Interface - Direct Digital Synthesis (DDS)

Category Introduction

Direct Digital Synthesis (DDS) is used to produce analog waveforms of different frequencies from a digital signal. It is used for frequency control in wireless systems that must sweep across a wide range. The master frequencies clocks are 5MHz, 16MHz, 16.776MHz, 25MHz, 50MHz, 75MHz, 125MHz, 180MHz, 200MHz, 250MHz, 300MHz, 400MHz, 500MHz, 1GHz, 2.5GHz, and 3GHz with a resolution of 10 b, 12 b, or 14 b.

Product List

99 Items

Mfr Part #	Quantity Available	UnitPrice	Series	Packaging	Product Status	Resolution (Bits)	Master fclk	Tuning Word Width (Bits)	Voltage - Supply	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
AD9834BRUZ-REEL7 IC DDS 50MHZ 10BIT 20TSSOP Analog Devices Inc.	21	$13.92		Tape & Reel (TR)	Active	10 b	50 MHz	28 b	2.3V ~ 5.5V	-40°C ~ 105°C	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
AD9859YSVZ-REEL7 IC DDS 400MHZ 10BIT 48TQFP Analog Devices Inc.	12	$31.19		Tape & Reel (TR)	Active	10 b	400 MHz	32 b	1.71V ~ 1.96V	-40°C ~ 105°C	Surface Mount	48-TQFP Exposed Pad	48-TQFP-EP (7x7)
AD9851BRSZRL IC DDS 180MHZ 10BIT 28SSOP Analog Devices Inc.	18	$35.78		Tape & Reel (TR)	Active	10 b	180 MHz	32 b	2.7V ~ 5.25V	-40°C ~ 85°C	Surface Mount	28-SSOP (0.209", 5.30mm Width)	28-SSOP
AD9952YSVZ-REEL7 IC DDS 400MHZ 14BIT 48TQFP Analog Devices Inc.	10	$39.02		Tape & Reel (TR)	Active	14 b	400 MHz	32 b	1.71V ~ 1.96V	-40°C ~ 105°C	Surface Mount	48-TQFP Exposed Pad	48-TQFP-EP (7x7)
AD9959BCPZ-REEL7 IC DDS 500MHZ 10BIT 56LFCSP Analog Devices Inc.	14	$79.66		Tape & Reel (TR)	Active	10 b	500 MHz	32 b	1.71V ~ 1.96V	-40°C ~ 85°C	Surface Mount	56-VFQFN Exposed Pad, CSP	56-LFCSP-VQ (8x8)
AD9954YSV-REEL7 NUMERIC CONTROLLED OSCILLATOR Analog Devices Inc.	3	$27.34		Bulk	Active	14 b	400 MHz	32 b	1.8V	-40°C ~ 105°C	Surface Mount	48-TQFP Exposed Pad	48-TQFP-EP (7x7)
AD9858BSVZ IC DDS 1GHZ 10BIT 100TQFP Analog Devices Inc.	4	$111.08		Bulk	Active	10 b	1 GHz	32 b	3.14V ~ 3.47V	-40°C ~ 85°C	Surface Mount	100-TQFP Exposed Pad	100-TQFP-EP (14x14)
AD9833BRMZ-REEL IC DDS 25MHZ 10BIT 10MSOP Analog Devices Inc.	19	$10.93		Tape & Reel (TR)	Active	10 b	25 MHz	28 b	2.3V ~ 5.5V	-40°C ~ 105°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-MSOP
AD9833WBRMZ-REEL IC DDS 25MHZ 10BIT 10MSOP Analog Devices Inc.	60	$11.76	Automotive, ADI0012	Tape & Reel (TR)	Active	10 b	25 MHz	28 b	2.3V ~ 5.5V	-40°C ~ 105°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-MSOP
AD9835BRUZ-REEL7 IC DDS 50MHZ 10BIT 16TSSOP Analog Devices Inc.	19	$16.64		Tape & Reel (TR)	Active	10 b	50 MHz	32 b	4.75V ~ 5.25V	-40°C ~ 85°C	Surface Mount	16-TSSOP (0.173", 4.40mm Width)	16-TSSOP
AD5934YRSZ-REEL7 IC DDS 16.776MHZ 12BIT 16SSOP Analog Devices Inc.	16	$21.80		Tape & Reel (TR)	Active	12 b	16.776 MHz	-	2.7V ~ 5.5V	-40°C ~ 125°C	Surface Mount	16-SSOP (0.209", 5.30mm Width)	16-SSOP
AD9850BRSZ-REEL IC DDS 125MHZ 10BIT 28SSOP Analog Devices Inc.	11	$32.49		Tape & Reel (TR)	Active	10 b	125 MHz	32 b	3.3V, 5V	-40°C ~ 85°C	Surface Mount	28-SSOP (0.209", 5.30mm Width)	28-SSOP
AD9833SRMZ-EP-RL7 IC DDS 10BIT 10MSOP Analog Devices Inc.	12	$36.07		Tape & Reel (TR)	Active	10 b	-	28 b	2.3V ~ 5.5V	-55°C ~ 125°C	Surface Mount	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)	10-MSOP
AD9910BSVZ-REEL IC DDS 1GHZ 14BIT 100TQFP Analog Devices Inc.	9	$70.56		Tape & Reel (TR)	Active	14 b	1 GHz	32 b	1.8V, 3.3V	-40°C ~ 85°C	Surface Mount	100-TQFP Exposed Pad	100-TQFP-EP (14x14)
AD5932YRUZ IC DDS 50MHZ 10BIT 16TSSOP Analog Devices Inc.	31	$12.55		Tube	Active	10 b	50 MHz	24 b	2.3V ~ 5.5V	-40°C ~ 125°C	Surface Mount	16-TSSOP (0.173", 4.40mm Width)	16-TSSOP
AD9831ASTZ IC DDS 25MHZ 10BIT 48LQFP Analog Devices Inc.	44	$17.81		Tray	Active	10 b	25 MHz	32 b	2.97V ~ 5.5V	-40°C ~ 85°C	Surface Mount	48-LQFP	48-LQFP (7x7)
AD9851BRSZ IC DDS 180MHZ 10BIT 28SSOP Analog Devices Inc.	10	$35.76		Tube	Active	10 b	180 MHz	32 b	2.7V ~ 5.25V	-40°C ~ 85°C	Surface Mount	28-SSOP (0.209", 5.30mm Width)	28-SSOP
AD9952YSVZ IC DDS 400MHZ 14BIT 48TQFP Analog Devices Inc.	4	$39.51		Tray	Active	14 b	400 MHz	32 b	1.71V ~ 1.96V	-40°C ~ 105°C	Surface Mount	48-TQFP Exposed Pad	48-TQFP-EP (7x7)
AD9851BRS IC DDS 180MHZ 10BIT 28SSOP Analog Devices Inc.	5	$39.84		Tube	Active	10 b	180 MHz	32 b	2.7V ~ 5.25V	-40°C ~ 85°C	Surface Mount	28-SSOP (0.209", 5.30mm Width)	28-SSOP
AD9957BSVZ IC DDS 1GHZ 14BIT 100TQFP Analog Devices Inc.	14	$48.58		Tray	Active	14 b	1 GHz	32 b	1.8V, 3.3V	-40°C ~ 85°C	Surface Mount	100-TQFP Exposed Pad	100-TQFP-EP (14x14)

