參數(shù)資料
型號(hào): ADM242*
廠商: Analog Devices, Inc.
英文描述: High Speed. +5 V. 0.1 uF CMOS RS-232 Drivers/Receivers
中文描述: 高速。 5五0.1超濾的CMOS的RS - 232驅(qū)動(dòng)器/接收
文件頁數(shù): 3/9頁
文件大?。?/td> 332K
ADM222/ADM232A/ADM242
REV. 0
–3–
ABSOLUTE MAXIMUM RATINGS
*
(
T
A
= +25C unless otherwise noted)
V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6 V
V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . .(V
– 0.3 V) to +13 V
V– . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to –13 V
Input Voltages
T
IN
. . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to (V
+ 0.3 V)
R
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
30 V
Output Voltages
T
OUT
. . . . . . . . . . . . . . . . . . . . (V+, +0.3 V) to (V–, –0.3 V)
R
. . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to (V
CC
+ 0.3 V)
Short Circuit Duration
T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
Power Dissipation N-16 . . . . . . . . . . . . . . . . . . . . . . . 400 mW
(Derate 7.5 mW/
°
C above +70
°
C)
θ
, Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 80
°
C/W
Power Dissipation R-16N . . . . . . . . . . . . . . . . . . . . . 400 mW
(Derate 7 mW/
°
C above +70
°
C)
θ
JA
, Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 80
°
C/W
Power Dissipation R-16W . . . . . . . . . . . . . . . . . . . . . 400 mW
(Derate 7 mW/
°
C above +70
°
C)
θ
, Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 80
°
C/W
Power Dissipation N-18 . . . . . . . . . . . . . . . . . . . . . . . 400 mW
(Derate 7 mW/
°
C above +70
°
C)
θ
, Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 80
°
C/W
Power Dissipation R-18W . . . . . . . . . . . . . . . . . . . . . 400 mW
(Derate 7 mW/
°
C above +70
°
C)
θ
, Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 80
°
C/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . . . –40
°
C to +85
°
C
Storage Temperature Range . . . . . . . . . . . . –65
°
C to +150
°
C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . +300
°
C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . +215
°
C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . +220
°
C
*This is a stress rating only and functional operation of the device at these or any
other conditions above those indicated in the operation sections of this specifica-
tion is not implied. Exposure to absolute maximum rating conditions for extended
periods of time may affect reliability.
Test Circuits
Figure 1. Transmitter Propagation Delay Timing
V–
V+
0V
V
OUT
t
PHLT
t
PLHT
+3V
V
IN
Figure 3. Receiver Propagation Delay Timing
Figure 4. Receiver Disable Timing
Figure 2. Receiver Enable Timing
t
DR
V
OH
–0.5V
RECEIVER
OUTPUT
EN
INPUT
V
OL
+ 0.5V
V
OH
V
OL
0V
3V
+0.8V
+3V
t
ER
+3.5V
RECEIVER
OUTPUT
EN
INPUT
0V
GND
V
CC
50%
V
IN
V
OUT
t
PLHR
t
PHLR
+3V
0V
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