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MAX3160 Datasheet(Hoja de datos) 3 Page - Maxim Integrated Products

No. de Pieza. MAX3160
Descripción  3.0V to 5.5V, 1uA, RS-232/RS-485/422 Multiprotocol Transceivers
Descarga  23 Pages
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Fabricante  MAXIM [Maxim Integrated Products]
Página de inicio  http://www.maxim-ic.com
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 3 page
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+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +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%; TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RS-232 RECEIVER INPUTS (R1IN, R2IN)
Input Voltage Range
-25
25
V
VCC = +3.3V
0.6
Input Threshold Low
VCC = +5V
0.8
V
VCC = +3.3V
2.0
Input Threshold High
VCC = +5V
2.4
V
Input Hysteresis
0.5
V
Input Resistance
357
k
RS-485/422 RECEIVER INPUTS (Note 2)
MAX3160
48
Input Resistance
RIN
-7V < VCM < +12V
MAX3161/
MAX3162
96
k
VCM = +12V
0.25
MAX3160
VCM = -7V
-0.15
VCM = +12V
0.125
Input Current
IIN
MAX3161/MAX3162
VCM = -7V
-0.075
mA
Input Differential Threshold
VTH
-200
-50
mV
Input Hysteresis
∆VTH
30
mV
RS-232 TRANSMITTER OUTPUTS (T1OUT, T2OUT)
Output Voltage Swing
Both transmitter outputs loaded with 3k
to GND
±5
±5.4
V
Output Resistance
VCC = V+ = V- = 0, T_OUT = +2V
300
10M
Output Short-Circuit Current
T_OUT = GND
±30
±60
mA
MAX3160/
MAX3161
±125
Output Leakage Current
VOUT =
±9V
TE232 = GND or
SHDN =
GND
MAX3162
±25
µA
RS-485/422 TRANSMITTER OUTPUTS (Y, Z)
R = 27
(RS-485)
1.5
Differential Output Voltage
VOD
Figure 1
R = 50
(RS-422)
2
V
Change in Magnitude of
Differential Output Voltage for
Complementary Output States
∆VOD
R = 27
Ω or 50Ω, Figure 1
-0.2
0.2
V
Common-Mode Output Voltage
VOC
R = 27
Ω or 50Ω, Figure 1
3
V
Change in Magnitude of
Common-Mode Output Voltage
for Complementary Output
States
∆VOC
R = 27
Ω or 50Ω, Figure 1
0.2
V




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