MAX3440EEPA(2002) View Datasheet(PDF) - Maxim Integrated
Part Name
Description
MFG CO.
MAX3440EEPA
(Rev.:2002)
(Rev.:2002)
Maxim Integrated
MAX3440EEPA Datasheet PDF : 20 Pages
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±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
Output Low Voltage
VOH
VOL
Figure 2, IOH = -1.6mA
Figure 2, IOL = 1mA
VCC - 0.6
0.4
Three-State Output Current at
Receiver
IOZR 0 ≤ VA, B ≤ VCC
±1
Receiver Input Resistance
RIN -7V ≤ VCM ≤ +12V
48
Receiver Output Short-Circuit
Current
IOSR 0 ≤ VRO ≤ VCC
±95
CONTROL
Control Input High Voltage
VCIH DE, DE, RE, DE/RE
2
Input Current Latch During First
Rising Edge
IIN
DE, DE/RE, RE
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/
20
MAX3443E)
Supply Current in Shutdown Mode
ISHDN DE = GND, RE = VCC, TA = +25°C
10
(MAX3442E/MAX3443E)
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
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
FDIPH
FDIPL
VCM = 0, high limit
VCM = 0, low limit
270
-450
450
-270
Fault-Detection Common-Mode
Input Voltage Positive
12
Fault-Detection Common-Mode
Input Voltage Negative
-7
UNITS
V
V
µA
kΩ
mA
V
µA
mA
µA
mA
UNITS
V
kV
mV
mV
V
V
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