ADM223AR AD [Analog Devices], ADM223AR Datasheet - Page 8

• Manufacturer Part Number: ADM223AR
• Description: +5 V Powered CMOS RS-232 Drivers/Receivers
• Manufacturer: AD [Analog Devices]

ADM223/ADM230L–ADM241L
Figure 17. ADM238L DIP/SOIC Pin Configuration
Figure 19. ADM239L DIP/SOIC Pin Configuration
R2
R4
R1
R5
T2
T1
R1
R2
T1
R1
GND
R1
GND
R5
R4
OUT
OUT
OUT
OUT
OUT
V
C1+
C1–
V
OUT
OUT
C+
C–
V–
CC
V+
CC
V+
IN
IN
IN
IN
IN
IN
11
12
11
12
10
10
2
3
5
2
3
5
1
4
6
7
8
9
1
4
6
7
8
9
NC = NO CONNECT
(Not to Scale)
(Not to Scale)
ADM238L
ADM239L
TOP VIEW
TOP VIEW
24
23
22
21
20
19
18
17
16
15
14
13
24
23
22
21
20
19
18
17
16
15
14
13
T4
R4
T2
R3
R3
T4
T3
T2
R4
V–
C2–
C2+
T1
R2
R2
T2
R3
R3
T3
NC
EN
T3
T3
T1
IN
IN
IN
IN
IN
IN
IN
OUT
IN
OUT
IN
OUT
OUT
OUT
OUT
OUT
OUT
IN
OUT
–8–
TTL/CMOS
TTL/CMOS
TTL/CMOS
TTL/CMOS
OUTPUTS
OUTPUTS
INPUTS
INPUTS
**INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT
Figure 18. ADM238L Typical Operating Circuit
Figure 20. ADM239L Typical Operating Circuit
*
INTERNAL 400k PULL-UP RESISTOR ON EACH TTL/CMOS INPUT
**INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT
*
*
*
INTERNAL 400k PULL-UP RESISTOR ON EACH TTL/CMOS INPUT
6.3V
R1
R2
R3
R4
1µF
16V
R1
R2
R3
R4
R5
1µF
1µF
16V
T1
T2
T3
T4
T1
T2
T3
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
EN
IN
IN
IN
IN
IN
IN
IN
13
14
19
17
12
18
22
10
21
4
22
10
14
16
17
11
5
6
24
23
6
7
1
C2+
C2–
C1+
C1–
C1+
C1–
GND
8
+10V TO –10V
GND
+5V TO +10V
+12V TO –12V
INVERTER
VOLTAGE
DOUBLER
3
VOLTAGE
INVERTER
VOLTAGE
T1
T2
T3
T4
T1
T2
T3
ADM238L
R1
R4
R2
R3
ADM239L
R1
R3
R2
R4
R5
V
V–
V
V+
CC
V+
V–
CC
15
23
16
20
11
24
9
2
1
7
3
+5V INPUT
15
12
19
13
21
18
+5V INPUT
20
4
5
8
2
9
1µF
16V
T1
T2
T3
T4
R1
R2
R3
R4
1µF
6.3V
1µF
16V
T1
T2
T3
R1
R2
R3
R4
R5
NC
OUT
OUT
OUT
OUT
+7.5V TO +13.2V
INPUT
IN
IN
IN
IN
OUT
OUT
OUT
IN
IN
IN
IN
IN
1µF
RS-232
INPUTS
RS-232
OUTPUTS
RS-232
OUTPUTS
RS-232
INPUTS
1µF
REV. 0
**
**