Rainbow-electronics MAX14770E Manual do Utilizador descarregar pdf (Página 9)

High-ESD Profibus RS-485 Transceiver

MAX14770E

_______________________________________________________________________________________ 9

Typical Operating Characteristics

= +5V, T

= +25NC, unless otherwise noted.)

DIFFERENTIAL OUTPUT VOLTAGE V

vs. TEMPERATURE

MAX14770E toc09

TEMPERATURE (°C)

DRIVER DIFFERENTIAL OUTPUT VOLTAGE (V)

11095-25 -10 5 35 50 6520 80

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.0

-40 125

= 54Ω

DIFFERENTIAL OUTPUT VOLTAGE V

vs. OUTPUT CURRENT

MAX14770E toc08

OUTPUT CURRENT (mA)

DIFFERENTIAL OUTPUT VOLTAGE (V)

604020

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

0 80

DRIVER PROPAGATION DELAY

vs. TEMPERATURE

MAX14770E toc07

TEMPERATURE (°C)

DRIVER PROPAGATION DELAY (ns)

1109580655035205-10-25

-40 125

= 54Ω, C

= 50pF

RECEIVER PROPAGATION DELAY

vs. TEMPERATURE

MAX14770E toc06

TEMPERATURE (°C)

RECEIVER PROPAGATION DELAY (ns)

1109580655035205-10-25

-40 125

RECEIVER OUTPUT RO CURRENT

vs. OUTPUT HIGH VOLTAGE

MAX14770E toc05

OUTPUT HIGH VOLTAGE (V)

OUTPUT CURRENT (mA)

4.54.03.53.02.52.01.5

1.0 5.0

RECEIVER OUTPUT RO CURRENT

vs. OUTPUT LOW VOLTAGE

MAX14770E toc04

OUTPUT LOW VOLTAGE (V)

OUTPUT CURRENT (mA)

3.53.02.52.01.51.00.5

0 4.0

SHUTDOWN SUPPLY CURRENT

vs. TEMPERATURE

MAX14770E toc03

TEMPERATURE (°C)

SHUTDOWN SUPPLY CURRENT (µA)

1109580655035205-10-25

0.5

1.0

1.5

2.0

2.5

3.0

-40 125

SUPPLY CURRENT

vs. DATA RATE

MAX14770E toc02

DATA RATE (kbps)

SUPPLY CURRENT (mA)

15,00010,0005,000

0 20,000

PROFIBUS EQUIVALENT LOAD

NO LOAD

NO-LOAD DC SUPPLY CURRENT

vs. TEMPERATURE

MAX14770E toc01

TEMPERATURE (°C)

NO-LOAD SUPPLY CURRENT (mA)

1109580655035205-10-25

0.5

1.0

1.5

2.0

2.5

-40 125

DE = V

DE = GND

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

MAX14770E 1

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