Datasheet

MAX9273
22-Bit GMSL Serializer with Coax or
STP Cable Drive
7Maxim Integrated
DC ELECTRICAL CHARACTERISTICS (continued)
(V
AVDD
= V
DVDD
= 1.7V to 1.9V, V
IOVDD
= 1.7V to 3.6V, R
L
= 100I ±1% (differential), EP connected to PCB ground (GND),
T
A
= -40NC to +105NC, unless otherwise noted. Typical values are at V
AVDD
= V
DVDD
= V
IOVDD
= 1.8V, T
A
= +25NC.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
OPEN-DRAIN INPUTS/OUTPUTS (RX/SDA, TX/SCL, GPIO_)
High-Level Input Voltage V
IH2
0.7 x
V
IOVDD
V
Low- Level Input Voltage V
IL2
0.3 x
V
IOVDD
V
Input Current I
IN2
(Note 3)
RX/SDA, TX/SCL -110 +1
FA
GPIO_ -80 +1
Low-Level Output Voltage V
OL2
I
OUT
= 3mA
V
IOVDD
= 1.7V to 1.9V 0.4
V
V
IOVDD
= 3.0V to 3.6V 0.3
DIFFERENTIAL SERIAL OUTPUTS (OUT+, OUT-)
Differential Output Voltage V
OD
Preemphasis off (Figure 1) 300 400 500
mV3.3dB preemphasis setting (Figure 2) 350 610
3.3dB deemphasis setting (Figure 2) 240 425
Change in V
OD
Between
Complementary Output States
DV
OD
25 mV
Output Offset Voltage
(V
OUT+
+ V
OUT-
)/2 = V
OS
V
OS
Preemphasis off 1.1 1.4 1.56 V
Change in V
OS
Between
Complementary Output States
DV
OS
25 mV
Output Short-Circuit Current I
OS
V
OUT+
or V
OUT-
= 0V -62
mA
V
OUT+
or V
OUT-
= 1.9V 25
Magnitude of Differential Output
Short-Circuit Current
I
OSD
V
OD
= 0V 25 mA
Output Termination Resistance
(Internal)
R
O
From V
OUT+
, V
OUT-
to V
AVDD
45 54 63
I
SINGLE-ENDED SERIAL OUTPUTS (OUT+, OUT-)
Single-Ended Output Voltage V
OD
Preemphasis off, high drive (Figure 3) 375 500 625
mV
3.3dB preemphasis setting, high drive
(Figure 2)
435 765
3.3dB deemphasis setting, high drive
(Figure 2)
300 535
Output Short-Circuit Current I
OS
V
OUT+
or V
OUT-
= 0V -69
mA
V
OUT+
or V
OUT-
= 1.9V 32
Output Termination Resistance
(Internal)
R
O
From V
OUT+
or V
OUT-
to V
AVDD
45 54 63
I