Datasheet

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MAX9257A/MAX9258A
Fully Programmable Serializer/Deserializer
with UART/I
2
C Control Channel
MAX9257A DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC_
= +3.0V to +3.6V, V
CCIO
= +1.71V to +3.6V, R
L
= 50I Q1%, T
A
= -40NC to +105NC, unless otherwise noted. Typical values are
at V
CC_
= +3.3V, T
A
= +25NC.) (Notes 2, 3)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input Current I
IN
V
IN
= 0 to V
CCIO
-20 +20
FA
V
IN
= 0 to V
CC,
REM input -20 +20
Input Clamp Voltage V
CL
I
CL
= -18mA -1.5 V
SINGLE-ENDED OUTPUTS
High-Level Output Voltage V
OH
I
OH
= -100FA
V
CCIO
-
0.1
V
I
OH
= -2mA
V
CCIO
-
0.35
Low-Level Output Voltage V
OL
I
OL
= 100FA
0.1
V
I
OL
= 2mA 0.3
Output Short-Circuit Current I
OS
Shorted to GND
V
CCIO
= +1.71V to +3V -40 -4
mA
V
CCIO
= +3V to +3.6V -50 -10
Shorted to V
CCIO
V
CCIO
= +1.71V to +3V 4 40
V
CCIO
= +3V to +3.6V 10 50
I
2
C/UART I/O
Input Leakage Current I
ILKG
V
I
= V
CCIO
-1 +1
FA
High-Level Input Voltage SDA/RX V
IH2
0.7 x
V
CCIO
V
Low-Level Input Voltage SDA/RX V
IL2
0.3 x
V
CCIO
V
Low-Level Output Voltage
SCL, SDA
V
OL2
R
PULLUP
= 1.6kI to V
CCIO
0.4 V
LVDS OUTPUTS (SDO+, SDO-)
Differential Output Voltage V
OD
Preemphasis off
(Figure 1)
250 350 460 mV
Change in V
OD
Between
Complementary Output States
DV
OD
25 mV
Common-Mode Voltage V
OS
1.050 1.25 1.375 V
Change in V
OS
Between
Complementary Output States
DV
OS
30 mV
Output Short-Circuit Current I
OS
V
SDO+
or V
SDO-
= 0 or 3.6V -15 +15 mA
Magnitude of Differential Output
Short-Circuit Current
I
OSD
V
OD
= 0V 15 mA
CONTROL CHANNEL TRANSCEIVER
Differential Output Voltage V
OD
250 350 460 mV
Input Hysteresis
(Figure 2)
VHYST+
Differential low-to-high threshold 25 90 165
mV
V
HYST-
Differential high-to-low threshold -25 -90 -165