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ICL232 Datasheet(PDF) 3 Page - Harris Corporation

Part No. ICL232
Description  5V Powered, Dual RS-232 Transmitter/Receiver
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Maker  HARRIS [Harris Corporation]
Homepage  http://www.harris.com
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ICL232 Datasheet(HTML) 3 Page - Harris Corporation

   
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8-51
Test Circuits
FIGURE 1. GENERAL TEST CIRCUIT
FIGURE 2. POWER-OFF SOURCE RESISTANCE
CONFIGURATION
Typical Performance Curves
FIGURE 3. V+, V- OUTPUT IMPEDANCES vs VCC
FIGURE 4. V+, V- OUTPUT VOLTAGES vs LOAD CURRENT
Pin Descriptions
PDIP, CERDIP
SOIC
PIN NAME
DESCRIPTION
1
1
C1+
External capacitor “+” for internal voltage doubler.
2
2
V+
Internally generated +10V (typical) supply.
3
3
C1-
External capacitor “-” for internal voltage doubler.
4
4
C2+
External capacitor “+” internal voltage inverter.
5
5
C2-
External capacitor “-” internal voltage inverter.
6
6
V-
Internally generated -10V (typical) supply.
77
T2OUT
RS-232 Transmitter 2 output
±10V (typical).
88
R2IN
RS-232 Receiver 2 input, with internal 5K pulldown resistor to GND.
9
9
R2out
Receiver 2 TTL/CMOS output.
10
10
T2IN
Transmitter 2 TTL/CMOS input, with internal 400K pullup resistor to VCC.
11
11
T1IN
Transmitter 1 TTL/CMOS input, with internal 400K pullup resistor to VCC.
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
C1+
V+
C1-
C2+
C2-
V-
R2IN
T2OUT
VCC
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
GND
+4.5V TO
+5.5V INPUT
3k
T1 OUTPUT
RS-232
±30V INPUT
TTL/CMOS
OUTPUT
TTL/CMOS
INPUT
TTL/CMOS
INPUT
TTL/CMOS
OUTPUT
+
-
1
µF
C3
+
-
1
µF
C1
+
-
1
µF
C2
1
µF C4
3k
T2 OUTPUT
RS-232
±30V INPUT
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
C1+
V+
C1-
C2+
C2-
V-
R2IN
T2OUT
VCC
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
GND
T2OUT
T1OUT
VIN = ±2V
A
ROUT = VIN/I
550
500
450
400
350
300
250
200
150
3456
INPUT SUPPLY VOLTAGE VCC (V)
V- SUPPLY
V+ SUPPLY
OPERATING
RANGE
GUARANTEED
TA = 25
oC
EXTERNAL SUPPLY LOAD
1k
Ω BETWEEN V+ + GND
OR V- + GND
TRANSMITTER OUTPUT
OPEN CIRCUIT
10
|ILOAD| (mA)
V+ (VCC = 4.5V)
V+ (VCC = 5V)
V- (VCC = 5V)
V- (VCC = 4.5V)
TA = 25
oC
TRANSMITTER OUTPUTS
OPEN CIRCUIT
9
8
7
6
5
4
3
2
1
0
3
10
9
8
7
6
5
4
ICL232


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