DAC39J84 POWER SUPPLY/ PHASE NOISE MEASUREMENTS 01-18-2017 Mandeep Singh
SETUP Assuming 8X Interpolation DAC Output Rate: 2560 MSPS Mixer Block Enabled Constant Input Value: 0x7FFF 2560MHz Input clock Power Measurement Settings JESD204B is Off Internal PLL Off DAC B, C and D are Off NCO Enabled QMC On
Current Measurements (A) Frequency (MHz) Power Rails 0.9V (VDIG, VDDT, VDDDA, VDDCLK) 1.8V (APLL, VDDR, VQPS, AREF, VDIO) 3.3V (ADAC, 3.3VCLK) 310 0.451 0.034 0.461 412.5 0.463 0.036 510 0.459 0.037 612.5 0.460 0.039 710 0.040 810 0.041
Fout at 310 MHz
Fout at 412.5 MHz
Fout at 510 MHz
Fout at 612.5 MHz
Fout at 710 MHz
Fout at 810 MHz