The AD9832 is a numerically controlled oscillator employing a phase accumulator, a sine look-up table, and a 10-bit digital-to-analog converter (DAC) integrated on a single CMOS chip. Clock rates up to 25 MHz are supported.
The AD9832 is a numerically controlled oscillator that integrates a phase accumulator, a sine look-up table, and a 10-bit digital-to-analog converter (DAC) on a single CMOS chip. It supports clock rates up to 25 MHz and offers modulation capabilities for both frequency and phase through serial loading of registers.
| Resolution | 10 Bits |
|---|---|
| Update Rate (fMAX) | 25 MSPS nom |
| IOUT Full Scale | 4 mA nom / 4.5 mA max |
| Output Compliance | 1.35 V max |
| Signal -to-Noise Ratio | 50 dB min |
| Total Harmonic Distortion | -53 dBc max |
| Internal Reference Voltage @ 25°C | 1.21 V typ |
| Reference Temperature Coefficient (TC) | 100 ppm/° C typ |
| Operating temperature range | -40°C to +85 °C |
The device supports clock rates up to 25 MHz.
Yes, it includes a sine look-up table integrated with the DAC.
The current draw is 350 µA max in this mode.
Yes, a power-down bit allows reducing consumption to 5 mW (at 5V) or 3 mW (at 3V).