MAX4927 查看數據表（PDF） - Maxim Integrated
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MAX4927 Datasheet PDF : 13 Pages
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1000 Base-T, ±15kV ESD Protection LAN Switch
ABSOLUTE MAXIMUM RATINGS
VDD………………………………………………………-0.3V to +4V
All Other Pins…………………………………-0.3V to (VDD + 0.3V)
Continuous Current (A_ to _B_) ......................................±120mA
Continuous Current (LED_ to _LED_) .…………………… ±40mA
Peak Current (A_ to _B_)
(pulsed at 1ms, 10% duty cycle) ……………………. ±240mA
Current into Any Other Pin................................................±20mA
Continuous Power Dissipation (TA = +70°C)
56-Pin TQFN (derate 40.9mW/°C above +70°C) .......5278mW
Operating Temperature Range …………………. -40°C to +85°C
Junction Temperature.……………………………………. +150°C
Storage Temperature Range .…………………. -65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
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.
ELECTRICAL CHARACTERISTICS
(VDD = +3V to +3.6V, TA = TJ = TMIN to TMAX, unless otherwise noted. Typical values are at VDD = 3.3V, TA = +25°C.) (Note 1)
PARAMETER
ANALOG SWITCH
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
On-Resistance
RON
VDD = 3V,
IA_ = -40mA,
VA_ = 0, 1.5V, 3V
TA = +25°C
TMIN to TMAX
4
5.5
Ω
6.5
On-Resistance Match
Between Switch Pairs
(Note 2)
ΔRON
VDD = 3V,
IA_ = -40mA,
VA_ = 0, 1.5V, 3V
TA = +25°C
TMIN to TMAX
0.5
1.5
Ω
2
On-Resistance Flatness
On-Resistance LED Switches
RFLAT(ON) VDD = 3V, IA_ = -40mA, VA_ = 1.5V, 3V
RONLED VDD = 3V, I_LED_ = -40mA, VLED_ = 0, 1.5V, 3V
0.01
Ω
40
Ω
Off-Leakage Current
ILA_(OFF)
VDD = 3.6V, VA_ = 0.3V, 3.3V;
V_B1 or V_B2 = 3.3V, 0.3V
-1
+1
µA
On-Leakage Current
ESD PROTECTION
ESD Protection
ILA_(ON)
VDD = 3.6V, VA_ = 0.3V, 3.3V;
V_B1 or V_B2 = 0.3V, 3.3V, or floating
IEC 61000-4-2 Air-Gap Discharge
IEC 61000-4-2 Contact Discharge
Human Body Model (spec MIL-STD-883,
Method 3015)
-1
+1
µA
±15
±8
kV
±15
SWITCH AC PERFORMANCE
Insertion Loss
ILOS
RS = RL = 50Ω, unbalanced, f = 1MHz
(Note 2)
0.6
dB
Return Loss
Crosstalk
RLOS
VCT1
VCT2
f = 100MHz
Any switch to any
switch; RS = RL =
50Ω, unbalanced,
Figure 1
f = 25MHz
f = 100MHz
-23
dB
-50
dB
-26
2 _______________________________________________________________________________________
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