AD9837 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD9837
Manufacturer

ADI
ChipWorker Part#

CW622298642
Description

Low Power, 8.5mW, 2.3V to 5.5V, Programmable Waveform Generator
Documentation

Datasheet

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AD9837 Specifications

Attribute	Attribute Value

Part Number	AD9837
Manufacturer	ADI
ChipWorker Part#	CW622298642
Documentation	Datasheet
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Product Lifecycle Status	Recommended for New Designs

Product Description

Product Details
The AD9837 is a low power, programmable waveform generator capable of producing sine, triangular, and square wave outputs. Waveform generation is required in various types of sensing, actuation, and time domain reflectometry (TDR) applications. The output frequency and phase are software programmable, allowing easy tuning. 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 AD9837 can be tuned to 0.02 Hz resolution.
The AD9837 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 AD9837 has a power-down (SLEEP) function. Sections of the device that are not being used can be powered down to minimize the current consumption of the part. For example, the DAC can be powered down when a clock output is being generated.
The AD9837 is available in a 10-lead LFCSP_WD package.
**Applications**
Frequency stimulus/waveform generation
Liquid and gas flow measurement
Sensory applications: proximity, motion, and defect detection
Line loss/attenuation
Test and medical equipment
Sweep/clock generators
Time domain reflectometry (TDR) applications
### Features and Benefits
Digitally programmable frequency and phase
8.5 mW power consumption at 2.3 V
MCLK speed: 16 MHz (B grade), 5 MHz (A grade)
28-bit resolution: 0.06 Hz at 16 MHz reference clock
Sinusoidal, triangular, and square wave outputs
2.3 V to 5.5 V power supply
3-Wire SPI interface
Extended Temperature Range: –40°C to +125°C
Power-down option
10-Lead LFSCP

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