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| Semiconductor S567P TONE DECODER Description The S567 is general purpose tone decoders designed to provide a saturated transistor switch to ground when an input signal is present within the passband. Features * Logic compatible output with 100mA current sinking capability * 20 to 1 frequency range with an external resistor * Bandwidth adjustable from 0 to 14% * High rejection of out of band signals and noise. * Immunity to false signals * Highly stable center frequency * Center frequency adjustable from 0.01Hz to 500KHz Applications * * * * Touch tone decoding Frequency monitoring and control Ultrasonic controls Communications paging decoders Type NO. S567P Marking S567P * Precision oscillator * Wide band FSK demodulation * carrier current remote controls Ordering Information Package Code DIP-8 Outline Dimensions unit : mm Block Diagram KSI-L005-000 1 S567P Absolute Maximum Ratings Characteristic Supply Voltage Power Dissipation V8 V3 V3 Storage Temperature Symbol VIN PD T stg Ratings 10 300 15 -10 V8 +0.5 -55 ~+150 Unit V mW V V V C Electrical Characteristics (O AC Test Circuit, Ta=25E, VCC=5V) Characteristic Power Supply Voltage Range Power Supply Current Quiescent Power Supply Current Activated Input Resistance Smallest Detectable Input Voltage Largest No Output Input Voltage Largest Simultaneous Outband Signal to Inband Signal Ratio Minimum Input Signal to Wideband Noise Ratio Largest Detection Bandwith Largest Detection Bandwith Skew Largest Detection Bandwith Variation With Temperature Largest Detection Bandwith Variation With Supply Voltage Highest Center Frequency Center Frequency Stability Center Frequency Shift with Supply Voltage Fastest ON-OFF Cycling Rate Output Leakage Current Output Saturation Voltage Output Fall Time Output Rise Time Symbol VCC ICCQ ICC RIN VIN - 1 VIN - 2 SI/SO S/N B.W B.W S B.W T B.W V fO-H fO-S fO-V CRON-OFF ILEAK VSAT tF tR Test Condition RL=20KU RL=20KU IL=100mA, f=fO IC=100mA, f=fO Bn = 140KHz - Min. 4.75 15 10 10 100 ,- Typ. 5 6 11 20 20 15 6 -6 14 2 3/40.1 3/41 500 353/460 353/4140 0.5 fO /20 0.01 0.2 0.6 30 150 Max. 9 8 13 25 25 18 3 3/40.25 3/42 2 25 0.4 1 - Unit V mA mA KU mV rms mV rms dB dB %of fo %of fo %1E %/V 4.75V ~ 6.75V 0E< Ta < 70E -55E< T a <+125E KHz ppm/E ppm/E %/V - 4.75V ~ 6.75V V8 = 15V VIN =25mVrms , I 8 = 30mA VIN =25mVrms , I 8 =100mA uA V V - ns ns KSI-L005-000 2 S567P TEST Circuit Applications 1. Oscillator with Quadrature Output 2. Oscillator with Double Frequency Output 3. Precision Oscillator to switch 100mA Loads The center frequency of the tone decoder is equal to the free running frequency of the VCO. 2. BW - fO This is given by fo = 1/(1.1R1C1) Electrical Characteristic Curves 1. ICC vs Vcc The bandwidth of the filter may be found from the approximation B.W =1070(iVIN / f0C2) in % of fO Where VIN = Input voltage(Volts rms ), VINA 200mV C2 = Capacitance at pin2(uF) KSI-L005-000 3 S567P Electrical Characteristic Curves 1. ICC - Vcc 2. BW - fO 3. BW (C2 ,C3 Function) 4. VIN - BW KSI-L005-000 4 |
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