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TDA1549T
D/A Converter, 18-Bit, 2 Func, CMOS, PDSO16
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TDA1549T 數據表
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詳細說明
GENERAL DESCRIPTIONThe TDA1549T (BCC-DAC1) is the first of a new generation of digital-to-analog converters featuring a unique combination of bitstream and continuous calibration concepts.FEATURES• Easy application• Finite-duration impulse-response (FIR) filtering and noise shaping incorporated• 2nd-order noise shaper• Wide dynamic range (true 18-bit resolution)• Low total harmonic distortion• No zero-crossing distortion• Superior signal-to-noise ratio• Bitstream continuous calibration conversion concept• Inherently monotonic• Voltage output (1.5 V RMS) at line drive level• Single supply rail (3.8 to 5.5 V)• Optimum output voltage level over the entire supply range• Small outline packaging (SO16)• Wide operating temperature range (−30 to +85 °C)• Standard Japanese input format• No analog post-filtering required• Low power consumption• Integrated operational amplifiers.
主要特徵
- Easy application
- Finite-duration impulse-response (FIR) filtering and noise shaping incorporated
- 2nd-order noise shaper
- Wide dynamic range (true 18-bit resolution)
- Low total harmonic distortion
- No zero-crossing distortion
- Superior signal-to-noise ratio
- Bitstream continuous calibration conversion concept
- Inherently monotonic
- Voltage output (1.5 V RMS) at line drive level
- Single supply rail (3.8 to 5.5 V)
- Optimum output voltage level over the entire supply range
- Small outline packaging (SO16)
- Wide operating temperature range (−30 to +85 °C)
- Standard Japanese input format
- No analog post-filtering required
- Low power consumption
- Integrated operational amplifiers.
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Rohs Code | No | Part Life Cycle Code | Transferred |
| Reach Compliance Code | 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 |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
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.
