VFO-005

AD9833 Based VFO

• AD9833 Function Generator
  • 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: −40°C to +105°C
  • Power-down option
  • Update Rate: 25(max)
  • VOUT Maximum: 0.65V
  • VOUT Minimum: 38mV
  • VOUT Temperature Coefficient: 200°
  • Input High Voltage: 1.7-2.8V
  • Input Low Voltage: 0.5-0.7V
  • Input Current: 10µA
  • Input Capacitance: 3pF
  • Operating temperature range is −40°C to +105°C; typical specifications are at 25°C

Arduino Pro Mini