参数资料
型号: ADM222ARZ
厂商: Analog Devices Inc
文件页数: 7/11页
文件大小: 0K
描述: IC TX/RX RS-232 5V W/SD 18SOIC
标准包装: 41
类型: 收发器
驱动器/接收器数: 2/2
规程: RS232
电源电压: 4.5 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 18-SOIC(0.295",7.50mm 宽)
供应商设备封装: 18-SOIC
包装: 管件
产品目录页面: 789 (CN2011-ZH PDF)
REV.
ADM222/ADM232A/ADM242
–5–
TOP VIEW
(Not to Scale)
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
C1+
V+
C1–
C2+
C2–
V–
T2OUT
R2IN
VCC
GND
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
ADM232A
Figure 9. ADM232A DIP/SOIC Pin Configuration
1
3
5
4
11
10
12
9
2
6
14
7
13
8
* INTERNAL 400k PULL-UP RESISTOR
ON EACH TTL/CMOS INPUT
** INTERNAL 5k PULL-DOWN RESISTOR
ON EACH RS-232 INPUT
+5V TO +10V
VOLTAGE DOUBLER
+5V TO –10V
VOLTAGE INVERTER
C1+
C1–
V+
V–
C2+
C2–
T1
ADM232A
T2
R1
R2
C1
0.1 F
C2
0.1 F
C3
0.1 F
GND
TTL/CMOS
OUTPUTS
R1OUT
R2OUT
T1OUT
T2OUT
R1IN
R2IN
T1IN
T2IN
TTL/CMOS
INPUTS
*
RS-232
OUTPUTS
RS-232
INPUTS
**
5V INPUT
C5
0.1 F
6.3V
15
C4
0.1 F
VCC
16
Figure 10. ADM232A Typical Operating Circuit
18
17
16
15
14
13
12
11
10
1
2
3
4
5
6
7
8
9
TOP VIEW
(Not to Scale)
ADM242
R2IN
T2OUT
EN
C1+
V+
C1–
V–
C2–
C2+
T2IN
SHDN
VCC
GND
T1OUT
T1IN
R1OUT
R1IN
R2OUT
Figure 11. ADM242 DIP/SOIC Pin Configuration
2
4
6
5
12
11
13
10
3
7
8
14
9
18
* INTERNAL 400k PULL-UP RESISTOR
ON EACH TTL/CMOS INPUT
** INTERNAL 5k PULL-DOWN RESISTOR
ON EACH RS-232 INPUT
+5V TO +10V
VOLTAGE DOUBLER
+5V TO –10V
VOLTAGE INVERTER
C1+
C1–
V+
V–
C2+
C2–
T1
ADM242
T2
R1
R2
C1
0.1 F
C2
0.1 F
C3
0.1 F
GND
TTL/CMOS
OUTPUTS
R1OUT
R2OUT
T1OUT
T2OUT
R1IN
R2IN
T1IN
T2IN
TTL/CMOS
INPUTS
*
RS-232
OUTPUTS
RS-232
INPUTS
**
5V INPUT
C5
0.1 F
6.3V
16
C4
0.1 F
VCC
EN
SHDN
15
17
1
Figure 12. ADM242 Typical Operating Circuit
B
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