Datasheet

AD9430
Rev. E | Page 15 of 44
EQUIVALENT CIRCUITS
CLK+
OR
DS+
12kΩ
10kΩ
150Ω 150Ω
12kΩ
10kΩ
AVDD
CLK–
OR
DS–
02607-080
Figure 6. ENCODE and DS Input
VIN+
3.5k Ω
20k Ω
3.5k Ω
20k Ω
AV D D
VIN–
02607-007
Figure 7. Analog Inputs
S1, S2,
S4, S5
VDD
30k Ω
02607-008
Figure 8. S1 to S5 Inputs
A1
VREF
1k Ω
SENSE
200
Ω
0.1 μ F
DISABLE
A1
VDD
K
FULL
SCALE
S5 = 0 —> K = 1.24
S5 = 1 —> K = 0.62
–
+
1V
02607-009
Figure 9. VREF, SENSE I/O
DX
DR
V
DD
02607-010
Figure 10. Data Outputs (CMOS Mode)
DRVDD
DX–
DX+
V
V
V
V
02607-011
Figure 11. Data Outputs (LVDS Mode)