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LTC1484 查看數據表（PDF） - Linear Technology

零件编号
产品描述 (功能)
生产厂家
LTC1484
Low Power RS485 Transceiver with Receiver Fail-Safe
Linear
Linear Technology 
LTC1484 Datasheet PDF : 16 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
LTC1484
TYPICAL PERFOR A CE CHARACTERISTICS
Driver Differential Output Voltage
vs Temperature
3.0
RL = 44Ω
2.5
2.0
VCC = 5.25V VCC = 5V
1.5
VCC = 4.75V
1.0
VCC = 4.5V
0.5
∆VOD, VCC = 4.5V TO 5.25V
0
–0.5
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1484 G22
Driver Common Mode Output
Voltage vs Temperature
3.0
RL = 44Ω
2.5
VCC = 5.25V
2.0
VCC = 5V
VCC = 4.75V
1.5
VCC = 4.5V
1.0
0.5
∆VOC, VCC = 4.5V TO 5.25V
0
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1484 G25
Driver Differential Output Voltage
vs Temperature
3.5
SEE FIGURE 2
3.0
2.5
VCM = –7V
VOD3
DI HIGH
2.0 VCC = 5.25V VCC = 5V
1.5
VCC = 4.75V
1.0
VCC = 4.5V
0.5
∆VOD3 FOR VCC = 4.5V TO 5.25V
0
–0.5
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1484 G28
Driver Differential Output Voltage
vs Temperature
3.0
RL = 54Ω
2.5
2.0 VCC = 5.25V VCC = 5V
1.5
VCC = 4.75V
VCC = 4.5V
1.0
0.5
∆VOD, VCC = 4.5V TO 5.25V
0
–0.5
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1484 G23
Driver Common Mode Output
Voltage vs Temperature
3.0
RL = 54Ω
2.5
VCC = 5.25V
2.0
VCC = 5V
VCC = 4.75V
1.5
VCC = 4.5V
1.0
0.5
∆VOC, VCC = 4.5V TO 5.25V
0
–55 –35 –15 5 25 45 65 85
TEMPERATURE (°C)
105 125
1484 G26
Driver Differential Output Voltage
vs Temperature
3.0
2.5
2.0 VCC = 5.25V VCC = 5V
1.5 VCM = 12V
1.0
VOD3
DI HIGH
VCC = 4.75V
VCC = 4.5V
SEE FIGURE 2
0.5
∆VOD3 FOR VCC = 4.5V TO 5.25V
0
–0.5
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1484 G29
Driver Differential Output Voltage
vs Temperature
3.5
RL = 100Ω
3.0
2.5 VCC = 5.25V VCC = 5V
2.0
VCC = 4.75V
1.5
VCC = 4.5V
1.0
0.5
∆VOD, VCC = 4.5V TO 5.25V
0
–0.5
–55 –35 –15 5 25 45 65 85 105 125
TEMPERATURE (°C)
1484 G24
Driver Common Mode Output
Voltage vs Temperature
3.0
RL = 100Ω
2.5
2.0
VCC = 5.25V
VCC = 5V
VCC = 4.75V
1.5
VCC = 4.5V
1.0
0.5
∆VOC, VCC = 4.5V TO 5.25V
0
–55 –35 –15 5 25 45 65 85
TEMPERATURE (°C)
105 125
1484 G27
Driver Differential Output Voltage
vs Output Current
5.0
4.5
VCC = 5V
TA = 25°C
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 10 20 30 40 50 60 70 80 90 100
OUTPUT CURRENT (mA)
1484 G30
7

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