Datasheet

AD9920A
Rev. B | Page 15 of 112
EQUIVALENT CIRCUITS
R
A
V
DD
CCDIN
AVSS AVSS
06878-009
Figure 9. CCDIN
DVDD
DVSS DRVSS
DR
V
DD
T
HREE-
STATE
DATA
D0 TO D11
06878-010
Figure 10. Digital Data Outputs
V
DVDD
3.5k
Ω
XSUBCNT
VDVSS
06878-011
Figure 11. XSUBCNT
IOVDD
DIGITAL
INPUTS
IOVSS
330Ω
06878-012
Figure 12. Digital Inputs
HVDD OR
RGVDD
HVSS OR
RGVSS
THREE-STATE
RG, HL, H1 TO H8
OUTPUT
06878-013
Figure 13. H1 to H8, HL, RG Drivers
V
DVDD
3.5k
Ω
R
V
DR_EN
VDVSS
06878-014
Figure 14. VDR_EN