LTM2883 Просмотр технического описания (PDF) - Linear Technology

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производитель

LTM2883

SPI/Digital or I2C µModule Isolator with Adjustable ±12.5V and 5V Regulated Power

Linear Technology 

LTM2883

Typical Performance Characteristics TA = 25°C, LTM2883-3 VCC = 3.3V,

LTM2883-5 VCC = 5V, VL = 3.3V, GND = GND2 = 0V, ON = VL unless otherwise noted.

VCC2 Ripple

V+ Ripple

V– Ripple

2mV/DIV

I+ = 1mA

5mV/DIV

I+ = 20mA

I– = 1mA

5mV/DIV

I– = 20mA

500ns/DIV

2883 G25

500ns/DIV

2883 G26

500ns/DIV

2883 G27

VCC2 Noise

V+ Noise

V– Noise

2mV/DIV

2mV/DIV

2mV/DIV

1ms/DIV

2883 G28

1ms/DIV

2883 G29

1ms/DIV

2883 G30

VCC Supply Current

vs Single Channel Data Rate

70

CL = 1nF

CL = 330pF

VCC

ICC2

=

=

5V

I+ =

I–

=

0

60

CL = 100pF

CL = 20pF

50

40

30

20

10

1k

10k 100k 1M 10M 100M

DATA RATE (Hz)

2883 G31

Logic Input Threshold

vs VL Supply Voltage

3.5

3.0

2.5

INPUT RISING

2.0

INPUT FALLING

1.5

1.0

0.5

0

1

2

3

4

5

6

VL SUPPLY VOLTAGE (V)

2883 G32

10

Logic Output Voltage

vs Load Current

6.0

5.0

VL = 5.5V

VL = 3.3V

4.0

VL = 1.62V

3.0

2.0

1.0

0

0 1 2 3 4 5 6 7 8 9 10

LOAD CURRENT (mA)

2883 G33

2883f

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