MAX1480A Просмотр технического описания (PDF) - Maxim Integrated

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MAX1480A

Complete, Isolated RS-485/RS-422 Data Interface

Maxim Integrated 

Complete, Isolated RS-485/RS-422

Data Interface

_____________________________Typical Operating Characteristics (continued)

(VCC_ = 5V, FS = VCC_, DE´ = VCC_, VDI´ = 0V to 5V at 1.25MHz, TA = +25°C, unless otherwise noted.)

MAX1480A/MAX1490A

RECEIVER tPHL

MAX1480/90-21

MAX1480A/MAX1490A

RECEIVER tPLH

MAX1480/90-22

RECEIVER

INPUT A

1V/div

RECEIVER

INPUT B

1V/div

RECEIVER

INPUT B

1V/div

RO/RO

2V/div

RECEIVER

INPUT A

1V/div

RO/RO

2V/div

20ns/div

VCC_ = 5.0V, DE´= VCC_

DI´ = 0V TO 5V AT 1.25MHz

MAX1480B/MAX1480C/MAX1490B

RECEIVER tPHL

MAX1480/90-23

RECEIVER

INPUT A

1V/div

RECEIVER

INPUT B

1V/div

20ns/div

VCC_ = 5.0V, DE´= VCC_

DI´ = 0V TO 5V AT 1.25MHz

MAX1480B/MAX1480C/MAX1490B

RECEIVER tPLH

MAX1480/90-24

RECEIVER

INPUT A

1V/div

RECEIVER

INPUT B

1V/div

RO/RO

2V/div

RO/RO

2V/div

200ns/div

VCC_ = 5.0V, DE´= VCC_

DI´= 0V TO 5V AT 125kHz

500ns/div

VCC_ = 5.0V, DE´= VCC_

DI´= 0V TO 5V AT 125kHz

POWER-UP DELAY TO DRIVER OUTPUTS VALID

DRIVER

OUTPUT B

(Z FOR MAX1490)

2V/div

SD

2V/div

VDI´ = 0V

VSD = 5V TO 0V AT 1kHz

1μs/div

_______________________________________________________________________________________ 9

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