Datasheet for EVAL-AD9838SDZ:
- Manufacturer Part Number : EVAL-AD9838SDZ
- Manufacturer : AD
- Description : 11 mW Power, 2.3 V to 5.5 V, Complete DDS IC
- Series : AD9838
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Direct Digital Synthesis
- Function : -
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : Evaluation Board
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : EVAL-AD9838SDZ
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- 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
- Power-down option
- 11 mW power consumption at 2.3 V
- 20-lead LFCSP
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
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
