參數(shù)資料
型號(hào)： SP488
英文描述： Quad RS-485/RS-422 Line Receivers
中文描述： 四RS-485/RS-422收發(fā)線接收器
文件頁數(shù)： 2/6頁
文件大?。?/td> 81K
代理商： SP488
SP488/489
Quad RS-485/RS-422 Line Receivers
2
Copyright 2000 Sipex Corporation
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of the device
at these or any other above those indicated in the operation
sections of the specifications below is not implied. Exposure to
absolute maximum rating conditions for extended periods of time
may affect reliability.
V
............................................................................................ +7V
Input Voltages
Logic ............................................................. –0.5V to (V
+0.5V)
Receiver ...............................................................................
±
14V
Receiver Output Voltage ................................. –0.5V to (V
CC
+0.5V)
Input Currents
Logic ..................................................................................
±
25mA
Storage Temperature ............................................–65
°
C to +150
°
C
Power Dissipation
Plastic DIP ........................................................................ 375mW
(derate 7mW/
°
C above +70
°
C)
Small Outline .................................................................... 375mW
(derate 7mW/
°
C above +70
°
C)
Lead Temperature (soldering, 10 sec) ...................................300
°
C
SPECIFICATIONS
V
CC
= 5V
±
5%; typicals at 25
°
C; T
MIN
≤
T
A
≤
T
MAX
unless otherwise noted.
PARAMETER
DC CHARACTERISTICS
Digital Inputs
Voltage
V
IL
V
Input Current
MIN.
TYP.
MAX.
UNIT
CONDITIONS
EN, EN, EN
1
/EN
2
, EN
3
/EN
4
0.8
Volts
Volts
μ
A
2.0
±
2
0V
≤
V
IN
≤
V
CC
RECEIVER INPUTS
Input Resistance
Differential Input Threshold
Input Current (A, B)
12
–0.2
kOhm
Volts
–7V
≤
V
CM
≤
12V
–7V
≤
V
≤
12V
V
CC
= 0V or 5.25V; I
IN2
V
IN
= +12V
V
IN
= –7V
+0.2
+1.0
–0.8
mA
mA
Maximum Data Rate
RECEIVER OUTPUTS
Output Voltage
V
OH
V
High Impedance Output Current
POWER REQUIREMENTS
Supply Voltage
Supply Current
ENVIRONMENTAL AND MECHANICAL
Operating Temperature
–C
–E
Storage Temperature
Package
–_S
–_T
10
Mbps
3.5
V
V
I
O
= –4mA; V
ID
= +0.2V
I
O
= +4mA; V
= –0.2V
V
CC
= maximum; 0.4V
≤
V
O
≤
2.4V
0.4
±
1
μ
A
4.75
5.00
1
5.25
5
Volts
mA
No load
0
+70
+85
+150
°
C
°
C
°
C
–40
–65
16–pin Plastic DIP
16–pin SOIC
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