LTC2858I(RevB) View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC2858I
(Rev.:RevB)

20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers

Linear Technology 

LTC2856-1/LTC2856-2

LTC2857-1/LTC2857-2

LTC2858-1/LTC2858-2

APPLICATIONS INFORMATION

Time-Based Traces

Frequency Spectrum

Y, Z

1V/DIV

Y-Z

2V/DIV

Y-Z

10dB/DIV

2µs/DIV

285678 F10a

1.25MHz/DIV

Figure 10. LTC2858-1 Driver Output at 100kHz Into 100Ω Resistor

285678 F10b

Time-Based Traces

Frequency Spectrum

Y, Z

1V/DIV

Y-Z

2V/DIV

Y-Z

10dB/DIV

2µs/DIV

285678 F11a

1.2MHz/DIV

Figure 11. LTC2858-2 Driver Output at 100kHz Into 100Ω Resistor

TYPICAL APPLICATIONS

Failsafe “0” Application (Idle State = Logic “0”)

VCC

100k

RO

I1

R

B

“A”

DI I2

A “B”

D

LTC2856-1

285678 TA02

12

285678 F11b

285678fb

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