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参数资料
| 型号： | ADM232 |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | High Speed, +5 V,CMOS RS-232 Drivers/Receivers(CMOS高速RS-232驱动器/接收器) |
| 中文描述： | 高速，5伏，的CMOS的RS - 232驱动器/接收（的CMOS高速的RS - 232驱动器/接收器） |
| 文件页数： | 4/9页 |
| 文件大小： | 276K |
| 代理商： | ADM232 |
ADM222/ADM232A/ADM242
REV. 0
–4–
PIN FUNCTION DESCRIPTION
Mnemonic
Function
V
CC
V+
Power Supply Input
, +
5 V
±
10%.
Internally generated positive supply (+10 V
nominal).
Internally generated negative supply (–10 V
nominal).
Ground Pin. Must be connected to 0 V.
External capacitor 1, (+ terminal) is connected
to this pin.
External capacitor 1, (– terminal) is connected
to this pin.
External capacitor 2, (+ terminal) is connected
to this pin.
External capacitor 2, (– terminal) is connected
to this pin.
Transmitter (Driver) Inputs. These inputs accept
TTL/CMOS levels. An internal 400 k
pull-up
resistor to V
CC
is connected on each input.
Transmitter (Driver) Outputs. These are RS-232
levels (typically
±
9 V).
Receiver Inputs. These inputs accept RS-232
signal levels. An internal 5 k
pull-down
resistor to GND is connected on each of these
inputs.
Receiver Outputs. These are TTL/CMOS levels.
No Connect. No connections are required to this
pin.
(ADM242 Only) Active Low Digital Input. May
be used to enable or disable (three-state) both
receiver outputs.
(ADM222 & ADM242) Active Low Digital
Input. May be used to disable the device so that
the power consumption is minimized. On the
ADM222 all drivers and receivers are disabled.
On the ADM242 the drivers are disabled but the
receivers remain enabled.
V–
GND
C1+
C1–
C2+
C2–
T
IN
T
OUT
R
IN
R
OUT
NC
EN
SHDN
Figure 8. ADM222 DIP & SOIC Pin Configurations
Figure 7. ADM222 Typical Operating Circuit
Figure 5. Shutdown Test Circuit
t
DT
+ 5V
TRANSMITTER
OUTPUT
SHDN
INPUT
– 5V
V+
0V
3V
V–
Figure 6. Transmitter Shutdown Disable Timing
NC = NO CONNECT
NC
C1+
V
CC
C2+
C2–
V–
R1
OUT
T1
IN
V+
C1–
GND
T2
OUT
T2
IN
R2
IN
R2
OUT
R1
IN
T1
OUT
1
2
18
17
5
6
7
14
13
12
3
4
16
15
8
11
9
10
TOP VIEW
(Not to Scale)
ADM222
SHDN
V
IN
V
OUT
50pF
3k
SHDN
*
INTERNAL 400k
PULL-UP RESISTOR
ON EACH TTL/MOS INPUT
**
INTERNAL 5k
PULL-DOWN RESISTOR
ON EACH RS-232 INPUT
V
CC
+5V TO +10V
VOLTAGE DOUBLER
+5V TO –10V
VOLTAGE INVERTER
C1+
C1–
V+
V–
C2+
C2–
T1
ADM222
T2
R1
R2
C1
0.1μF
C2
0.1μF
C3
0.1μF
GND
TTL/CMOS
OUTPUTS
R1
OUT
R2
OUT
T1
OUT
T2
OUT
R1
IN
R2
IN
T1
IN
T2
IN
TTL/CMOS
INPUTS
*
RS-232
OUTPUTS
RS-232
INPUTS
**
2
4
6
5
12
11
13
10
3
7
15
8
14
9
C4
0.1μF
+5V INPUT
C5
0.1μF
6.3V
17
16
18
SHDN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADM232A | 制造商:AD 制造商全称:Analog Devices 功能描述:High Speed, +5 V, 0.1 uF CMOS RS-232 Drivers/Receivers |
| ADM232AAN | 功能描述:IC TX/RX DUAL RS-232 5V 16DIP RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422，RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN（3x3） 包装:管件 |
| ADM232AANZ | 功能描述:IC TX/RX DUAL RS-232 5V 16DIP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:98 系列:* |
| ADM232AANZ | 制造商:Analog Devices 功能描述:IC DRIVER/RECEIVER |
| ADM232AARN | 功能描述:IC TX/RX DUAL RS-232 5V 16SOIC RoHS:否 类别:集成电路 (IC) >> 接口 - 驱动器，接收器，收发器 系列:- 标准包装:121 系列:- 类型:收发器 驱动器/接收器数:1/1 规程:RS422，RS485 电源电压:3 V ~ 3.6 V 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-DFN（3x3） 包装:管件 |
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