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參數(shù)資料
| 型號： | HWD491 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | RS-485 |
| 英文描述： | Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers |
| 中文描述： | 低功耗，限擺率限制RS-485/RS-422收發(fā)器 |
| 文件頁數(shù)： | 2/20頁 |
| 文件大?。?/td> | 502K |
| 代理商： | HWD491 |
Low-Power, S lew-Rate-Limited
RS -485/RS -422 Transc eivers
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
CC
).............................................................12V
Control Input Voltage (
RE
, DE)...................-0.5V to (V
CC
+ 0.5V)
Driver Input Voltage (DI).............................-0.5V to (V
CC
+ 0.5V)
Driver Output Voltage (A, B)...................................-8V to +12.5V
Receiver Input Voltage (A, B).................................-8V to +12.5V
Receiver Output Voltage (RO).....................-0.5V to (V
CC
+0.5V)
Continuous Power Dissipation (T
A
= +70°C)
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ....727mW
14-Pin Plastic DIP (derate 10.00mW/°C above +70°C) ..800mW
8-Pin SO (derate 5.88mW/°C above +70°C).................471mW
14-Pin SO (derate 8.33mW/°C above +70°C)...............667mW
8-Pin μMAX (derate 4.1mW/°C above +70°C)..............830mW
8-Pin CERDIP (derate 8.00mW/°C above +70°C).........640mW
14-Pin CERDIP (derate 9.09mW/°C above +70°C).......727mW
Operating Temperature Ranges
HWD4_ _C_ _/HWD1487C_ A ...............................0°C to +70°C
HWD4_ _E_ _/HWD1487E_ A.............................-40°C to +85°C
HWD4_ _MJ _/HWD1487MJ A ...........................-55°C to +125°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
DC ELECTRICAL CHARACTERISTICS
(V
CC
= 5V ±5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Notes 1, 2)
V
V
IN
= -7V
V
IN
= 12V
V
IN
= -7V
V
IN
= 12V
Input Current
(A, B)
I
IN2
V
TH
k
48
-7V
≤
V
CM
≤
12V, HWD487/HWD1487
R
IN
Receiver Input Resistance
-7V
≤
V
CM
≤
12V, all devices except
HWD487/HWD1487
R = 27
(RS-485), Figure 4
0.4V
≤
V
O
≤
2.4V
R = 50
(RS-422)
I
O
= 4mA, V
ID
= -200mV
I
O
= -4mA, V
ID
= 200mV
V
CM
= 0V
-7V
≤
V
CM
≤
12V
DE, DI,
RE
DE = 0V;
V
CC
= 0V or 5.25V,
all devices except
HWD487/HWD1487
DE, DI,
RE
HWD487/HWD1487,
DE = 0V, V
CC
= 0V or 5.25V
DE, DI,
RE
R = 27
or 50
, Figure 4
R = 27
or 50
, Figure 4
R = 27
or 50
, Figure 4
CONDITIONS
k
12
μA
±1
I
OZR
Three-State (high impedance)
Output Current at Receiver
V
0.4
V
OL
Receiver Output Low Voltage
3.5
V
OH
Receiver Output High Voltage
mV
70
V
TH
Receiver Input Hysteresis
V
-0.2
0.2
Receiver Differential Threshold
Voltage
-0.2
mA
0.25
mA
-0.8
1.0
1.5
5
V
OD2
Differential Driver Output
(with load)
V
2
V
5
V
OD1
Differential Driver Output (no load)
μA
±2
I
IN1
Input Current
V
0.8
V
IL
Input Low Voltage
V
2.0
V
IH
Input High Voltage
V
0.2
V
OD
Change in Magnitude of Driver
Common-Mode Output Voltage
for Complementary Output States
V
0.2
V
OD
Change in Magnitude of Driver
Differential Output Voltage for
Complementary Output States
Driver Common-Mode Output
Voltage
V
3
V
OC
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
2
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| HWD491C/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers |
| HWD491CPD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers |
| HWD491CSD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers |
| HWD491EPD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers |
| HWD491ESD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers |
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