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MAX3221 View Datasheet(PDF) - Maxim Integrated

Part Name
Description
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MAX3221 Datasheet PDF : 16 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
1µA Supply-Current, True +3V to +5.5V
RS-232 Transceivers with AutoShutdown
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +5.5V, C1–C4 = 0.1µF (Note 2), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
RECEIVER INPUTS
Input Voltage Range
Input Threshold Low
Input Threshold High
Input Hysteresis
Input Resistance
TRANSMITTER OUTPUTS
Output Voltage Swing
Output Resistance
Output Short-Circuit Current
CONDITIONS
MIN
TA = +25°C
TA = +25°C
-25
VCC = 3.3V 0.6
VCC = 5.0V 0.8
VCC = 3.3V
VCC = 5.0V
TA = +25°C
3
All transmitter outputs loaded with 3kto ground
VCC = V+ = V- = 0V, transmitter output = ±2V
±5.0
300
TYP
1.2
1.5
1.5
1.8
0.3
5
±5.4
10M
±35
MAX UNITS
25
V
V
2.4
V
2.4
V
7
k
V
±60
mA
Output Leakage Current
VOUT = ±12V, VCC = 0V or 3.0V to 5.5V,
transmitters disabled
±25
µA
MOUSE DRIVEABILITY (MAX3243)
T1IN = T2IN = GND, T3IN = VCC,
Transmitter Output Voltage
T3OUT loaded with 3kto GND, T1OUT and
±5
V
T2OUT loaded with 2.5mA each
TIMING CHARACTERISTICS
Maximum Data Rate
RL = 3k, CL = 1000pF, one transmitter switching 120
235
kbps
Receiver Propagation Delay
Receiver input to receiver output,
tPHL
CL = 150pF
tPLH
0.3
µs
0.3
Receiver Output Enable Time
Normal operation
200
ns
Receiver Output Disable Time Normal operation
200
ns
Transmitter Skew
Receiver Skew
tPHL - tPLH
tPHL - tPLH
MAX3221/MAX3223
MAX3243
MAX3221/MAX3223
MAX3243
200
ns
200
1000
100
ns
100
500
VCC = 3.3V,
RL = 3kto 7k,
CL = 200pF to 2500pF
4
8.0
30
Transition-Region Slew Rate
TA = +25°C,
V/µs
measured from +3V to
-3V or -3V to +3V
CL = 200pF to 1000pF
6
30
Note 2: C1–C4 = 0.1µF, tested at 3.3V ±10%. C1 = 0.047µF, C2–C4 = 0.33µF, tested at 5.0V ±10%.
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