MAX14770E(2010) Просмотр технического описания (PDF) - Maxim Integrated
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MAX14770E Datasheet PDF : 16 Pages
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High-ESD Profibus RS-485 Transceiver
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +5V Q10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V, TA = +25NC.) (Note 2)
PARAMETER
LOGIC INPUTS
Driver Input High
Voltage
Driver Input Low
Voltage
Driver Input
Hysteresis
Driver Input Current
SYMBOL
VIH
VIL
VHYS
IIN
RDE
Input Impedance in
Hot Swap
RRE
RECEIVER
Input Current (A, B)
IA, IB
Differential Input
Capacitance
Receiver Differential
Threshold Voltage
Receiver Input
Hysteresis
LOGIC OUTPUT
CAB
VTH
DVTH
Output High Voltage
VOH
Output Low Voltage
Three-State Receiver
Output Current
VOL
IOZR
Receiver Input
Resistance
RIN
Receiver Output
Short-Circuit Current
IOSR
PROTECTION SPECIFICATIONS
Thermal-Shutdown
Threshold
VTS
Thermal-Shutdown
Hysteresis
VTSH
ESD Protection, A
and B Pins
ESD Protection, All
Other Pins
CONDITIONS
DE, DI, RE
DE, DI, RE
DE, DI, RE
DE, DI, RE
Figure 11 until the first low-to-high transition of DE
occurs
Figure 11 until the first high-to-low transition of RE
occurs
DE = GND, VCC = VGND or
+5.5V
VIN = 12V
VIN = -7V
Between A and B, DE = RE = GND at 6MHz
-7V P VCM P 12V
VCM = 0V
IOUT = -1mA, VA - VB = VTH
IOUT = 1mA, VA - VB = -VTH
0V P VOUT P VCC
-7V P VCM P 12V
0V P VRO P VCC
HBM
IEC 61000-4-2 Air-Gap Discharge to GND
IEC 61000-4-2 Contact Discharge to GND
HBM
MIN TYP MAX UNITS
2.0
V
0.8
V
50
mV
-1
+1
FA
1
5.6
10
kW
-200
+250
FA
8
pF
-200 -125 -50
mV
15
mV
VCC -
1.5
-1
48
-110
V
0.4
V
+1
FA
kI
+110 mA
+160
NC
15
NC
±35
±20
kV
±10
±2
kV
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