TDA1549T
D/A Converter, 18-Bit, 2 Func, CMOS, PDSO16TDA1549T
D/A Converter, 18-Bit, 2 Func, CMOS, PDSO16
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Manufacturer Part # : TDA1549T
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Package/Case: SOP16
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Brand: Philips
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Product Categories : Audio Amplifiers
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.






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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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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TDA1549T DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Interested Parts
TDA1549T Description
The TDA1549T is a 16-bit stereo digital-to-analog converter (DAC) chip from NXP, designed for high-quality audio applications in various industries. This device provides low distortion and noise, wide dynamic range, and a single 5V power supply voltage, making it suitable for use in professional audio equipment, home theater systems, and automotive audio systems.
Features
- High-Quality Audio Performance: Provides low distortion and noise, wide dynamic range, and high-quality audio performance.
- Single 5V Power Supply Voltage: Requires only a single 5V power supply voltage, making it suitable for use in various applications.
- Compact Package: Available in a small outline package (SOT162-1) that contains 16 pins, making it easy to integrate into electronic circuits.
Applications
The TDA1549T is suitable for use in various applications, including professional audio equipment, home theater systems, and automotive audio systems.
Where to Use:
- Professional Audio Equipment: Suitable for use in professional audio equipment such as mixers, amplifiers, and effects processors.
- Home Theater Systems: Can be used in home theater systems to provide high-quality audio performance.
- Automotive Audio Systems: Suitable for use in automotive audio systems to provide high-quality audio performance.
Manufacturer
The TDA1549T is manufactured by NXP, a global leader in semiconductor technology. It falls under the category of digital-to-analog converters (DACs), which are designed to facilitate reliable and robust conversion of digital signals into analog signals.
Packages
The TDA1549T comes in a small outline package (SOT162-1) that contains 16 pins. This package is designed for surface-mount technology, offering a compact and efficient solution for integrating the DAC chip into electronic circuits.
Equivalent Parts of TDA1549T
- TAS1024: A comparable DAC chip from Texas Instruments that offers similar features and performance.
- AD1865A: An alternative DAC chip from Analog Devices that provides equivalent functionality.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | No | Part Life Cycle Code | Transferred |
HTS Code ! | 8542.39.00.01 | Converter Type | D/A CONVERTER |
Input Bit Code | 2'S COMPLEMENT | JESD-30 Code | R-PDSO-G16 |
JESD-609 Code | e0 | Number of Bits | 18 |
Number of Functions | 2 | Number of Terminals | 16 |
Operating Temperature-Max | 85 °C | Operating Temperature-Min | -30 °C |
Package Body Material | PLASTIC/EPOXY | Package Code | SOP |
Package Equivalence Code | SOP16,.4 | Package Shape | RECTANGULAR |
Package Style | SMALL OUTLINE | Power Supplies ! | 5 V |
Qualification Status ! | Not Qualified | Supply Voltage-Nom | 5 V |
Surface Mount ! | YES | Technology | CMOS |
Temperature Grade ! | OTHER | Terminal Finish | Tin/Lead (Sn/Pb) |
Terminal Form ! | GULL WING | Terminal Pitch ! | 1.27 mm |
Terminal Position | DUAL |
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 TDA1549T?
The TDA1549T is a stereo continuous calibration 16-bit digital-to-analog converter (DAC) designed by NXP Semiconductors. It is commonly used in audio applications such as CD players, digital audio systems, and multimedia devices to convert digital audio signals into high-quality analog audio output.
How Does TDA1549T Work?
The TDA1549T operates by converting digital audio signals into analog voltage outputs with high precision and linearity. It utilizes a 16-bit DAC architecture to ensure accurate signal conversion and reproduction. The DAC is designed for stereo applications, providing two channels of analog output for left and right audio channels.
How Many Pins does TDA1549T have and What are the Functions of the Pinout Configuration?
The TDA1549T is housed in a 16-pin DIL (Dual In-Line) package. The pinout configuration includes:
- VDD: Power supply pin.
- VSS: Ground pin.
- OSCL, OSCR: Clock input pins for the left and right channels, respectively.
- DATA: Serial data input pin for digital audio data.
- LRC: Left/right clock input for channel selection.
- LOUT: Analog output pin for the left channel.
- ROUT: Analog output pin for the right channel.
- Vref: Reference voltage pin for internal operations.
What are the Pros and Cons of TDA1549T?
Pros:
- High Resolution: Offers 16-bit resolution for accurate audio signal reproduction.
- Stereo Output: Provides dual-channel analog output for stereo audio applications.
- Continuous Calibration: Includes continuous calibration features for optimal performance over time.
- Low Distortion: Achieves low distortion and noise levels for high-quality audio output.
- Simple Interface: Interfaces easily with digital audio sources through a serial input.
Cons:
- External Components: May require external components for filtering and buffering to optimize audio performance.
- Limited Features: Compared to newer DACs, the TDA1549T may have fewer advanced features and specifications.
- Availability: As an older component, availability and support may be limited compared to newer DACs.
Are There Any Equivalents/Alternatives to TDA1549T for Recommendation?
- Alternatives to the TDA1549T include the PCM1794 from Texas Instruments and the CS43122 from Cirrus Logic, which offer similar audio performance and features.
- The Burr-Brown PCM1798 is another alternative with comparable audio quality and resolution.
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Price details
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