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ICL232 View Datasheet(PDF) - Intersil

Part Name
Description
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ICL232 Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
ICL232
Test Circuits
1µF -
C3 + 1 C1+
1µF +
C1 -
2 V+
3 C1-
1µF +
C2 -
4 C2+
5 C2-
1µF C4
6 V-
3k
T2 OUTPUT
7 T2OUT
RS-232
±30V INPUT
8 R2IN
+4.5V TO
+5.5V INPUT
VCC 16
GND 15
T1OUT 14
R1IN 13
R1OUT 12
T1IN 11
T2IN 10
R2OUT 9
3k
T1 OUTPUT
RS-232
±30V INPUT
TTL/CMOS
OUTPUT
TTL/CMOS
INPUT
TTL/CMOS
INPUT
TTL/CMOS
OUTPUT
FIGURE 1. GENERAL TEST CIRCUIT
1 C1+
2 V+
3 C1-
4 C2+
5 C2-
6 V-
7 T2OUT
8 R2IN
VCC 16
GND 15
T1OUT 14
R1IN 13
R1OUT 12
T1IN 11
T2IN 10
R2OUT 9
ROUT = VIN/I
VIN = ±2V
A
T2OUT
T1OUT
FIGURE 2. POWER-OFF SOURCE RESISTANCE
CONFIGURATION
Typical Performance Curves
550
500
450 TA = 25oC
EXTERNAL SUPPLY LOAD
400 1kBETWEEN V+ + GND
OR V- + GND
350 TRANSMITTER OUTPUT
OPEN CIRCUIT
300
250
V+ SUPPLY
200
V- SUPPLY
GUARANTEED
OPERATING
RANGE
150
3
4
5
6
INPUT SUPPLY VOLTAGE VCC (V)
FIGURE 3. V+, V- OUTPUT IMPEDANCES vs VCC
10
9
V+ (VCC = 5V)
8
V+ (VCC = 4.5V)
7
6
V- (VCC = 4.5V)
V- (VCC = 5V)
5
4 TA = 25oC
TRANSMITTER OUTPUTS
OPEN CIRCUIT
3
0 1 2 3 4 5 6 7 8 9 10
|ILOAD| (mA)
FIGURE 4. V+, V- OUTPUT VOLTAGES vs LOAD CURRENT
Pin Descriptions
PDIP, CERDIP
1
2
3
4
5
6
7
8
SOIC
1
2
3
4
5
6
7
8
PIN NAME
C1+
V+
C1-
C2+
C2-
V-
T2OUT
R2IN
DESCRIPTION
External capacitor “+” for internal voltage doubler.
Internally generated +10V (typical) supply.
External capacitor “-” for internal voltage doubler.
External capacitor “+” internal voltage inverter.
External capacitor “-” internal voltage inverter.
Internally generated -10V (typical) supply.
RS-232 Transmitter 2 output ±10V (typical).
RS-232 Receiver 2 input, with internal 5K pulldown resistor to GND.
4
FN3020.7
July 28, 2005
 

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