LTC4313-2_15 datasheet(4/20 Pages) LINER

Part #	LTC4313-2

Description	2-Wire Bus Buffers with High Noise Margin

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LTC4313-1/LTC4313-2/

LTC4313-3

4

4313123f

Typical perForMance characTerisTics

Buffer DC IOL vs Temperature

tF (70% to 30%)

vs Bus Capacitance

tPDHL (50% to 50%)

vs Bus Capacitance

LTC4313-1 IRTA vs Temperature

LTC4313-1 Bus Rise Time

(40% to 70%) vs CBUS

ICC Enabled Current

vs Supply Voltage

ICC Disabled Current

vs Supply Voltage

TA = 25°C, VCC = 3.3V unless otherwise noted.

VCC (V)

2

9.0

8.0

7.0

8.5

7.5

6.5

6.0

4

3

5

4313213 G01

6

3.5

2.5

4.5

5.5

VSDAIN,SCLIN = 0V

VENABLE = 5.5V

VCC (V)

2

4.0

3.0

3.5

2.5

2.0

4

3

5

2.5

4.5

3.5

5.5

4313213 G02

6

VSDAIN,SCLIN = 0V

VENABLE = 0V

TEMPERATURE (°C)

–50

12

5

6

11

10

4

8

9

7

0

50

4313213 G03

100

–25

25

75

VSDA,SCL = 0.6V

VSDA,SCL = 0.4V

VOS vs IBUS for Different Driven

Voltage Levels

IBUS (mA)

0

250

200

150

0

50

100

1

3

4313213 G04

5

2

4

≥200mV

100mV

DRIVEN VSDA,SCL = 50mV

TEMPERATURE (°C)

–50

16

8

10

6

14

12

0

50

4313213 G05

100

–25

25

75

VCC = VDD,BUS

VSDA,SCL = 0.6 • VDD,BUS

CBUS = 400pF, RBUS = 10k

5V

3.3V

CBUS (pF)

0

100

75

50

0

25

600

800

4313213 G06

1000

200

400

3.3V

5V

VCC = VDD,BUS

RBUS = 10k

CBUS (pF)

0

200

175

150

100

125

600

800

4313213 G07

1000

200

400

3.3V

5V

VCC = VDD,BUS

RBUS = 10k

CBUS (pF)

0

75

5V

3.3V

100

600

4313123 G08

50

25

200

400

800

VCC = VDD,BUS

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