Supply | Voltage - Supply | 5V |
Operating Temperature ! | -25°C ~ 85°C | Mounting Type | Surface Mount |
Package / Case | 16-TSSOP (0.173", 4.40mm Width) | Supplier Device Package | 16-TSSOP |
Base Product Number | AK4385 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is AK4385ET?
The AK4385ET is a 24-bit stereo digital-to-analog converter (DAC) designed by Asahi Kasei Microdevices. It is suitable for audio applications requiring high-resolution, high-quality audio output, such as consumer audio devices, professional audio equipment, and automotive audio systems.
How Does AK4385ET Work?
The AK4385ET works by converting digital audio data into analog signals with high resolution and low distortion. It utilizes a multibit sigma-delta architecture to achieve high-quality audio reproduction, allowing for accurate playback of digital audio sources. The DAC features a built-in digital filter and outputs the analog signal through the internal operational amplifier.
How Many Pins does AK4385ET have and What are the Functions of the Pinout Configuration?
The AK4385ET is housed in a 24-pin QFN (Quad Flat No-leads) package. The pinout configuration includes:
- AVDD, DVDD: Analog and digital power supply pins, respectively.
- REFP, REFN: Reference voltage input pins.
- SDIN: Serial data input pin.
- LRCK: Left-right clock input pin.
- BICK: Bit clock input pin.
- MCLK: Master clock input pin.
- SDOUT: Serial data output pin.
- VOUTL, VOUTR: Analog output pins for the left and right channels, respectively.
What are the Pros and Cons of AK4385ET?
Pros:
- High Resolution: Provides 24-bit resolution for high-quality audio reproduction.
- Low Distortion: Achieves low distortion and noise for accurate audio playback.
- Integrated Digital Filter: Includes a built-in digital filter for simplified system design.
- Space-Efficient Package: The QFN package is space-efficient, suitable for compact designs.
Cons:
- External Components: May require external components such as a digital audio interface and analog output stage for optimal performance.
Are There Any Equivalents/Alternatives to AK4385ET for Recommendation?
- The PCM5242 from Texas Instruments is a similar 24-bit stereo DAC designed for high-fidelity audio applications.
- Alternatives to the AK4385ET include the CS43122 from Cirrus Logic and the WM8742 from Wolfson Microelectronics.
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