AD9850BRS

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AD9850BRS

+BOM

IC DDS 125MHZ 10BIT 28SSOP

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Specifications

Attribute Value
Package Bulk,Tube
ProductStatus Active
Resolution(Bits) 10 b
Masterfclk 125 MHz
TuningWordWidth(Bits) 32 b
Voltage-Supply 3.3V, 5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 28-SSOP (0.209, 5.30mm Width)

Overview

Description

The AD9850BRS is a highly integrated Direct Digital Synthesis (DDS) chip from Analog Devices, designed for waveform generation applications. It is capable of generating analog output frequencies of up to 40 MHz, making it suitable for a range of applications including communications, function generators, and radars.
The AD9850BRS features a 10-bit digital-to-analog converter (DAC), which ensures high-resolution output, and a 32-bit frequency tuning word for precise frequency control. It operates with a single +5V power supply and provides a parallel or serial loading option for programming. The device also includes an internal comparator, which can be used to produce a square wave output, making it versatile for different types of signal generation.
The chip is known for its low power consumption and excellent phase noise performance, which are critical in maintaining signal integrity in demanding applications. Overall, the AD9850BRS is valued for its flexibility, precision, and ease of integration into various electronic systems.

Equivalent

The AD9850BRS is a Direct Digital Synthesis (DDS) chip from Analog Devices. Equivalent products include the AD9851 and AD9833 from Analog Devices, which offer similar functionality with variations in frequency range and features. The AD9951 and AD9954 are higher-performance alternatives. Additionally, you might consider the Si5351 from Silicon Labs, which offers clock generation capabilities. It is essential to review specific features and requirements to ensure compatibility with your application.

Features

The AD9850BRS is a highly integrated digital synthesizer with an onboard digital-to-analog converter (DAC). It features a 10-bit DAC and offers a 40 MHz clock rate, making it suitable for generating precise frequency outputs. This DDS (Direct Digital Synthesis) device can produce output frequencies up to 40 MHz with a frequency tuning resolution of about 0.0291 Hz, thanks to its 32-bit frequency tuning word. The AD9850BRS offers a fast phase switching capability with a phase resolution of 14 bits, allowing fine phase adjustments.
Additionally, the device supports both serial and parallel programming modes, enhancing its versatility. It includes an automatic power-down feature to conserve energy when the device is not in use. The AD9850BRS operates over a single supply voltage ranging from 2.7V to 5.25V, making it suitable for a wide range of applications. Its compact SSOP package ensures easy integration into various systems, and the low power consumption makes it particularly useful in portable and battery-powered devices. Overall, the AD9850BRS is ideal for applications requiring precise frequency and phase control.

Pinout

The AD9850BRS is a Direct Digital Synthesis (DDS) device produced by Analog Devices. It is commonly used for generating analog waveforms such as sine, square, and triangle waves. The AD9850BRS comes in a 28-pin SSOP package. Here is a brief overview of its pin functions:
1. Power Supply Pins:
- VCC: Positive supply voltage.
- GND: Ground.
2. Control Pins:
- W_CLK: Word load clock input.
- FQ_UD: Frequency update input.
- RESET: Reset input.
- PWRDWN: Power-down input.
3. Data Interface Pins:
- D0-D7: Parallel data input pins.
- DATA: Serial data input.
- CLK: Serial clock input.
- FQ_UD (also used for data update).
4. Output Pins:
- IOUT: Analog sine wave current output.
- IOUTB: Complementary analog current output.
5. Others:
- COMP: Complementary clock output.
- REF_CLK: Reference clock input.
- RSET: External resistor setting pin for full-scale output current.
These pins facilitate the device's operation as a versatile waveform generator, making it suitable for applications in communication systems, test equipment, and signal processing.

Manufacturer

The AD9850BRS is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in electronic equipment. The company is known for its high-performance products that serve a wide range of applications across various industries, including communications, automotive, industrial, healthcare, and consumer electronics.

Application

The AD9850BRS is a Direct Digital Synthesis (DDS) device that offers precise frequency and phase tuning capabilities. Its primary applications include:
1. Signal Generation: Used in function generators for producing accurate and stable waveforms.
2. Communication Systems: Employed in modulators and demodulators for RF communication.
3. Test and Measurement: Utilized in test equipment for frequency synthesis and system clock generation.
4. Radar and Sonar Systems: Assists in generating waveforms for signal processing.
5. Industrial and Medical Equipment: Used in applications requiring precise frequency control and stability.
Its versatility makes it suitable for various fields requiring high-precision frequency synthesis.

Package

The AD9850BRS is a Direct Digital Synthesis (DDS) IC fabricated by Analog Devices, and it comes in an SSOP (Shrink Small Outline Package) type. Specifically, it is a 28-lead SSOP package, which is compact and suitable for surface mounting on PCBs.

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