About Direct Digital Synthesis (DDS)

What are Direct Digital Synthesis (DDS)?

Direct Digital Synthesis (DDS)

Direct Digital Synthesis (DDS) is a method used to generate precise frequency signals from a fixed-frequency reference clock. The core principle of DDS involves digitally creating a waveform, typically a sine wave, by using a phase accumulator, a waveform lookup table, and a digital-to-analog converter (DAC). The phase accumulator increments at a rate proportional to the desired output frequency, and the resulting digital phase information is converted into an analog signal via the DAC. This process allows DDS systems to produce highly stable and accurate frequencies, making them invaluable in applications requiring precise signal generation.

Types of Direct Digital Synthesis (DDS)

Basic DDS Systems

Basic DDS systems are designed for straightforward frequency generation tasks. They are characterized by their simplicity and cost-effectiveness, making them suitable for applications where high precision is not critical. These systems typically offer limited frequency range and resolution but are ideal for educational purposes and basic signal generation tasks.

High-Performance DDS Systems

High-performance DDS systems are engineered for applications demanding high frequency resolution and stability. They feature advanced phase accumulators and high-resolution DACs, enabling them to produce signals with minimal phase noise and jitter. These systems are often used in telecommunications and instrumentation where signal integrity is paramount.

Multi-Channel DDS Systems

Multi-channel DDS systems provide the capability to generate multiple frequencies simultaneously. They are equipped with multiple phase accumulators and DACs, allowing independent control of each channel. This type of DDS is particularly useful in applications such as phased array radar systems and multi-tone signal generation.

How to choose Direct Digital Synthesis (DDS)?

When selecting a DDS system, several key parameters must be considered:

Frequency Range and Resolution: Determine the required frequency range and resolution based on your application needs. High-performance applications may require systems with higher resolution.
Phase Noise and Jitter: Evaluate the phase noise and jitter specifications, especially for applications where signal integrity is crucial.
Number of Channels: Consider whether a single-channel or multi-channel DDS is necessary for your application.
Power Consumption: Assess the power requirements, particularly for portable or battery-powered applications.
Supplier Reputation: Research the reliability and quality of different suppliers by reviewing customer feedback and industry reputation.
Environmental Factors: Consider the operating environment, including temperature and humidity, to ensure the DDS system can perform reliably under those conditions.

By carefully evaluating these parameters, you can select a DDS system that meets your specific application requirements and ensures long-term reliability.

Applications of Direct Digital Synthesis (DDS)

Telecommunications

In the telecommunications industry, DDS systems are employed for frequency synthesis in radio transmitters and receivers. They enable precise frequency tuning and modulation, essential for maintaining signal integrity in communication networks.

Instrumentation and Test Equipment

DDS technology is widely used in instrumentation and test equipment for generating accurate test signals. This is crucial for calibrating and testing electronic devices, ensuring they meet specified performance standards.

Radar Systems

Radar systems utilize DDS for generating stable and coherent signals required for target detection and tracking. The ability to produce multiple frequencies simultaneously makes DDS ideal for phased array radar applications.

Medical Imaging

In medical imaging, DDS systems are used in ultrasound equipment to generate precise frequencies for imaging and diagnostic purposes. The accuracy and stability of DDS-generated signals enhance image resolution and quality.

Consumer Electronics

In consumer electronics, DDS is applied in audio and video equipment for signal processing and frequency modulation. Its ability to produce high-quality signals contributes to improved audio and video performance.