參數(shù)資料
型號: LTC1484
廠商: Linear Technology Corporation
英文描述: Low Power RS485 Transceiver with Receiver Fail-Safe(低功耗RS485收發(fā)器(帶失效保險(xiǎn)))
中文描述: 485低功耗收發(fā)器與接收器故障保險(xiǎn)(低功耗485收發(fā)器(帶失效保險(xiǎn)))
文件頁數(shù): 5/16頁
文件大?。?/td> 224K
代理商: LTC1484
5
LTC1484
TYPICAL PERFOR AU
TEMPERATURE (
°
C)
–55 –35 –15
5
25
45
65
85 105 125
R
1484 G04
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
–200
V
CC
= 5V
V
CM
= –7V
V
CM
= 12V
V
CM
= 0V
TEMPERATURE (
°
C)
–55 –35 –15
5
25
45
65
85 105 125
R
1484 G05
100
90
80
70
60
50
40
30
20
10
0
V
CC
= 5V
V
TH(HIGH)
– V
TH(LOW)
V
CM
SUPPLY VOLTAGE (V)
4.5
4.75
5
5.25
R
1484 G06
0
–0.02
–0.04
–0.06
–0.08
–0.10
–0.12
–0.14
–0.16
–0.18
–0.20
T
A
= 25
°
C
V
CM
= 0V
V
TH(HIGH)
V
TH(LOW)
Receiver Input Offset Voltage vs
Temperature
Receiver Hysteresis vs
Temperature
Receiver Input Threshold Voltage
vs Supply Voltage
Receiver Output High Voltage vs
Output Current
Receiver Output Low Voltage vs
Output Current
Receiver Output High Voltage vs
Temperature
OUTPUT CURRENT (mA)
–25
–20
–15
–10
–5
0
R
1484 G07
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
V
CC
= 4.75V
OUTPUT CURRENT (mA)
0
5
10
15
20
25
R
1484 G08
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
V
CC
= 4.75V
TEMPERATURE (
°
C)
–55 –35 –15
5
25
45
65
85 105 125
R
1484 G09
4.5
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
3.5
V
CC
= 4.75V
I
OUT
= –8mA
Receiver Output Low Voltage vs
Temperature
Input Current (A, B) vs
Temperature
Receiver Input Resistance vs
Temperature
TEMPERATURE (
°
C)
–55 –35 –15
5
25
45
65
85 105 125
R
1484 G10
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
V
CC
= 4.75V
I
OUT
= 8mA
TEMPERATURE (
°
C)
–55 –35 –15
5
25
45
65
85 105 125
I
μ
A
1484 G11
600
500
400
300
200
100
0
–100
–200
–300
–400
V
CC
= 0V OR 5V
V
CM
= 12V
V
CM
= –7V
TEMPERATURE (
°
C)
–55 –35 –15
5
25
45
65
85 105 125
R
)
1484 G12
26.0
25.5
25.0
24.5
24.0
23.5
23.0
22.5
22.0
V
CC
= 0V OR 5V
V
CM
= 12V
V
CM
= –7V
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