Rainbow-electronics MAX7313 Manual do Utilizador descarregar pdf (Página 5)

MAX7313

16-Port I/O Expander with LED Intensity

Control and Interrupt

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PORT OUTPUT LOW VOLTAGE WITH 50mA

LOAD CURRENT vs. TEMPERATURE

PORT OUTPUT LOW VOLTAGE V

(V)

0.1

0.2

0.3

0.4

0.5

0.6

MAX7313 toc04

TEMPERATURE (°C)

1109565 80-10 5 20 35 50-25-40 125

V+ = 3.6V

V+ = 2.7V

V+ = 2V

PORT OUTPUT LOW VOLTAGE WITH 20mA

LOAD CURRENT vs. TEMPERATURE

MAX7313 toc05

TEMPERATURE (°C)

PORT OUTPUT LOW VOLTAGE V

(V)

1109580655035205-10-25

0.1

0.2

0.3

0.4

0.5

0.6

-40 125

ALL OUTPUTS LOADED

V+ = 3.6V

V+ = 2.7V

V+ = 2V

PWM CLOCK FREQUENCY

vs. TEMPERATURE

MAX7313 toc06

TEMPERATURE (°C)

PWM CLOCK FREQUENCY

1109580655035205-10-25

0.950

1.000

1.050

0.900

0.925

0.975

1.025

-40 125

V+ = 3.6V

V+ = 2V

V+ = 2.7V

NORMALIZED TO V+ = 3.3V, T

= +25°C

SCOPE SHOT OF 2 OUTPUT PORTS

MAX7313 toc07

2ms/div

OUTPUT 1

2V/div

OUTPUT 2

2V/div

MASTER INTENSITY SET TO 1/15

OUTPUT 1 INDIVIDUAL INTENSITY

SET TO 1/16

OUTPUT 2 INDIVIDUAL INTENSITY

SET TO 15/16

SCOPE SHOT OF 2 OUTPUT PORTS

MAX7313 toc08

2ms/div

OUTPUT 1

2V/div

OUTPUT 2

2V/div

OUTPUT 1 INDIVIDUAL INTENSITY

SET TO 1/16

MASTER INTENSITY SET TO 14/15

OUTPUT 2 INDIVIDUAL INTENSITY

SET TO 14/15

MAX7313 toc09

SINK CURRENT vs. V

SINK CURRENT (mA)

(V)

5040302010

0.05

0.10

0.15

0.20

0.25

0.30

0.35

V+ = 2V

V+ = 2.7V

ONLY ONE OUTPUT LOADED

V+ = 3.3V

V+ = 3.6V

Typical Operating Characteristics (continued)

= +25°C, unless otherwise noted.)

1 2 3 4 5 6 7 8 9 10 ... 26 27

Control and Interrupt 1

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