LS6511 Просмотр технического описания (PDF) - LSI Computer Systems
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LS6511 Datasheet PDF : 4 Pages
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FIGURE 4. DIFFERENTIAL INTERFACE TO PIR SENSOR PAIR
R2
C2
-
C3
+
R3
C4
R4
1
AMP 1
OUT
AMP 1 14
(-) IN
2 AMP 2
(-) IN
AMP 1 13
(+) IN
3 AMP 2
OUT LS6511
C5
R5 + -
R6
C6
+-
R10
R9
C7
R7
C8
R8
C9
PIR
SENSOR 1
PIR
SENSOR 2
DIFF AMP 2
OUTPUT
3
DIFF AMP 2
INPUT (-)
2
DIFF AMP 1
OUTPUT
1
DIFF AMP 1
INPUT (-)
14
DIFF AMP 1 13
INPUT (+)
12
5V REG
OUT
11
V DD
5V
+
+
R1
C10
C1
-
-
R1 = 1kΩ
d R2 = 1.5MΩ
R3 = 36kΩ
R4 = 1.5MΩ
e R5 = 36kΩ
R6 = 36kΩ
R7 = 36kΩ
R8 = 36kΩ
R9 = 5.6MΩ
R10 = 2.4MΩ
C1 = 100µF
C2 = 0.003µF
C3 = 10µF
C4 = 0.003µF
C5 = 10µF
C6 = 10µF
C7 = 0.01µF
C8 = 0.1µF
C9 = 0.1µF
C10 = 0.1µF
u PIRs = Perkin-Elmer LHi 954, 958, 978, 874 or 878; Nicera RE200B, SDA02-54 (Typical)
All Resistors 1/4 W. All Capacitors 10V.
tin NOTES: 1) A pair of PIR Sensors may be used in applications where a wider optical field of view is needed.
2) External 5V Regulator drives the LS6511 and PIR sensor.
n FIGURE 5. LS6511 BLOCK DIAGRAM
co WINDOW
COMPARATOR
DIGITAL FILTER RC
4
is +
COMP
D-
DIGITAL
FILTER
DURATION
TIMER RC
6
OUTPUT
DURATION
TIMER
MODE
SELECT
7
DRIVER
9 LED/RELAY
OUTPUT
-
-
AMP
AMP
+
VDD
+
DIGITAL
+
FILTER
M
U
X
COMP
-
WINDOW
TIMER
(+ V)
VDD 11
VSS 10
SHUNT
REGULATOR
(- V)
5 V REGULATOR 12
OUTPUT
CONCURRENT PULSE/
DUAL PULSE RC 5
PROGRAMMABLE
RETRIGGERABLE
ONE-SHOT
PROGRAMMABLE
RETRIGGERABLE
ONE-SHOT
DRIVER
8 LED/RELAY
OUTPUT
6511-090606-4
UNDERVOLTAGE
DETECTOR
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