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Product Detailed Parameters
- Description：IC DDS 10BIT 50MHZ CMOS 48-TQFP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Bulk
- Resolution (Bits)：10 b
- Master fclk：50 MHz
- Tuning Word Width (Bits)：32 b
- Voltage - Supply：4.75V ~ 5.25V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：48-LQFP
- Supplier Device Package：48-LQFP (7x7)
- Grade：-
- Qualification：-
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Overview
The AD9830AST-REEL is a complete Direct Digital Synthesis (DDS) device manufactured by Analog Devices Inc. It integrates a numerically controlled oscillator, a sine look-up table, and a 10-bit digital-to-analog converter on a single CMOS chip. The component supports clock rates up to 50 MHz and offers frequency accuracy of one part in 4 billion. It features parallel loading capabilities, phase modulation, and frequency modulation functions. The device operates with a +5 V power supply and includes a power-down option for low-power applications. It is housed in a 48-pin QFP package.
Feature Summary
- Integrates a 32-bit phase accumulator, sine look-up table, and 10-bit DAC on a single CMOS chip.
- Supports direct digital synthesis with clock rates up to 50 MHz and high frequency resolution.
- Provides internal modulation capabilities for both phase and frequency control via parallel interface.
- Includes an onboard voltage reference and a dedicated low-power sleep mode.
Applications
- Direct Digital Synthesis tuning
- Digital demodulation
- Frequency shift keying (FSK) generation
- Phase shift keying (PSK) implementation
Procurement Notes
Verify the specific suffix 'ASTZ' or 'REEL' against the manufacturer's current documentation to confirm package type and reel configuration. Ensure the operating temperature range meets industrial requirements. Confirm pin compatibility with the target PCB footprint before integration.
Selection Notes
Select this component when a fully integrated DDS solution with a 50 MHz update rate is required. Consider the 10-bit resolution and 72 dB SFDR for signal purity needs. Evaluate the parallel interface constraints against the host microprocessor capabilities. Verify power consumption limits against system thermal budgets.
Part Context
This part belongs to the AD9830 series of complete DDS synthesizers from Analog Devices. It is designed for applications requiring precise frequency and phase control. The device replaces discrete NCO and DAC implementations, simplifying circuit design for RF and communications systems.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Consult official Analog Devices documentation for cross-reference information.
