AD9952 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD9952

400 MSPS 14-Bit, 1.8 V CMOS Direct Digital Synthesizer

Analog Devices 

AD9952

Figure 16. Residual Phase Noise with FOUT = 159.5 MHz, FCLK = 400 MSPS

(Green), 4 × 100 MSPS (Red), and 20 × 20 MSPS (Blue)

t1 = 3.156ns

t2 = 3.04ns

∆t = –116.0PS

1/∆t = –8.621GHz

1

Figure 18. Residual Phase Noise with FOUT = 9.5 MHz, FCLK = 400 MSPS (Green),

4 ×100 MSPS (Red), and 20 × 20 MSPS (Blue)

FALL (R1) = 396.4PS

RISE(R2) = 464.3PS

R1

R2

CH1 200mVΩ

M 200PS 20.0GS/S IT 4.0PS/PT 3.1ns

A CH1 708mV

Figure 17. Residual Peak-to-Peak Jitter of DDS

and Comparator Operating Together at 160 MHz

REF2 200mV 500ns M 500PS 20.0GS/S IT 10.0PS/PT –100PS

A CH1 708mV

Figure 19. Comparator Rise and Fall Time at 160 MHz

Rev. 0 | Page 12 of 28

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