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参数资料
| 型号： | ADM231L |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | High Speed, CMOS RS-233 Drivers/Receivers(CMOS RS-232驱动器/接收器) |
| 中文描述： | 高速，的CMOS的RS - 233驱动器/接收（的CMOS的RS - 232驱动器/接收器） |
| 文件页数： | 8/16页 |
| 文件大小： | 274K |
| 代理商： | ADM231L |
ADM223/ADM230L–ADM241L
–8–
REV. 0
T1
IN
ADM238L
RS-232
OUTPUTS
TTL/CMOS
INPUTS
*
T1
OUT
GND
8
T2
IN
T3
IN
T4
IN
T2
OUT
T3
OUT
T4
OUT
T3
19
5
18
1
2
24
T4
T2
T1
RS-232
INPUTS
**
TTL/CMOS
OUTPUTS
R1
IN
R2
IN
R3
IN
R1
OUT
R2
OUT
R3
OUT
R3
R2
R1
*
INTERNAL 400k
PULL-UP RESISTOR ON EACH TTL/CMOS INPUT
**INTERNAL 5k
PULL-DOWN RESISTOR ON EACH RS-232 INPUT
3
7
23
4
22
6
+5V TO +10V
VOLTAGE
DOUBLER
+10V TO –10V
VOLTAGE
INVERTER
14
13
12
10
15
1μF
16V
11
1μF
6.3V
+5V INPUT
V
CC
V+
V–
C1+
C1–
C2+
C2–
1μF
6.3V
1μF
16V
21
20
9
R4
IN
R4
OUT
R4
16
17
1μF
Figure 18. ADM238L Typical Operating Circuit
T1
IN
ADM239L
NC
RS-232
OUTPUTS
TTL/CMOS
INPUTS
*
T1
OUT
GND
3
T2
IN
T3
IN
T2
OUT
T3
OUT
T3
23
24
16
15
20
13
19
T2
T1
RS-232
INPUTS
**
TTL/CMOS
OUTPUTS
R3
IN
R4
IN
R5
IN
R3
OUT
R4
OUT
R5
OUT
R5
R4
R3
14
*
INTERNAL 400k
PULL-UP RESISTOR ON EACH TTL/CMOS INPUT
**INTERNAL 5k
PULL-DOWN RESISTOR ON EACH RS-232 INPUT
EN
9
18
12
10
11
17
+12V TO –12V
VOLTAGE
INVERTER
7
6
8
1μF
16V
5
+5V INPUT
V
CC
V+
V–
C1+
C1–
1μF
16V
4
+7.5V TO +13.2V
INPUT
R1
IN
R2
IN
R1
OUT
R2
OUT
R2
R1
2
21
22
1
1μF
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
T1
IN
R1
IN
T1
OUT
R2
OUT
T2
OUT
V
CC
GND
R4
IN
R2
IN
R3
IN
R3
OUT
R1
OUT
R4
OUT
T2
IN
T3
IN
T3
OUT
V+
V–
C1+
C1–
C2+
C2–
T4
IN
T4
OUT
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
R4
IN
R5
IN
R1
IN
R4
OUT
R1
OUT
V
CC
GND
T3
IN
T2
IN
R2
OUT
R5
OUT
R3
OUT
R3
IN
T1
OUT
T1
IN
V+
NC
C+
C–
T3
OUT
R2
IN
T2
OUT
V–
EN
NC = NO CONNECT
Figure 19. ADM239L DIP/SOIC Pin Configuration
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PDF描述 |
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| ADM2483 | Half-Duplex iCoupler-R Isolated RS-485 Transceiver |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADM231LAN | 制造商:Analog Devices 功能描述:Dual Transmitter/Receiver RS-232 14-Pin PDIP N 制造商:Rochester Electronics LLC 功能描述:RS-232 CIRCUIT - Bulk |
| ADM231LANZ | 制造商:Analog Devices 功能描述:Dual Transmitter/Receiver RS-232 14-Pin PDIP N |
| ADM231LAQ | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ADM231LAR | 制造商:Analog Devices 功能描述:Dual Transmitter/Receiver RS-232 16-Pin SOIC W 制造商:Rochester Electronics LLC 功能描述:RS-232 CIRCUIT - Bulk |
| ADM231LAR-REEL | 制造商:Analog Devices 功能描述:Dual Transmitter/Receiver RS-232 16-Pin SOIC W T/R |
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