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NE567 Datasheet(PDF) 1 Page - NXP Semiconductors

Part No. NE567
Description  Tone decoder/phase-locked loop
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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Philips Semiconductors Linear Products
Product specification
NE/SE567
Tone decoder/phase-locked loop
403
April 15, 1992
853-0124 06456
DESCRIPTION
The NE/SE567 tone and frequency decoder is a highly stable
phase-locked loop with synchronous AM lock detection and power
output circuitry. Its primary function is to drive a load whenever a
sustained frequency within its detection band is present at the
self-biased input. The bandwidth center frequency and output delay
are independently determined by means of four external
components.
FEATURES
Wide frequency range (.01Hz to 500kHz)
High stability of center frequency
Independently controllable bandwidth (up to 14%)
High out-band signal and noise rejection
Logic-compatible output with 100mA current sinking capability
Inherent immunity to false signals
Frequency adjustment over a 20-to-1 range with an external
resistor
Military processing available
APPLICATIONS
Touch-Tone® decoding
Carrier current remote controls
Ultrasonic controls (remote TV, etc.)
Communications paging
PIN CONFIGURATIONS
FE, D, N Packages
F Package
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
14
13
12
11
10
9
OUTPUT FILTER
CAPACITOR C3
LOW-PASS FILTER
CAPACITOR C2
INPUT
SUPPLY VOLTAGE V+
OUTPUT
GROUND
TIMING
ELEMENTS R1
AND C1
TIMING ELEMENT R1
OUTPUT
C3
NC
C2
INPUT
NC
VCC
GND
NC
NC
R1C1
R1
NC
NC
TOP VIEW
TOP VIEW
Frequency monitoring and control
Wireless intercom
Precision oscillator
BLOCK DIAGRAM
®Touch-Tone is a registered trademark of AT&T.
INPUT
V1
PHASE
DETECTOR
CURRENT
CONTROLLED
OSCILLATOR
QUADRATURE
PHASE
DETECTOR
AMP
AMP
LOOP
LOW
PASS
FILTER
3
5
6
7
1
8
2
4
3.9k
+
+V
FILTER
C1
R1
R2
R3
RL
VREF
C2
C3 OUTPUT




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