參數(shù)資料
型號(hào)： ADM242
廠商： Analog Devices, Inc.
英文描述： CONNECTORS
中文描述： 高速，5伏，0.1超濾的CMOS的RS - 232驅(qū)動(dòng)器/接收
文件頁數(shù)： 2/9頁
文件大?。?/td> 332K
代理商： ADM242
REV. 0
–2–
Parameter
Min
Typ
Max
Units
Test Conditions/Comments
RS-232 TRANSMITTERS
Output Voltage Swing
±
5
±
9
V
All Transmitter Outputs Loaded with
3 k
to Ground
T
IN
T
IN
T
IN
= 0 V
Input Logic Threshold Low, V
INL
Input Logic Threshold High, V
INH
Logic Pullup Current
Data Rate
Output Resistance
Output Short Circuit Current (Instantaneous)
1.4
1.4
5
0.8
V
V
μ
A
kB/s
mA
2.0
40
200
300
±
7
V
CC
= V+ = V– = 0 V, V
OUT
=
±
2 V
±
22
RS-232 RECEIVERS
RS-232 Input Voltage Range
RS-232 Input Threshold Low
RS-232 Input Threshold High
RS-232 Input Hysteresis
RS-232 Input Resistance
TTL/CMOS Output Voltage Low, V
OL
TTL/CMOS Output Voltage High, V
TTL/CMOS Output Short-Circuit Current
TTL/CMOS Output Short-Circuit Current
TTL/CMOS Output Leakage Current
–30
0.8
+30
V
V
V
V
k
V
V
mA
mA
μ
A
1.3
1.8
0.5
5
0.2
2.4
1.0
7
0.4
0.2
3
V
CC
= 5 V
I
OUT
= 3.2 mA
I
= –1.0 mA
Source Current (V
OUT
= GND)
Sink Current (V
OUT
CC
)
SHDN
= GND/
= V
CC
0 V
≤
V
OUT
≤
V
CC
3.5
–2
10
–10
30
±
0.05
±
10
EN
Input Threshold Low, V
INL
EN
Input Threshold High, V
INH
1.4
1.4
0.8
V
V
2.0
POWER SUPPLY
Power Supply Current
4
15
0.1
8
mA
mA
μ
A
μ
A
V
V
No Load
3 k
Load on Both Outputs
Shutdown Power Supply Current
SHDN
Input Leakage Current
SHDN
Input Threshold Low, V
INL
SHDN
Input Threshold High, V
INH
10
±
1
0.8
1.4
1.4
2.0
AC CHARACTERISTICS
Transition Region Slew Rate
6
12
30
V/
μ
s
C
= 50 pF to 2500 pF, R
= 3 k
to 7 k
Measured from +3 V to –3 V or –3 V to +3 V
t
PHLT
t
PLHT
t
PHLR
t
PLHR
t
ER
t
SHDN
Goes high
SHDN
Goes low
Transmitter Propagation Delay TTL to RS-232
0.7
0.7
0.2
0.3
125
160
250
3.5
300
100
3.5
3.5
0.5
0.5
500
500
μ
s
μ
s
μ
s
μ
s
ns
ns
μ
s
μ
s
ns
ns
Receiver Propagation Delay RS-232 to TTL
Receiver Output Enable Time
Receiver Output Disable Time
Transmitter Output Enable Time
Transmitter Output Disable Time
Transmitter + to – Propagation Delay Difference
Receiver + to – Propagation Delay Difference
Specifications subject to change without notice.
ADM222/ADM232A/ADM242–SPECIFICATIONS
(V
CC
= +5 V
±
10%, C1–C4 = 0.1
μ
F; all spec-
ifications T
MIN
to T
MAX
unless otherwise noted.)
相關(guān)PDF資料
PDF描述
ADM242AN 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
ADM242AR 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
ADM242* High Speed. +5 V. 0.1 uF CMOS RS-232 Drivers/Receivers
ADM222 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
ADM222AN 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADM242AN 功能描述:IC TX/RX RS-232 W/EN/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
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ADM242AR 功能描述:IC TX/RX RS-232 W/EN/SD 18SOIC 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
ADM242AR-REEL 功能描述:IC TX/RX RS-232 W/EN/SD 18SOIC 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:121 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):1/1 規(guī)程:RS422，RS485 電源電壓:3 V ~ 3.6 V 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-DFN（3x3） 包裝:管件
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