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ADM223 Datasheet(PDF) 6 Page - Analog Devices

Part No. ADM223
Description  5 V Powered CMOS RS-232 Drivers/Receivers
Download  16 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADM223 Datasheet(HTML) 6 Page - Analog Devices

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ADM223/ADM230L–ADM241L
–6–
REV. 0
T1IN
ADM235L
SD
RS-232
OUTPUTS
TTL/CMOS
INPUTS
*
T1OUT
GND
11
T2IN
T3IN
T4IN
T5IN
T2OUT
T3OUT
T4OUT
T5OUT
T3
22
16
7
8
15
21
19
4
2
3
1
T4
T2
T1
T5
RS-232
INPUTS
**
TTL/CMOS
OUTPUTS
R1OUT
R1IN
R2IN
R3IN
R4IN
R5IN
R2OUT
R3OUT
R4OUT
R5OUT
R1
R5
R4
R3
R2
20
*INTERNAL 400k
Ω PULL-UP RESISTOR ON EACH TTL/CMOS INPUT
**INTERNAL 5k
Ω PULL-DOWN RESISTOR ON EACH RS-232 INPUT
EN
13
5
24
10
18
14
17
6
9
23
12
+5V INPUT
VCC
1µF
Figure 12. ADM235L Typical Operating Circuit
+5V TO +10V
VOLTAGE
DOUBLER
+10V TO –10V
VOLTAGE
INVERTER
11
10
9
7
12
8
1µF
6.3V
+5V INPUT
VCC
V+
V–
C1+
C1–
C2+
C2–
T1IN
ADM234L
RS-232
OUTPUTS
TTL/CMOS
INPUTS
*
1µF
6.3V
1µF
16V
T1OUT
GND
5
*INTERNAL 400k
Ω PULL-UP RESISTOR ON EACH TTL/CMOS INPUT
T2IN
T3IN
T4IN
T2OUT
T3OUT
T4OUT
1µF
16V
T3
14
3
4
13
2
16
1
15
T4
T2
T1
6
1µF
Figure 10. ADM234L Typical Operating Circuit
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
TOP VIEW
(Not to Scale)
ADM234L
T1IN
T3IN
T3OUT
V+
VCC
GND
T2IN
T4IN
T1OUT
T4OUT
V–
C1+
C1–
C2–
C2+
T2OUT
Figure 9. ADM234L DIP/SOIC Pin Configuration
1
2
3
7
24
23
22
18
8
9
10
17
16
15
11
12
14
13
4
5
21
20
6
19
TOP VIEW
(Not to Scale)
ADM235L
T1IN
T2IN
T3IN
T4IN
T5IN
T1OUT
T2OUT
T3OUT
T4OUT
T5OUT
VCC
GND
SD
EN
R3IN
R4IN
R5IN
R1IN
R2IN
R2OUT
R1OUT
R3OUT
R4OUT
R5OUT
Figure 11. ADM235L DIP Pin Configuration


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