ALD4501SE datasheet(4/4 Pages) ALD

4 / 4 page

ALD4501

Advanced Linear Devices

9-4

TYPICAL PERFORMANCE CHARACTERISTICS

TYPICAL APPLICATIONS

Frequency f = 1.46/ ( RA + 2RB ) C

Duty Cycle DC = RB/ ( RA + 2RB )

Timer 4 oscillates in free running mode

( 50 % Duty Cycle ) and drives the trigger

inputs of timers 1,2,3, each with indepen-

dently set time delays.

Pulse Delay td = 1.1RC

QUAD ASTABLE MODE OPERATION

( FREE RUNNING OSCILLATOR )

QUAD MONOSTABLE MODE OPERATION

( ONE SHOT PULSE )

SYNCHRONIZED TIMING GENERATORS

OUTPUT SINK CURRENT AS A FUNCTION

OF OUTPUT VOLTAGE

OUTPUT VOLTAGE (V)

0.01

0.02

0.05

0.1

1.0

0.5

0.2

100

5.0

2.0

1.0

0.5

0.2

0.1

TA = 25°C

V+ = 2V

V+ = 5V

V+ = 12V

OUTPUT SOURCE CURRENT AS A

FUNCTION OF OUTPUT VOLTAGE

-1.0

-2.0

-5.0

-10

-20

-50

-100

-0.5

-0.2

-0.1

-0.05

-0.02

-0.01

-0.2

-0.1

-1.0

OUTPUT VOLTAGE (V)

(REFERENCED TO V+)

V+ = 2V

V+ = 12V

V+ = 5V

V+

INPUT 1

INPUT 2

INPUT 3

INPUT 4

DELAY 1

DELAY 4

DELAY 3

DELAY 2

V-

OUT1

OUT2

OUT3

OUT4

V+

RA1

RB1

RA2

RB2

RA3

RB3

RA4

RB4

V-

OUT 3

OUT 2

OUT 1

V+

TIMER 1

TIMER 2

TIMER 3

TIMER 4

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