LT1785 Ver la hoja de datos (PDF) - Linear Technology
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LT1785 Datasheet PDF : 16 Pages
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LT1785/LT1785A/
LT1791/LT1791A
TYPICAL PERFORMANCE CHARACTERISTICS
Driver Differential Output Voltage
vs Load Resistance
4
TA = 25°C
3
2
1
0
10
100
1k
LOAD RESISTANCE (Ω)
178591 G01
Driver Differential Output Voltage
vs Temperature
3.0
2.5
2.0
1.5
1.0
0.5
R = 27Ω
0
–40 –20
0 20 40 60
TEMPERATURE (°C)
80 100
178591 G02
Receiver Propagation Delay
vs Temperature
1000
800
tPHL
600
400
tPLH
200
0
–40 –20
0 20 40 60
TEMPERATURE (°C)
80 100
178591 G03
Driver Propagation Delay
vs Temperature
1000
900
800
LH
700
600
HL
500
400
300
200
100
0
–40 –20
0 20 40 60
TEMPERATURE (°C)
80 100
178591 G04
LT1791 Driver Output Leakage
DE = 0V
LT1791 Receiver Input Current
vs VIN
1mA/DIV
200μA/DIV
–60V
VIN
60V
–60V
178591 G05
VIN
60V
178591 G06
LT1785 Input Characteristics Pins
A or B; DE = RE = 0V
1mA/DIV
–60V
VA, VB
60V
178591 G07
Supply Current vs Temperature
7
6 DRIVER AND
RECEIVER ON
5
RECEIVER ONLY
4
3
2
1
STANDBY
0
–40 –20 0 20 40 60
TEMPERATURE (°C)
80 100
178591 G08
Receiver Propagation Delay
vs Differential Input Voltage
700
600
HL VCM = –7V
500
HL VCM = 12V
400
300
LH VCM = 12V
200
LH VCM = –7V
100
0
0
1
2
3
4
5
VIN DIFFERENTIAL (V)
178591 G09
178591fb
6
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