MAX3440EASA データシートの表示（PDF） - Maxim Integrated
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MAX3440EASA
Maxim Integrated
MAX3440EASA Datasheet PDF : 19 Pages
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MAX3440E–MAX3444E
±15kV ESD-Protected, ±60V Fault-Protected,
10Mbps, Fail-Safe RS-485/J1708 Transceivers
DC Electrical Characteristics (continued)
(VCC = +4.75V to +5.25V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
RECEIVER LOGIC
Output High Voltage
VOH Figure 2, IOH = -1.6mA
VCC –
0.6
Output Low Voltage
VOL Figure 2, IOL = 1mA
0.4
Three-State Output Current at
Receiver
IOZR 0V ≤ VA, B ≤ VCC
±1
Receiver Input Resistance
Receiver Output Short-Circuit
Current
RIN
IOSR
-7V ≤ VCM ≤ +12V
0V ≤ VRO ≤ VCC
48
±95
CONTROL
Control Input High Voltage
Input Current Latch During First
Rising Edge
VCIH
IIN
DE, DE, RE, DE/RE
DE, DE/RE, RE
2
90
SUPPLY CURRENT
MAX3440E (DE/RE = VCC),
No load,
MAX3442E (DE = VCC,
RE = GND),
30
Normal Operation
IQ
DI = VCC MAX3444E (DE = RE = GND)
or GND MAX3441E (DE/RE = VCC),
MAX3443E (DE = VCC,
10
RE = GND)
DE = GND, RE = VCC (MAX3442E/
MAX3443E)
20
Supply Current in Shutdown Mode
ISHDN
DE = GND, RE = VCC, TA = +25°C
(MAX3442E/MAX3443E)
10
DE = RE = VCC (MAX3444E)
100
DE = RE = VCC, TA = +25°C (MAX3444E)
10
Supply Current with Output Shorted
to ±60V
ISHRT
DE = GND, RE = GND, no load
output in three-state (MAX3443E)
±15
UNITS
V
V
µA
kW
mA
V
µA
mA
µA
mA
Protection Specifications
(VCC = +4.75V to +5.25V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
Overvoltage Protection
ESD Protection
A, B; RSOURCE = 0, RL = 54Ω
A, B
Human Body Model
±60
±15
FAULT DETECTION
Receiver Differential Threshold
Receiver Differential Threshold
Fault-Detection Common-Mode
Input Voltage Positive
FDIPH
FDIPL
VCM = 0V, high limit
VCM = 0V, low limit
270
-450
12
450
-270
UNITS
V
kV
mV
mV
V
Fault-Detection Common-Mode
Input Voltage Negative
-7
V
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