Specifications

Gigabit Multimedia Serial Link Deserializer
with LVDS System Interface
MAX9268
_______________________________________________________________________________________ 5
AC ELECTRICAL CHARACTERISTICS (continued)
(V
AVDD
= V
DVDD
= 3.0V to 3.6V, V
IOVDD
= 1.7V to 3.6V, R
L
= 100Ω Q1% (differential), T
A
= -40NC to +105NC, unless otherwise noted.
Typical values are at V
AVDD
= V
DVDD
= V
IOVDD
= 3.3V, T
A
= +25NC.)
Note 2: Minimum I
IN
due to voltage drop across the internal pullup resistor.
Note 3: Measured in serial link bit times. Bit time = 1/(30 x f
TXCLKOUT_
) for BWS = GND. Bit time = 1/(40 x f
TXCLKOUT_
) for V
BWS
=
V
IOVDD
.
Note 4: Rising to rising-edge jitter can be twice as large.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
LVDS Output Pulse Position t
PPOSN
N = 0 to 6, t
CLK
=
1/f
TXCLKOUT_
,
f
TXCLKOUT_
=
104MHz
(Figure 7)
f
TXCLKOUT_
= 12.5MHz
N/7 x t
CLK
- 250
N/7 x
t
CLK
N/7 x t
CLK
+ 250
ps
f
TXCLKOUT_
= 33MHz
N/7 x t
CLK
- 200
N/7 x
t
CLK
N/7 x t
CLK
+ 200
f
TXCLKOUT_
= 78MHz
N/7 x t
CLK
- 125
N/7 x
t
CLK
N/7 x t
CLK
+ 125
f
TXCLKOUT_
= 104MHz
N/7 x t
CLK
- 100
N/7 x
t
CLK
N/7 x t
CLK
+ 100
LVDS Output Enable Time t
LVEN
From the last bit of the enable UART
packet to V
OS
= 1125mV
100
Fs
LVDS Output Disable Time t
LVDS
From the last bit of the enable UART
packet to V
OS
= 0V
100
Fs
Deserializer Delay t
SD
Figure 8 (Note 4) 3540 Bits
Reverse Control-Channel Output
Rise Time
t
R
No forward-channel data transmission
(Figure 1)
180 400 ns
Reverse Control-Channel Output
Fall Time
t
F
No forward-channel data transmission
(Figure 1)
180 400 ns
Lock Time t
LOCK
Figure 9 3.6 ms
Power-Up Time t
PU
Figure 10 4.1 ms
I
2
S OUTPUT TIMING
WS Jitter t
AJ-WS
t
WS
= 1/f
WS
,
rising (falling)
edge to falling
(rising) edge
(Note 5)
f
WS
= 48kHz or 44.1kHz
0.4e
-3
x t
WS
0.5e
-3
x t
WS
nsf
WS
= 96kHz
0.8e
-3
x t
WS
1e
-3
x t
WS
f
WS
= 192kHz
1.6e
-3
x t
WS
2e
-3
x t
WS
SCK Jitter t
AJ-SCK
t
SCK
= 1/f
SCK
,
rising edge to
rising edge
n
WS
= 16 bits, f
WS
=
48kHz or 44.1kHz
13e
-3
x t
SCK
16e
-3
x t
SCK
ns
n
WS
= 24 bits, f
WS
=
96kHz
39e
-3
x t
SCK
48e
-3
x t
SCK
n
WS
= 32 bits,
f
WS
= 192kHz
0.1
x t
SCK
0.13
x t
SCK
Audio Skew Relative to Video t
ASK
Video and audio synchronized 3 x t
WS
4 x t
WS
Fs
SCK, SD, WS Rise-and-Fall Time t
R,
t
F
20% to 80%
C
L
= 10pF, DCS = 1 0.3 3.1
ns
C
L
= 5pF, DCS = 0 0.4 3.8
SD, WS Valid Time Before SCK t
DVB
t
SCK
= 1/f
SCK
(Figure 11)
0.35 x
t
SCK
0.5 x
t
SCK
ns
SD, WS Valid Time After SCK t
DVA
t
SCK
= 1/f
SCK
(Figure 11)
0.35 x
t
SCK
0.5 x
t
SCK
ns