Maxim Integrated MAX9277, Manual

Page: 10 / 72

(V
AVDD
= V
DVDD
= 1.7V to 1.9V, V
IOVDD
= 1.7V to 3.6V, V
LVDSVDD
= 3.0V to 3.6V, R
L
= 100Ω ±1% (differential), T
A
= -40° C to +105 ° C,
unless otherwise noted. Differential input voltage |V
ID
| = 0.1V to 1.2V, input common-mode voltage V
CM
= |V
ID
/2| to 2.4V - |V
ID
/2|.
Typical values are at V
AVDD
= V
DVDD
= V
IOVDD
= 1.8V, V
LVDSVDD
= 3.3V, T
A
= +25°C.) (Note 3)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
REVERSE CONTROL-CHANNEL RECEIVER (OUT+, OUT-)
High Switching Threshold V
CHR
Normal-immunity mode 27
mV
High-immunity mode 40
Low Switching Threshold V
CLR
Normal-immunity mode -27
mV
High-immunity mode -40
LINE FAULT DETECTION INPUT (LMN_)
Short-to-GND Threshold V
TG
( Figure 4 ) 0.3 V
Normal Threshold V
TN
( Figure 4 ) 0.57 1.07 V
Open Threshold V
TO
( Figure 4 ) 1.45
V
IO
+
0.06
V
Open Input Voltage V
IO
( Figure 4 ) 1.47 1.75 V
Short-to-Battery Threshold V
TE
( Figure 4 ) 2.47 V
LVDS INPUTS (RXIN_, RXCLKIN_)
Differential Input High
Threshold
V
TH
V
CM
= 1.2V 50 mV
Differential Input Low
Threshold
V
TL
V
CM
= 1.2V -50 mV
Input Differential Termination
Resistance
R
TERM
85 110 135 Ω
Input Current I
IN+
, I
IN-
PWDN = high or low, IN+ and IN- are
shorted
-25 +25 µA
Power-Off Input Current I
IN0+
, I
IN0-
V
AVDD
= V
DVDD
= V
IOVDD
= 0V -40 +40 µA
POWER SUPPLY
Total Supply Current
(AVDD + DVDD + IOVDD)
(Note 6) (Worst-Case
Pattern) ( Figure 5 )
I
WCS
BWS = low
f
PCLKIN_
= 16.6MHz 100 125
mA
f
PCLKIN_
= 33.3MHz 106 140
f
PCLKIN_
= 66.6MHz 123 155
f
PCLKIN_
= 104MHz 146 190
BWS = mid
f
PCLKIN_
= 36.6MHz 108 145
f
PCLKIN_
= 104MHz 152 195
LVDSVDD Worst-Case
Supply Current ( Figure 5 ,
Note 6)
I
WCS
BWS = low
f
PCLKIN_
= 16.6MHz 24 30
mA
f
PCLKIN_
= 33.3MHz 24 30
f
PCLKIN_
= 66.6MHz 24 30
f
PCLKIN_
= 104MHz 24 30
BWS = mid
f
PCLKIN_
= 36.6MHz 29 35
f
PCLKIN_
= 104MHz 29 35
MAX9277/MAX9281 3.12Gbps GMSL Serializers for Coax or
STP Output Drive and LVDS Input
www.maximintegrated.com
Maxim Integrated │ 10
DC Electrical Characteristics (continued)