3Pcs AD9833 Programmable Microprocessor Serial Interface ModuleFeatures: Digitally programmable frequency and phase 12. 65 mW power consumption at 3 V 0 MHz to 12. 5 MHz output frequency range 28 bit resolution: 0. 1 Hz at 25 MHz reference clock Sinusoidal, triangular, and square wave outputs 2. 3 V to 5. 5 V power supply No external components required 3 wire SPI interface Extended temperature range: 40C to +105C Power down option Update rate: 25(max) VOUT maximum: 0. 65V VOUT minimum: 38mV VOUT temperature