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Features
- 2.3 V to 5.5 V power supply
- MCLK speed: 16 MHz (B grade), 5 MHz (A grade)
- Output frequency up to 8 MHz
- Sinusoidal and Triangular Outputs
- On-board comparator
- 3-wire SPI interface
- Extended temperature range: −40°C to +125°C
- See datasheet for additional features
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The AD9838 is a 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 11 mW of power at 2.3 V the AD9838 is an ideal candidate for power-sensitive applications.
Capability for phase modulation and frequency modulation is provided. The frequency registers are 28 bits; with a 16 MHz clock rate, resolution of 0.06 Hz can be achieved; with a 5 MHz clock rate, the AD9838 can be tuned to 0.02 Hz resolution. Frequency and phase modulation are configured by loading registers through the serial interface and toggling the registers using software or the FSELECT pin and PSELECT pin, respectively.
The AD9838 is written to via 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 AD9838 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 current consumption. For example, the DAC can be powered down when a clock output is being generated.
The AD9838 is available in a 20-lead LFCSP_WQ package.
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
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AD9838
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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 |
|---|---|---|---|
| AD9838ACPZ-RL |
20-Lead LFCSP (4mm x 4mm w/ EP)
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| AD9838ACPZ-RL7 |
20-Lead LFCSP (4mm x 4mm w/ EP)
|
|
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| AD9838BCPZ-RL |
20-Lead LFCSP (4mm x 4mm w/ EP)
|
|
|
| AD9838BCPZ-RL7 |
20-Lead LFCSP (4mm x 4mm w/ EP)
|
|
- AD9838ACPZ-RL
- Pin/Package Drawing
-
20-Lead LFCSP (4mm x 4mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD9838ACPZ-RL7
- Pin/Package Drawing
-
20-Lead LFCSP (4mm x 4mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD9838BCPZ-RL
- Pin/Package Drawing
-
20-Lead LFCSP (4mm x 4mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
- AD9838BCPZ-RL7
- Pin/Package Drawing
-
20-Lead LFCSP (4mm x 4mm w/ EP)
- Documentation
-
HTML
Material Declaration
-
HTML
Reliablity Data
- CAD Symbols, Footprints, and 3D Models
-
Ultra Librarian
-
SamacSys
Filter by Model
Part Models
Product Lifecycle
PCN
Jul 5, 2022
- 21_0271
Qualification of an Alternate Adhesive Material and Molding Compound for Select LFCSP Packages
AD9838ACPZ-RL
PRODUCTION
AD9838ACPZ-RL7
PRODUCTION
AD9838BCPZ-RL
PRODUCTION
AD9838BCPZ-RL7
PRODUCTION
Oct 18, 2016
- 16_0036
Assembly Relocation to Stats ChipPAC Jiangyin and Test Transfer to Stats ChipPAC Singapore of Select LFCSP Products
AD9838ACPZ-RL
PRODUCTION
AD9838ACPZ-RL7
PRODUCTION
AD9838BCPZ-RL
PRODUCTION
AD9838BCPZ-RL7
PRODUCTION
Aug 6, 2014
- 13_0230
Assembly and Test Transfer of Select 3.5x3.5, 4x3, 4x4, and 5x5mm LFCSP Products to STATS ChipPAC China
AD9838ACPZ-RL
PRODUCTION
AD9838ACPZ-RL7
PRODUCTION
AD9838BCPZ-RL
PRODUCTION
AD9838BCPZ-RL7
PRODUCTION
Filter by Model
Part Models
Product Lifecycle
PCN
Jul 5, 2022
- 21_0271
Qualification of an Alternate Adhesive Material and Molding Compound for Select LFCSP Packages
AD9838ACPZ-RL
PRODUCTION
AD9838ACPZ-RL7
PRODUCTION
AD9838BCPZ-RL
PRODUCTION
AD9838BCPZ-RL7
PRODUCTION
Oct 18, 2016
- 16_0036
Assembly Relocation to Stats ChipPAC Jiangyin and Test Transfer to Stats ChipPAC Singapore of Select LFCSP Products
AD9838ACPZ-RL
PRODUCTION
AD9838ACPZ-RL7
PRODUCTION
AD9838BCPZ-RL
PRODUCTION
AD9838BCPZ-RL7
PRODUCTION
Aug 6, 2014
- 13_0230
Assembly and Test Transfer of Select 3.5x3.5, 4x3, 4x4, and 5x5mm LFCSP Products to STATS ChipPAC China
AD9838ACPZ-RL
PRODUCTION
AD9838ACPZ-RL7
PRODUCTION
AD9838BCPZ-RL
PRODUCTION
AD9838BCPZ-RL7
PRODUCTION
Software & Part Ecosystem
FPGA/HDL
Device Drivers
Looking for Evaluation Software? You can find it here
Evaluation Kits 1
EVAL-AD9838
AD9838 Evaluation Board
Product Detail
Resources
