ls6505 LSI Computer Systems, Inc., ls6505 Datasheet - Page 3

• Manufacturer Part Number: ls6505
• Description: Pir Sensor Interface
• Manufacturer: LSI Computer Systems, Inc.

6505-012703-3
MODE SELECT INPUT
DIFF AMP 1
INPUT (-)
DIFF AMP 2
INPUT (-)
DIFF AMP 1
INPUT (+)
DIFF AMP 1
OUTPUT
OPERATION SELECT
INPUT
DIFF AMP 2
OUTPUT
DEAD TIME
SELECT INPUT
TIMER
CONTROL
INPUT
INPUT VOLTAGE
OUTPUT DURATION TIMER AS A FUNCTION OF TIMER
10/16 V
12/16 V
13/16 V
14/16 V
15/16 V
11/16V
1/16 V
2/16 V
4/16 V
5/16 V
6/16 V
7/16 V
8/16 V
9/16 V
15
16
3/16V
2
1
3
13
11
12
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
0
4
CONTROL INPUT VOLTAGE
CONVERTER
(f = Frequency at AC input)
AMP
-
+
A/D
f = 50Hz
+
V
TABLE 1
18
36
54
72
2.4
3.6
4.8
6
7.2
8.4
9.6
10.8
12
14.4
16.8
18
AMP
-
+
f = 60Hz
OUTPUT
DURATION
TIMER
15
30
45
60
10
12
14
15
2
3
4
5
6
7
8
9
COMPARATOR
WINDOW
+
+
-
-
COMP
COMP
FIGURE 2. LS6505 BLOCK DIAGRAM
UNIT
sec
sec
sec
sec
min
min
min
min
min
min
min
min
min
min
min
min
DIGITAL
FILTER
INPUT STATE
CONTROL
LOGIC
PULSE
SELECT
LOGIC
0
OPEN
1
DEAD TIME DURATION AS A FUNCTION OF THE
DEAD
TIME
TIMER
The information included herein is believed to be
accurate and reliable. However, LSI Computer Systems,
Inc. assumes no responsibilities for inaccuracies, nor for
any infringements of patent rights of others which may
result from its use.
STATE OF DEAD TIME SELECT INPUT
1 SECOND
PULSE GEN
(f = Frequency at AC input)
f = 50Hz
TABLE 2
0
1.2
2.4
(+V)
(-V)
ZERO CROSS-OVER
OUTPUT
BUFFER
DETECT
f = 60Hz
0
1
2
8
6
V
V
DD
SS
14
7
9
WARNING OUTPUT
TRIAC OUTPUT
10
LED OUTPUT
5
PULSE MODE
SELECT INPUT
UNIT
AC INPUT
sec
sec
sec