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參數(shù)資料
| 型號： | ISO485P |
| 英文描述： | Isolated RS-485 DIFFERENTIAL BUS TRANSCEIVER |
| 中文描述： | 隔離型RS - 485差分總線收發(fā)器 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 177K |
| 代理商： | ISO485P |
2
ISO485
SPECIFICATIONS
At T
A
= +25
°
C, V
S
= 5V, unless otherwise specified.
PARAMETER
CONDITION
MIN
TYP
MAX
UNITS
DRIVER DC CHARACTERISTICS
Input Voltage
High MIN
Low MAX
Input Current
High-Level
Low-Level
Output Voltage
2
V
V
0.8
V
IN
= 2.4V
V
IN
= 0.4V
I
OUT
= 0
±
1
±
1
5
μ
A
μ
A
V
0
Differential Output Voltage
I
OA
– I
OB
= 0
R
LOAD
= 100
R
LOAD
= 54
1.5
5
V
2
2.5
2.5
5
5
V
V
1.5
Change In Magnitude of Differential
Output Voltage
R
LOAD
= 54
or 100
R
LOAD
= 54
or 100
±
0.5
V
Common-Mode Output Voltage
Change in Magnitude of Common-Mode
Output Voltage
3
V
R
LOAD
= 54
or 100
±
0.2
V
Output Current
V
OUT
= 7V, output disabled
V
OUT
= –7V, output disabled
1
mA
mA
–0.8
Short-Circuit Output Current (1 sec max)
V
OUT
= –7V
V
OUT
= 0V
V
OUT
= V
S
V
OUT
= 12V
–250
–150
250
250
mA
mA
mA
mA
DRIVER SWITCHING CHARACTERISTICS
Propagation Delay Time,
Low-to-High Level Output
Propagation Delay Time,
High-to-Low Level Output
Input to Output Propagation Delay Skew
Output Rise Time
Output Fall Time
R
LOAD
= 54
60
ns
R
LOAD
= 54
R
LOAD
= 54
R
LOAD
= 54
R
LOAD
= 54
60
ns
ns
ns
ns
10
10
10
RECEIVER DC CHARACTERISTICS
Differential-Input-Threshold Voltage
High
Low
Hysteresis
High-Level Output Voltage
Low-Level Output Voltage
High-Impedance-State Output Current
Line Input Current
V
OUT
= 2.7V, I
OUT
= –0.4mA
V
OUT
= 0.5V, I
OUT
= 8mA
0.2
V
V
–0.2
70
mV
V
V
μ
A
mA
mA
V
ID
= 200mV, I
OH
= 400
μ
A
V
ID
= 200mV, I
OL
= 8mA
V
= 1.4V
V
IN
= 12V, other output = 0V
V
IN
= –7V, other output = 0V
2.4
0.4
±
1
0.7
–0.6
Enable-Input Current
High
Low
Input Resistance
Short-Circuit Output Current
V
IH
= 2.7V
V
IL
= 0.4V
1
1
μ
A
μ
A
k
mA
12
1 sec max
40
RECEIVER SWITCHING CHARACTERISTICS
Propagation Delay Time,
Low-to-High Level Output
High-to-Low Level Output
Input to Output Propagation Delay Skew
Output Rise Time
Output Fall Time
V
ID
= –1.5V to 1.5V, C
L
= 15pF
V
ID
= –1.5V to 1.5V, C
L
= 15pF
35
30
10
8
8
60
60
ns
ns
ns
ns
ns
R
L
= 54
R
L
= 54
TRANSCEIVER SPECIFICATIONS
Maximum Data Rate
Propagation Delay Driver to Receiver
Driver Output Enable Time
Driver Output Disable Time
Propagation Delay Receiver to Driver
Receiver Output Enable Time
Receiver Output Disable Time
20
35
75
155
185
13
110
120
Mbits/s
ns
ns
ns
ns
ns
ns
R
L
= 110
R
L
= 110
200
280
C
L
= 15pF
C
L
= 15pF
180
185
ISO485P
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