SAA5231
Teletext IC, PDIP28,
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SAA5231 數據表
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詳細說明
GENERAL DESCRIPTION The SAA5231 is a bipolar integrated circuit intended as a successor to the SAA5030. It extracts Teletext Data from the video signal, regenerates Teletext Clock and synchronizes the text display to the television syncs. The integrated circuit is intended to work in conjunction with CCT (Computer Controlled Teletext), EUROM or other compatible devices.Features • Adaptive data slicer • Data clock regenerator • Adaptive sync separator, horizontal phase detector and 6 MHz VCO forming display phase locked loop (PLL)
主要特徵
- Adaptive data slicer
- Data clock regenerator
- Adaptive sync separator, horizontal phase detector and 6 MHz VCO forming display phase locked loop (PLL)
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 | |
JESD-30 Code | R-PDIP-T28 | JESD-609 Code | e0 |
Number of Terminals | 28 | Operating Temperature-Max | 70 °C |
Operating Temperature-Min | Package Body Material | PLASTIC/EPOXY | |
Package Code | DIP | Package Equivalence Code | DIP28,.6 |
Package Shape | RECTANGULAR | Package Style | IN-LINE |
Power Supplies ! | 12 V | Qualification Status ! | Not Qualified |
Supply Current-Max | 105 mA | Surface Mount ! | NO |
Technology | BIPOLAR | Temperature Grade ! | COMMERCIAL |
Terminal Finish | Tin/Lead (Sn/Pb) | Terminal Form ! | THROUGH-HOLE |
Terminal Pitch ! | 2.54 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 SAA5231?
The SAA5231 is a digital frequency synthesizer integrated circuit designed by NXP Semiconductors (formerly Philips Semiconductors). It is commonly used in radio and audio equipment for generating stable and accurate frequency signals.
How Does SAA5231 Work?
The SAA5231 operates by synthesizing a precise frequency output based on the input reference frequency and control parameters. It uses a phase-locked loop (PLL) to generate a stable and selectable output frequency, making it suitable for tuning and frequency synthesis applications in radios and audio systems.
How Many Pins does SAA5231 have and What are the Functions of the Pinout Configuration?
The SAA5231 is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Positive power supply pin.
- GND: Ground pin.
- REFIN: Reference frequency input pin.
- VCOIN: Voltage control input pin.
- CLKOUT: Clock output pin.
- LDO1, LDO2, LDO3: Output pins for internal low dropout regulators.
- CP, LPF, FSEL: Control and configuration pins.
- SDA, SCL: I2C bus communication pins.
What are the Pros and Cons of SAA5231?
Pros:
- Frequency Synthesis: Capable of generating stable and accurate frequency signals for tuning and modulation.
- Integrated Regulators: Includes internal low dropout regulators, simplifying power supply design.
- I2C Interface: Supports I2C communication for easy control and configuration.
- Compact Package: The 16-pin SOIC package is space-efficient for various applications.
- Low Power Consumption: Operates with low power, suitable for battery-powered devices.
Cons:
- Complex Configuration: Requires careful consideration of control parameters for frequency synthesis.
- System Integration: May require additional components for complete radio or audio system integration.
Are There Any Equivalents/Alternatives to SAA5231 for Recommendation?
- The TEA5767 from NXP Semiconductors is a similar radio frequency synthesizer with integrated radio functions.
- Alternative frequency synthesizers include the SI5351 from Silicon Labs and the ADF4351 from Analog Devices.
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