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ADM223 数据表(PDF) 9 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) 9 Page - Analog Devices

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ADM223/ADM230L–ADM241L
–9–
REV. B
ADM241L
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
R5IN
R3OUT
R4OUT
R5OUT
T3OUT
T4OUT
EN
SD
* INTERNAL 400k
PULL-UP RESISTOR ON EACH TTL/CMOS INPUT.
** INTERNAL 5k
PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
GND
R3
R4
R5
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
1 F
16V
Figure 22. ADM241L Typical Operating Circuit
* INTERNAL 400k
PULL-UP RESISTOR ON EACH TTL/CMOS INPUT.
** INTERNAL 5k
PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
NOTE: RECEIVERS R4 AND R5 REMAIN ACTIVE IN SHUTDOWN.
ADM223
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
R5IN
R3OUT
R4OUT
R5OUT
T3OUT
T4OUT
EN
SD
GND
R3
R4
R5
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
1 F
16V
Figure 24. ADM223 Typical Operating Circuit
1
2
3
7
28
27
26
22
8
9
10
21
20
19
11
12
18
17
4
5
25
24
6
23
TOP VIEW
(Not to Scale)
13
14
16
15
ADM241L
R2OUT
R2IN
R5IN
T4IN
R3IN
T1OUT
T2OUT
T3OUT
T4OUT
R5OUT
V+
V–
VCC
C1+
C1–
C2+
C2–
GND
SD
R3OUT
EN
T3IN
R4IN
R4OUT
R1IN
R1OUT
T1IN
T2IN
Figure 21. ADM241L SOIC/SSOP Pin Configuration
1
2
3
7
28
27
26
22
8
9
10
21
20
19
11
12
18
17
4
5
25
24
6
23
TOP VIEW
(Not to Scale)
13
14
16
15
ADM223
R2OUT
R2IN
R5IN
T4IN
R3IN
T1OUT
T2OUT
T3OUT
T4OUT
R5OUT
V+
V–
VCC
C1+
C1–
C2+
C2–
GND
R3OUT
EN
SD
T3IN
R4IN
R4OUT
R1IN
R1OUT
T1IN
T2IN
Figure 23. ADM223 SOIC/SSOP Pin Configuration
OBSOLETE



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