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参数资料
| 型号： | ADM208E |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | RS-232 Line Drivers/Receivers(15kV ESD保护,RS-232线驱动器/接收器) |
| 中文描述： | RS - 232线驱动器/接收器（15kV的ESD保护和RS - 232线驱动器/接收器） |
| 文件页数： | 6/16页 |
| 文件大小： | 225K |
| 代理商： | ADM208E |
ADM206E/ADM207E/ADM208E/ADM211E/ADM213E
REV. B
–6–
14
13
12
11
10
9
8
1
2
3
4
7
6
5
17
16
15
20
19
18
28
27
26
25
24
23
22
21
(TOP VIEW
ADM213E
T3
OUT
R3
OUT
R3
IN
T4
OUT
T1
OUT
T2
OUT
R2
IN
R2
OUT
R4
OUT
*
R4
IN
*
T2
IN
T1
IN
R1
OUT
R1
IN
GND
R5
OUT
*
T3
IN
T4
IN
V
CC
C1+
V+
C1–
R5
IN
*
V–
C2+
C2–
EN
*
ACTIVE IN SHUTDOWN
SHDN
Figure 9. ADM213E Pin Configuration
PIN FUNCTION DESCRIPTIONS
Mnemonic
Function
Power Supply Input: +5 V
±
10%.
Internally Generated Positive Supply (+9 V nominal).
Internally Generated Negative Supply (–9 V nominal).
Ground Pin. Must Be Connected to 0 V.
External Capacitor 1 is connected between these pins. 0.1
μ
F capacitor is recommended but larger capacitors up
to 47
μ
F may be used.
External Capacitor 2 is connected between these pins. 0.1
μ
F capacitor is recommended but larger capacitors up
to 47
μ
F may be used.
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 signal 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 input.
Receiver Outputs. These are CMOS output logic levels.
Receiver Enable (Active High on ADM213E, Active Low on ADM211E); This input is used to enable/disable the
receiver outputs. With
EN
= Low ADM211E (EN = High ADM213E), the receiver outputs are enabled. With
EN
= High (EN = Low ADM213E), the receiver outputs are placed in a high impedance state.
Shutdown Control (Active Low on ADM213E, Active High on ADM211E); Refer to Table II. In shutdown the
charge pump is disabled, the transmitter outputs are turned off and all receiver outputs (ADM211E), receivers R1,
R2, R3 (ADM213E) are placed in a high impedance state. Receivers R4 and R5 on the ADM213E continue to
operate normally during shutdown. Power consumption in shutdown for all parts reduces to 5
μ
W.
V
CC
V+
V–
GND
C1+, C1–
C2+, C2–
T
IN
T
OUT
R
IN
R
OUT
EN/
EN
SHDN
/SHDN
TTL/CMOS
INPUTS
*
TTL/CMOS
OUTPUTS
R5
OUT
***
T1
IN
ADM213E
SHDN
RS-232
OUTPUTS
T1
OUT
GND
T2
IN
T3
IN
T4
IN
T2
OUT
T3
OUT
T4
OUT
RS-232
INPUTS
**
R1
IN
R2
IN
R3
IN
R1
OUT
R2
OUT
R3
OUT
*INTERNAL 400k
V
PULL-UP RESISTOR ON EACH CMOS INPUT
**INTERNAL 5k
V
PULL-DOWN RESISTOR ON EACH RS-232 INPUT
***ACTIVE IN SHUTDOWN
EN
+5V TO +10V
VOLTAGE
DOUBLER
+10V TO –10V
VOLTAGE
INVERTER
14
12
11
0.1
m
F
6.3V
+5V INPUT
V
CC
V+
V–
C1+
C1–
C2+
C2–
0.1
F
16V
0.1
F
16V
0.1
m
F
16V
13
0.1
m
F
10
15
17
3
1
2
28
T3
T4
T2
T1
21
6
7
20
25
27
9
4
R1
R2
R3
5
8
16
R4
IN
***
R5
IN
***
R4
OUT
***
18
23
R4
R5
19
26
24
22
Figure 10. ADM213E Typical Operating Circuit
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相关代理商/技术参数 |
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|---|---|
| ADM208EAN | 功能描述:IC TXRX RS-232 5V 0.1UF 24DIP 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:27 系列:- 类型:收发器 驱动器/接收器数:3/3 规程:RS232，RS485 电源电压:4.75 V ~ 5.25 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC 包装:管件 |
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| ADM208EANZ1 | 制造商:AD 制造商全称:Analog Devices 功能描述:EMI/EMC-Compliant, ?±15 kV ESDProtected, RS-232 Line Drivers/Receivers |
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| ADM208EAR-REEL | 功能描述:IC TXRX RS-232 5V 0.1UF 24SOIC 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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