Datasheet

MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
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ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10%; C1 = 0.047µF and C2, C3, C4 = 0.33µF when tested at +5V±10%;
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= +3.3V and T
A
= +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
RS-232 RECEIVER INPUTS (R1IN, R2IN)
Input Voltage Range -25
+25
V
Logic-Input Low 0.8
V
CC
= +3.3V 2.0
Logic-input High
V
CC
= +5V 2.4
V
Input Hysteresis 0.5 V
V
CC
= +3.0V to 5.5V 3 5 7
Input Resistance
V
CC
= 0 6 11 16
kΩ
RS-485/RS-422 RECEIVER INPUTS (Note 3)
MAX3160E 48
Input Resistance R
IN
-7V < V
CM
< +12V
MAX3161E/
MAX3162E
96
kΩ
V
CM
= +12V 0.25
MAX3160E
V
CM
= -7V
-0.15
V
CM
= +12V 0.125
Input Current I
IN
MAX3161E/MAX3162E
V
CM
= -7V
-0.075
mA
Input Differential Threshold V
TH
-7V ≤ V
CM
≤ +12V
-200
-50 mV
Input Hysteresis ∆V
TH
30 mV
RS-232 TRANSMITTER OUTPUTS (T1OUT, T2OUT)
Output Voltage Swing
Both transmitter outputs loaded with 3kΩ
to GND
±5
±5.4
V
Output Resistance V
CC
= V+ = V- = 0, T_OUT = ±2V
300 10M
Ω
Output Short-Circuit Current I
SC
T_OUT = GND
±30
±60 mA
MAX3160E
±125
MAX3161E ±25
Output Leakage Current I
O
V
OUT
= ±9V
TE232 = GND or SHDN =
GND
MAX3162E ±25
µA
RS-485/RS-422 TRANSMITTER OUTPUTS (Y, Z)
R = 27Ω
(RS-485)
1.5
Differential Output Voltage V
OD
Figure 1
R = 50Ω
(RS-422)
2
V
Change in Magnitude of
Differential Output Voltage for
Complementary Output States
|∆V
OD
|
R = 27Ω or 50Ω, Figure 1 0.2 V
Common-Mode Output Voltage
V
OC
R = 27Ω or 50Ω, Figure 1 3 V
Change in Magnitude of
Common-Mode Output Voltage
for Complementary Output
States
|∆V
OC
|
R = 27Ω or 50Ω, Figure 1 0.2 V