DS1877 Ver la hoja de datos (PDF) - Maxim Integrated
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DS1877 Datasheet PDF : 65 Pages
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SFP Controller for Dual Rx Interface
ABSOLUTE MAXIMUM RATINGS
Voltage Range on RSSI1_, RSSI2_, INX, LOS1,
and LOS2 Pins Relative to Ground...... -0.5V to (VCC + 0.5V)*
Voltage Range on VCC, SDA, SCL, OUTX, FAULT,
RSELOUT, and LOSOUT Pins Relative to Ground....-0.5V to +6V
Continuous Power Dissipation
28-Pin TQFN (derate 34.5mW/NC) above +70NC....2758.6mW
Operating Temperature Range........................... -40NC to +95NC
Programming Temperature Range........................ 0NC to +95NC
Storage Temperature Range............................ -55NC to +125NC
Lead Temperature (soldering, 10s).................................+300NC
Soldering Temperature (reflow).......................................+260NC
*Subject to not exceeding +6V.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
(TA = -40NC to +95NC, unless otherwise noted.)
PARAMETER
Main Supply Voltage
High-Level Input Voltage
(SDA, SCL)
SYMBOL
VCC (Note 1)
VIH:1
CONDITIONS
Low-Level Input Voltage
(SDA, SCL)
VIL:1
High-Level Input Voltage
(FAULT, RSEL, INX, LOS1,
LOS2)
VIH:2
Low-Level Input Voltage
(FAULT, RSEL, INX, LOS1,
LOS2)
VIL:2
MIN
+2.85
0.7 x
VCC
-0.3
2.0
TYP
MAX
+3.9
VCC +
0.3
0.3 x
VCC
UNITS
V
V
V
VCC +
0.3
V
-0.3
+0.8
V
DC ELECTRICAL CHARACTERISTICS
(VCC = +2.85V to +3.9V, TA = -40NC to +95NC, unless otherwise noted.)
PARAMETER
Supply Current
Output Leakage (SDA, OUTX,
RSELOUT, LOSOUT, FAULT)
SYMBOL
CONDITIONS
ICC
(Notes 1, 2)
ILO
Low-Level Output Voltage
IOL = 4mA
(SDA, OUTX, RSELOUT, LOSOUT,
VOL
DAC1, DAC2, FAULT)
IOL = 6mA
High-Level Output Voltage
(DAC1, DAC2)
DAC1 and DAC2 Before LUT
Recall
Input Leakage Current
(SCL, RSEL, INX, LOS1, LOS2)
Digital Power-On Reset
Analog Power-On Reset
VOH IOH = 4mA
ILI
POD
POA
MIN TYP MAX UNITS
2.5
10
mA
1
FA
VCC -
0.4
0.4
V
0.6
V
10
100
nA
1
FA
1.0
2.2
V
2.0
2.75
V
5
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