規格
| 屬性 | 價值 |
| Package | Bulk,Tube |
| ProductStatus | Active |
| Resolution(Bits) | 10 b |
| Masterfclk | 180 MHz |
| TuningWordWidth(Bits) | 32 b |
| Voltage-Supply | 2.7V ~ 5.25V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 28-SSOP (0.209, 5.30mm Width) |
概述
Description
The AD9851BRSZ is a highly integrated direct digital synthesis (DDS) chip produced by Analog Devices. It is designed for generating precise frequency, phase, and amplitude-modulated signals and is commonly used in applications such as communication systems, function generators, and signal processing.
Key features of the AD9851BRSZ include:
1. Frequency Range: It supports a wide frequency range up to 180 MHz, making it suitable for high-frequency applications.
2. Resolution: Offers a 32-bit frequency tuning word for fine frequency resolution, along with a 10-bit digital-to-analog converter (DAC) for accurate signal synthesis.
3. Phase Modulation: Provides a 14-bit phase offset capability, allowing precise phase control.
4. Output: Generates both sine and square wave outputs.
5. Control: Operates via a serial or parallel interface, providing flexibility in system integration.
6. Package: Available in a compact surface-mount package ideal for space-constrained applications.
The AD9851BRSZ balances high performance with ease of use, making it a popular choice for engineers designing sophisticated RF signal generators or modulators.
Key features of the AD9851BRSZ include:
1. Frequency Range: It supports a wide frequency range up to 180 MHz, making it suitable for high-frequency applications.
2. Resolution: Offers a 32-bit frequency tuning word for fine frequency resolution, along with a 10-bit digital-to-analog converter (DAC) for accurate signal synthesis.
3. Phase Modulation: Provides a 14-bit phase offset capability, allowing precise phase control.
4. Output: Generates both sine and square wave outputs.
5. Control: Operates via a serial or parallel interface, providing flexibility in system integration.
6. Package: Available in a compact surface-mount package ideal for space-constrained applications.
The AD9851BRSZ balances high performance with ease of use, making it a popular choice for engineers designing sophisticated RF signal generators or modulators.
Equivalent
The AD9851BRSZ is a Direct Digital Synthesizer (DDS) chip by Analog Devices. Equivalent products include:
1. AD9850: A similar DDS chip from Analog Devices with slightly lower performance.
2. AD9834: Another DDS chip by Analog Devices with lower frequency range.
3. Si5351A: A clock generator by Silicon Labs, serving similar frequency synthesis purposes.
4. LTC6903: A precision frequency generator from Analog Devices' Linear Technology, though not a direct DDS equivalent.
These alternatives vary in features and specifications.
1. AD9850: A similar DDS chip from Analog Devices with slightly lower performance.
2. AD9834: Another DDS chip by Analog Devices with lower frequency range.
3. Si5351A: A clock generator by Silicon Labs, serving similar frequency synthesis purposes.
4. LTC6903: A precision frequency generator from Analog Devices' Linear Technology, though not a direct DDS equivalent.
These alternatives vary in features and specifications.
Features
The AD9851BRSZ is a highly integrated digital synthesizer that combines a direct digital synthesis (DDS) core, a high-speed 10-bit digital-to-analog converter (DAC), and an onboard comparator. Key features include:
1. Frequency Range: Capable of generating analog output frequencies up to 70 MHz.
2. DAC Resolution: Equipped with a 10-bit DAC for high precision.
3. Clock Speed: Supports clock rates up to 180 MHz.
4. Parallel and Serial Programming: Offers flexibility with both parallel and serial programming interfaces.
5. Phase Modulation: Allows user-specified phase modulation of the output signal.
6. Frequency Tuning Resolution: Provides a high tuning resolution with a 32-bit frequency tuning word.
7. Amplitude Control: Includes a 10-bit multiplier for digital amplitude control.
8. Power Supply: Operates with a single power supply voltage of 3.3 V or 5 V.
9. Low Power Consumption: Designed for efficient power use.
10. Packaging: Available in a 28-lead SSOP package.
These features make the AD9851BRSZ suitable for applications in signal generation, communications, and waveform synthesis.
1. Frequency Range: Capable of generating analog output frequencies up to 70 MHz.
2. DAC Resolution: Equipped with a 10-bit DAC for high precision.
3. Clock Speed: Supports clock rates up to 180 MHz.
4. Parallel and Serial Programming: Offers flexibility with both parallel and serial programming interfaces.
5. Phase Modulation: Allows user-specified phase modulation of the output signal.
6. Frequency Tuning Resolution: Provides a high tuning resolution with a 32-bit frequency tuning word.
7. Amplitude Control: Includes a 10-bit multiplier for digital amplitude control.
8. Power Supply: Operates with a single power supply voltage of 3.3 V or 5 V.
9. Low Power Consumption: Designed for efficient power use.
10. Packaging: Available in a 28-lead SSOP package.
These features make the AD9851BRSZ suitable for applications in signal generation, communications, and waveform synthesis.
Pinout
The AD9851BRSZ is a 28-pin device used for digital frequency synthesis, specifically a Direct Digital Synthesizer (DDS). It features a 10-bit digital-to-analog converter (DAC) and operates at a maximum clock frequency of 180 MHz. The key functions of the AD9851 include generating analog output waveforms such as sine waves, square waves, and triangular waves with high precision and stability.
Key pin functions include:
- Power Supply Pins: VDD and GND for power supply and ground.
- Clock Input Pins: Provides the system clock input for frequency synthesis.
- Data Input Pins: Communicates with external control devices to set frequency, phase, and amplitude parameters.
- DAC Output Pin: Outputs the synthesized analog waveform.
- Control Pins: Used for mode selection, power-down control, and serial/parallel data transfer configuration.
The device is typically used in applications requiring stable and precise frequency sources, such as in communication systems, test equipment, and waveform generation systems.
Key pin functions include:
- Power Supply Pins: VDD and GND for power supply and ground.
- Clock Input Pins: Provides the system clock input for frequency synthesis.
- Data Input Pins: Communicates with external control devices to set frequency, phase, and amplitude parameters.
- DAC Output Pin: Outputs the synthesized analog waveform.
- Control Pins: Used for mode selection, power-down control, and serial/parallel data transfer configuration.
The device is typically used in applications requiring stable and precise frequency sources, such as in communication systems, test equipment, and waveform generation systems.
Manufacturer
The AD9851BRSZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational company known for designing and manufacturing a broad range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company specializes in converting, conditioning, and processing real-world phenomena, such as temperature, pressure, sound, light, and motion, into electrical signals that can be used in a variety of electronic devices. Analog Devices serves industries such as telecommunications, consumer electronics, automotive, healthcare, and industrial automation, providing solutions that enhance the performance and efficiency of electronic systems.
Application
The AD9851BRSZ is a Direct Digital Synthesis (DDS) chip used in various applications such as signal generation, frequency synthesis, and waveform generation. It is commonly used in communication systems for generating RF signals, in test and measurement equipment for waveform generation, and in radar and sonar systems. Additionally, it finds applications in software-defined radios, signal processing, and automatic test equipment. Its ability to generate precise frequencies with high resolution makes it suitable for applications requiring accurate frequency control and modulation.
Package
The AD9851BRSZ is a Direct Digital Synthesis (DDS) IC that typically comes in a 28-lead Shrink Small Outline Package (SSOP). This package type is compact, suitable for surface-mount technology, and features a fine pitch that supports the integration of the IC onto printed circuit boards in space-constrained applications.