Rainbow-electronics MAX9217 Manual de usuario Pagina 3

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MAX9217
27-Bit, 3MHz-to-35MHz
DC-Balanced LVDS Serializer
_______________________________________________________________________________________ 3
AC ELECTRICAL CHARACTERISTICS
(V
CC_
= +3.0V to +3.6V, R
L
= 100Ω±1%, C
L
= 5pF, PWRDWN = high, T
A
= -40°C to +85°C, unless otherwise noted. Typical values
are at V
CC_
= +3.3V, T
A
= +25°C.) (Note 4)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
PCLK_IN TIMING REQUIREMENTS
Clock Period t
T
Figure 2 28.57 333.00 ns
Clock Frequency f
CLK
3 35 MHz
Clock Frequency Difference from
Deserializer Reference Clock
f
CLK
-2 +2 %
Clock Duty Cycle DC t
HIGH
/t
T
or t
LOW
/t
T,
Figure 2 35 50 65 %
Clock Transition Time t
R
, t
F
Figure 2 2.5 ns
SWITCHING CHARACTERISTICS
Output Rise Time t
RISE
20% to 80%, V
OD
250mV,
modulation off, Figure 3
215 350 ps
Output Fall Time t
FALL
80% to 20%, V
OD
250mV,
modulation off, Figure 3
206 350 ps
Input Setup Time t
SET
Figure 4 3 ns
Input Hold Time t
HOLD
Figure 4 3 ns
Serializer Delay t
SD
Figure 5
3.15 x
t
T
3.2 x
t
T
ns
PLL Lock Time t
LOCK
Figure 6
16385 x
t
T
ns
Power-Down Delay t
PD
Figure 7 1 µs
DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC_
= +3.0V to +3.6V, R
L
= 100Ω±1%, PWRDWN = high, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at
V
CC_
= +3.3V, T
A
= +25°C.) (Notes 1, 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Differential Output Resistance R
O
78 110 147
3MHz 15 25
5MHz 18 25
10MHz 23 28
20MHz 33 39
Worst-Case Supply Current
I
CCW
R
L
= 100 ± 1%,
C
L
= 5pF,
continuous 10
transition words,
modulation off
35MHz 50 70
mA
Power-Down Supply Current I
CCZ
(Note 3) 50 µA
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