MAX3160(2000) Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX3160
(Rev.:2000)
(Rev.:2000)
Maxim Integrated
MAX3160 Datasheet PDF : 23 Pages
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+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
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
RS-232 RECEIVER INPUTS (R1IN, R2IN)
CONDITIONS
MIN TYP MAX UNITS
Input Voltage Range
-25
25
V
Input Threshold Low
Input Threshold High
Input Hysteresis
VCC = +3.3V
VCC = +5V
VCC = +3.3V
VCC = +5V
0.6
V
0.8
2.0
V
2.4
0.5
V
Input Resistance
3
5
7
kΩ
RS-485/422 RECEIVER INPUTS (Note 2)
MAX3160
48
Input Resistance
RIN
-7V < VCM < +12V
MAX3161/
96
kΩ
MAX3162
Input Current
MAX3160
IIN
MAX3161/MAX3162
Input Differential Threshold
VTH
Input Hysteresis
∆VTH
RS-232 TRANSMITTER OUTPUTS (T1OUT, T2OUT)
VCM = +12V
VCM = -7V
VCM = +12V
VCM = -7V
-200
0.25
-0.15
mA
0.125
-0.075
-50
mV
30
mV
Output Voltage Swing
Both transmitter outputs loaded with 3kΩ
to GND
±5
±5.4
V
Output Resistance
Output Short-Circuit Current
VCC = V+ = V- = 0, T_OUT = +2V
T_OUT = GND
300 10M
Ω
±30
±60
mA
Output Leakage Current
VOUT = ±9V
TE232 = GND or SHDN =
GND
MAX3160/
MAX3161
MAX3162
±125
µA
±25
RS-485/422 TRANSMITTER OUTPUTS (Y, Z)
R = 27Ω
(RS-485)
1.5
Differential Output Voltage
VOD
Figure 1
V
R = 50Ω
(RS-422)
2
Change in Magnitude of
Differential Output Voltage for
Complementary Output States
∆VOD R = 27Ω or 50Ω, Figure 1
-0.2
0.2
V
Common-Mode Output Voltage
Change in Magnitude of
Common-Mode Output Voltage
for Complementary Output
States
VOC R = 27Ω or 50Ω, Figure 1
∆VOC R = 27Ω or 50Ω, Figure 1
3
V
0.2
V
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