The AD9837ACPZ-RL7 is a low power, programmable Waveform Generator, capable of producing sine, triangular and square wave outputs. The output frequency and phase are software programmable, allowing easy tuning. The frequency registers are 28 bits with a 5MHz clock rate, resolution of 0.06Hz can be achieved with a 5MHz clock rate, it can be tuned to 0.02Hz resolution. It is written to via a 3-wire serial interface. This serial interface operates at clock rates up to 40MHz and is compatible with DSP and microcontroller standards. The device operates with a power supply from 2.3 to 5.5V. It 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.

• Digitally Programmable Frequency and Phase
• 8.5mW at 2.3V Power Consumption
• 16MHz (B Grade) and 5MHz (A Grade) MCLK Speed
• 0.06Hz at 16MHz Reference Clock 28-bit Resolution
• Sinusoidal, Triangular and Square Wave Outputs
• 3-wire SPI Interface
• Power-down Option

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