參數(shù)資料
型號(hào): LTC1482C
廠商: Linear Technology Corporation
英文描述: Low Power RS485 Transceiver with Carrier Detect and Receiver Fail-Safe
中文描述: 低功耗485收發(fā)器載波檢測(cè)器和接收器失效保護(hù)
文件頁(yè)數(shù): 5/16頁(yè)
文件大小: 262K
代理商: LTC1482C
5
LTC1482
TYPICAL PERFOR AU
Receiver Input Offset Voltage vs
Temperature
Receiver Hysteresis vs
Temperature
Receiver Input Threshold Voltage
vs Supply Voltage
Carrier Detect Output Voltage vs
Receiver Input Voltage
Carrier Detect Threshold Voltage
(Output High) vs Temperature
Carrier Detect Threshold Voltage
(Output Low) vs Temperature
Receiver Output High Voltage vs
Temperature
Carrier Detect Output High
Voltage vs Output Current
Receiver and Carrier Detect
Output Low Voltage vs Output
Current
TEMPERATURE (
°
C)
–55 –35 –15
5
25
45
65
85 105 125
R
1482 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
H
1482 G05
100
90
80
70
60
50
40
30
20
10
0
V
CC
= 5V
V
CM
= –7V TO 12V
SUPPLY VOLTAGE (V)
4.5
4.75
5
5.25
5.5
R
1482 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
THRO(HIGH)
V
THRO(LOW)
RECEIVER INPUT VOLTAGE (V)
–0.25
–0.15
–0.05
0.05
0.15
0.25
C
1482 G07
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
P
V
T
N
V
T
N
T
P
T
TEMPERATURE (
°
C)
C
1482 G08
0.25
0.20
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
–0.25
V
CC
= 5V
POSITIVE
V
THCD(HIGH)
NEGATIVE
V
THCD(HIGH)
–55 –35 –15
5
25
45
65
85 105 125
V
CM
= 12V
V
CM
= –7V
V
CM
= 0V
V
CM
= 12V
V
CM
= –7V
V
CM
= 0V
TEMPERATURE (
°
C)
C
1482 G09
0.25
0.20
0.15
0.10
0.05
0
–0.05
–0.10
–0.15
–0.20
–0.25
V
CC
= 5V
POSITIVE
V
THCD(LOW)
NEGATIVE
V
THCD(LOW)
–55 –35 –15
5
25
45
65
85 105 125
V
CM
= 12V
V
CM
= –7V
V
CM
= 12V
V
CM
= –7V
V
CM
= 0V
V
CM
= 0V
TEMPERATURE (
°
C)
–55 –35 –15
5
25
45
65
85 105 125
R
1482 G10
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
OUTPUT CURRENT (
μ
A)
–35
–30
–25
–20
–15
–10
–5
0
C
1482 G11
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
T
A
= 25
°
C
OUTPUT LOW VOLTAGE (V)
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
O
1482 G12
40
35
30
25
20
15
10
5
0
T
A
= 25
°
C
V
CC
= 4.75
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PDF描述
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LTC1482 Low Power RS485 Transceiver with Carrier Detect and Receiver Fail-Safe(低功耗RS485收發(fā)器(帶載流子檢測(cè)和失效保險(xiǎn)))
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