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ADM223 数据表(PDF) 8 Page - Analog Devices

部件名 ADM223
功能描述  5 V Powered CMOS RS-232 Drivers/Receivers
PDF  16 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADM223 数据表(HTML) 8 Page - Analog Devices

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ADM223/ADM230L–ADM241L
–8–
REV. B
ADM238L
T1IN
T1
T1OUT
T2IN
T2
T2OUT
TTL/CMOS
INPUTS*
RS-232
OUTPUTS
T3
T4
T3IN
T4IN
R1OUT
R1
R1IN
R2OUT
R2
R2IN
TTL/CMOS
OUTPUTS
RS-232
INPUTS**
R3IN
R4IN
R3OUT
R4OUT
T3OUT
T4OUT
* INTERNAL 400k
PULL-UP RESISTOR ON EACH TTL/CMOS INPUT.
** INTERNAL 5k
PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
GND
R3
R4
1 F
6.3V
1 F
16V
C1+
C1–
C2–
C2+
V–
1 F
16V
+10V TO –10V
VOLTAGE
INVERTER
1 F
6.3V
1 F
6.3V
5V INPUT
V+
VCC
+5V TO +10V
VOLTAGE
DOUBLER
Figure 18. ADM238L Typical Operating Circuit
ADM239L
T1IN
T1
T1OUT
T2IN
T2
T2OUT
TTL/CMOS
INPUTS*
RS-232
OUTPUTS
T3
T3IN
R1OUT
R1IN
R2OUT
R2IN
TTL/CMOS
OUTPUTS
RS-232
INPUTS**
R3IN
R4IN
R5IN
R3OUT
R4OUT
R5OUT
T3OUT
EN
NC
* INTERNAL 400k
PULL-UP RESISTOR ON EACH TTL/CMOS INPUT.
** INTERNAL 5k
PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
GND
1 F
16V
C1+
C1–
V–
1 F
16V
+12V TO –12V
VOLTAGE
INVERTER
1 F
5V INPUT
V+
VCC
7.5V TO 13.2V
INPUT
R1
R2
R3
R4
R5
Figure 20. ADM239L Typical Operating Circuit
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)
ADM238L
T1IN
R1IN
T1OUT
R2OUT
T2OUT
VCC
GND
R4IN
R2IN
R3IN
R3OUT
R1OUT
R4OUT
T2IN
T3IN
T3OUT
V+
V–
C1+
C1–
C2+
C2–
T4IN
T4OUT
Figure 17. ADM238L 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)
ADM239L
R4IN
R5IN
R1IN
R4OUT
R1OUT
VCC
GND
T3IN
T2IN
R2OUT
R5OUT
R3OUT
R3IN
T1OUT
T1IN
V+
NC
C+
C–
T3OUT
R2IN
T2OUT
V–
EN
Figure 19. ADM239L DIP/SOIC Pin Configuration
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