Datasheet

Data Sheet ADF4108
Rev. E | Page 5 of 20
TIMING CHARACTERISTICS
AV
DD
= DV
DD
= 3.3 V ± 2%, AV
DD
≤ V
P
≤ 5.5 V, AGND = DGND = CPGND = 0 V, R
SET
= 5.1 kΩ, dBm referred to 50 Ω, T
A
= T
MIN
to
T
MAX
, unless otherwise noted.
Table 2.
Parameter
1
Limit
2
(B Version) Unit Test Conditions/Comments
t
1
10 ns min DATA to CLOCK setup time
t
2
10 ns min DATA to CLOCK hold time
t
3
25 ns min CLOCK high duration
t
4
25 ns min CLOCK low duration
t
5
10 ns min CLOCK to LE setup time
t
6
20 ns min LE pulse width
1
Guaranteed by design but not production tested.
2
Operating temperature range (B Version) is −40°C to +85°C.
CLOCK
DB22
DB2
DATA
LE
t
1
LE
DB23 (MSB)
t
2
DB1
(CONTROL BIT C2)
DB0 (LSB)
(CONTROL BIT C1)
t
3
t
4
t
6
t
5
06015-002
Figure 2. Timing Diagram