AD9834
PRODUCTION20 mW Power, 2.3 V to 5.5 V, 75 MHz Complete DDS
- Part Models
- 5
- 1ku List Price
- Starting From $7.28
Part Details
- Narrow-band SFDR >72 dB
- 2.3 V to 5.5 V power supply
- Output frequency up to 37.5 MHz
- Sine output/triangular output
- On-board comparator
- 3-wire SPI® interface
- Extended temperature range: −40°C to +105°C
- See datasheet for additional features
The AD9834 is a 75 MHz low power DDS device capable of producing high performance sine and triangular outputs. It also has an on-board comparator that allows a square wave to be produced for clock generation. Consuming only 20 mW of power at 3 V makes the AD9834 an ideal candidate for power-sensitive applications.
Capability for phase modulation and frequency modulation is provided. The frequency registers are 28 bits; with a 75 MHz clock rate, resolution of 0.28 Hz can be achieved. Similarly, with a 1 MHz clock rate, the AD9834 can be tuned to 0.004 Hz resolution. Frequency and phase modulation are affected by loading registers through the serial interface and toggling the registers using software or the FSELECT pin and PSELECT pin, respectively.
The AD9834 is written to using a 3-wire serial interface. This serial interface operates at clock rates up to 40 MHz and is compatible with DSP and microcontroller standards.
The device operates with a power supply from 2.3 V to 5.5 V. The analog and digital sections are independent and can be run from different power supplies, for example, AVDD can equal 5 V with DVDD equal to 3 V.
The AD9834 has a power-down pin (SLEEP) that allows external control of the power-down mode. Sections of the device that are not being used can be powered down to minimize the current consumption. For example, the DAC can be powered down when a clock output is being generated.
The part is available in a 20-lead TSSOP.
APPLICATIONS
- Frequency stimulus/waveform generation
- Frequency phase tuning and modulation
- Low power RF/communications systems
- Liquid and gas flow measurement
- Sensory applications: proximity, motion, and defect detection
- Test and medical equipment
Documentation
Data Sheet 1
User Guide 1
Application Note 24
Technical Articles 21
Product Highlight 1
Frequently Asked Question 1
Product Highlight 1
Device Drivers 3
Circuit Note 1
3rd Party Solutions 2
Analog Dialogue 5
Webcast 2
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| AD9834BRUZ | 20-Lead TSSOP | ||
| AD9834BRUZ-REEL | 20-Lead TSSOP | ||
| AD9834BRUZ-REEL7 | 20-Lead TSSOP | ||
| AD9834CRUZ | 20-Lead TSSOP | ||
| AD9834CRUZ-REEL7 | 20-Lead TSSOP |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Apr 5, 2021 - 21_0035 Amkor Philippines as an Alternate Site for TSSOP_4.4 |
||
| AD9834BRUZ | PRODUCTION | |
| AD9834BRUZ-REEL | PRODUCTION | |
| AD9834BRUZ-REEL7 | PRODUCTION | |
| AD9834CRUZ | PRODUCTION | |
| AD9834CRUZ-REEL7 | PRODUCTION | |
|
Jul 23, 2014 - 13_0241 Qualification of ASE Chungli as an Alternate Assembly Site for Select 16L, 20L and 24L TSSOP Packages |
||
| AD9834BRUZ | PRODUCTION | |
| AD9834BRUZ-REEL | PRODUCTION | |
| AD9834BRUZ-REEL7 | PRODUCTION | |
| AD9834CRUZ | PRODUCTION | |
| AD9834CRUZ-REEL7 | PRODUCTION | |
|
Jan 20, 2012 - 11_0218 Halogen Free Material Change for Certain TSSOP Products at Carsem |
||
| AD9834BRUZ | PRODUCTION | |
| AD9834BRUZ-REEL | PRODUCTION | |
| AD9834BRUZ-REEL7 | PRODUCTION | |
| AD9834CRUZ | PRODUCTION | |
| AD9834CRUZ-REEL7 | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
FPGA/HDL 2
Device Drivers 3
Evaluation Software 0
Hardware Ecosystem
Tools & Simulations
ADIsimDDS (Direct Digital Synthesis)
ADIsimDDS uses mathematical equations to model and illustrate the overall performance of the selected device. ADIsimDDS calculates the required FTW, given the reference clock frequency and desired output frequency. This tool also models an estimate of the overall spectral performance, and allows the user to explore the effects of external reconstruction filters.
Open ToolEvaluation Kits
AD9834 Evaluation Board
Resources
Software
High-Performance Precision Impedance Analyzer Measurement Module
