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參數(shù)資料
| 型號(hào)： | ADM222 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | RS-232 |
| 英文描述： | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
| 中文描述： | 5V的高速RS - 232收發(fā)器與0.1uF電容 |
| 文件頁(yè)數(shù)： | 4/9頁(yè) |
| 文件大小： | 332K |
| 代理商： | ADM222 |
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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| ADM222AN | 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADM222_01 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High-Speed, 5 V, 0.1 F CMOS RS-232 Drivers/Receivers |
| ADM222A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:01 mF +5 V Powered CMOS RS-232 Drivers/Receivers(328.66 k) |
| ADM222AN | 功能描述:IC TX/RX RS-232 5V W/SD 18DIP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:27 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):3/3 規(guī)程:RS232，RS485 電源電壓:4.75 V ~ 5.25 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:管件 |
| ADM222ANZ | 功能描述:IC TX/RX RS-232 5V W/SD 18DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:線路收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):5/3 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC 包裝:Digi-Reel® 產(chǎn)品目錄頁(yè)面:918 (CN2011-ZH PDF) 其它名稱:296-25096-6 |
| ADM222ANZ | 制造商:Analog Devices 功能描述:IC TRANSCEIVER |
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