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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
Package included:
5 x AD9833 programmable module
Robert L.
Reviewed in the United States on November 11, 2024
I've now used about 25 of these modules and all are doing a great job for me. Buying this module is actually less expensive than putting the component parts on a pcb for my low volume applications.
EDWARD B.
Reviewed in the United States on September 4, 2022
Using it for filter measurement and synths, along with the MD_AD9833 Arduino library and SAMD21 tiny ARM M0 SOC. Using bit-banging currently (the 3-argument constructor), which controls the AD9833 just fine. I think the hardware SPI in the library may be set too high at 14MHz for the SAMD21 which only reaches 8MHz for I/O pins, but not sure and haven't tried recompiling - the code says the hardware SPI is unreliable. AD9833 produces a 600mV sine. A crystal, plus digital generation makes for repeatable, stable, temperature-independent frequencies, unlike the analog alternatives like Exar 2206 and 8038, charming as they are.
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