LS6501 datasheet(4/8 Pages) LSI

4 / 8 page

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

CONDITIONS

OUTPUT DRIVE CURRENT:

Triac (AC MODE)

-40

With 3V Triac Gate Drive

Relay (DC MODE)

-10

With 1V Max. across the

LS6501LP.

TRIAC OUTPUT TIMING:

Pulse Width

TTPW

µs

VDD = 8V, f = 60Hz and

Delay from zero crossover

TOD

1.00

1.2

1.32

2.7V P-P AC input

Delay difference between

TODD

150

µs

f = 60Hz

zero crossovers

AC INPUT IMPEDANCE

ZAC

270

Ω

LED OUTPUT:

Sink Current

ILS

VDD = 8V, Vo = .5V Max.

Pulse Width

TLPW

.75

1.25

sec

f = 60Hz.

DUAL PULSE MODE:

Time between pulse-pairs

5.125

sec

for motion recognition

6501LP-070601-4

AMP

COMP

DIFF AMP 2

OUTPUT

DIFF AMP 2

INPUT (-)

DIFF AMP 1

OUTPUT

DIFF AMP 1

INPUT (-)

DIFF AMP 1

INPUT (+)

A/D

CONVERTER

OUTPUT

DURATION

TIMER

DIGITAL

FILTER

CONTROL

LOGIC

DEAD

TIME

TIMER

1 SECOND

PULSE GEN

VREG

5 VOLT

REGULATOR

VREG

OUTPUT

BUFFER

ZERO CROSS-OVER

DETECT

OSCILLATOR

TIMER

CONTROL

INPUT

INHIBIT INPUT

PULSE MODE

SELECT INPUT

DEAD TIME

SELECT INPUT

5V REGULATOR

OUTPUT

VDD

VSS

LED OUTPUT

TRIAC/RELAY OUTPUT

AC INPUT

OSCILLATOR INPUT

FIGURE 2. LS6501LP BLOCK DIAGRAM

VREG

INHIBIT

COMPARATOR

PULSE

SELECT

LOGIC

WINDOW

COMPARATOR

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