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MAX338 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part No. MAX338
Description  ±15kV ESD-Protected, 3.0V to 5.5V, Low-Power, up to 250kbps, True RS-232 Transceiver
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX338 Datasheet(HTML) 4 Page - Maxim Integrated Products

 
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PIN
±15kV ESD-Protected, 3.0V to 5.5V, Low-Power,
up to 250kbps, True RS-232 Transceiver
4
_______________________________________________________________________________________
__________________________________________Typical Operating Characteristics
(VCC = +3.3V, 250kbps data rate, 0.1µF capacitors, all transmitters loaded with 3k
Ω and CL, TA = +25°C, unless otherwise noted.)
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
0
1000
2000
3000
4000
5000
TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)
T1 TRANSMITTING AT 250kbps
T2 TRANSMITTING AT 15.6kbps
VOUT+
VOUT-
0
6
2
4
10
8
14
12
16
0
1000
2000
3000
4000
5000
SLEW RATE vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)
+SLEW
FOR DATA RATES UP TO 250kbps
-SLEW
0
25
20
15
5
10
35
30
40
45
0
2000
1000
3000
4000
5000
OPERATING SUPPLY CURRENT
vs. LOAD CAPACITANCE
LOAD CAPACITANCE (pF)
250kbps
120kbps
20kbps
T1 TRANSMITTING AT 250kbps
T2 TRANSMITTING AT 15.6kbps
1
No Connection. Not internally connected.
N.C.
3
+5.5V generated by the charge pump.
V+
4
Negative terminal of the voltage-doubler charge-pump capacitor.
C1-
5
Positive terminal of inverting charge-pump capacitor.
C2+
6
Negative terminal of inverting charge-pump capacitor.
C2-
7
-5.5V generated by the charge pump.
V-
8, 15
RS-232 Transmitter Outputs
T_OUT
9, 14
RS-232 Receiver Inputs
R_IN
10, 13
TTL/CMOS Receiver Outputs
R_OUT
11, 12
TTL/CMOS Transmitter Inputs
T_IN
16
Ground
GND
17
+3.0V to +5.5V Supply Voltage
VCC
18
Active-Low Shutdown-Control Input. Drive low to shut down transmitters and charge
SHDN
FUNCTION
NAME
______________________________________________________________ Pin Description
2
Positive terminal of the voltage-doubler charge-pump capacitor.
C1+
PIN
2
1, 10, 11
3
4
5
6
7
8, 17
9, 16
12, 15
13, 14
18
19
20
SO
SSOP


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