S567P Semiconductor 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 • • • • • Precision oscillator • Wide band FSK demodulation • carrier current remote controls Touch tone decoding Frequency monitoring and control Ultrasonic controls Communications paging decoders Ordering Information Type NO. S567P Marking S567P Package Code DIP-8 Outline Dimensions unit : mm ♦ Block Diagram KSI-L005-000 1 S567P Absolute Maximum Ratings Characteristic Symbol Ratings Unit Supply Voltage VIN 10 V Power Dissipation PD 300 mW V8 - 15 V V3 - -10 V V3 - Storage Temperature V8 +0.5 T stg V °C -55 ~+150 Electrical Characteristics (※ AC Test Circuit, Ta=25℃, VCC=5V) Characteristic Symbol Test Condition Min. Typ. Max. Unit Power Supply Voltage Range VCC - 4.75 5 9 V Power Supply Current Quiescent ICCQ RL=20KΩ - 6 8 mA Power Supply Current Activated ICC RL=20KΩ - 11 13 mA Input Resistance RIN - 15 20 25 KΩ Smallest Detectable Input Voltage VIN – 1 IL=100 mA, f =fO - 20 25 mV rms Largest No Output Input Voltage VIN – 2 IC=100 mA, f =fO 10 15 - mV rms Largest Simultaneous Outband Signal to Inband Signal Ratio SI/SO - - 6 - dB Minimum Input Signal to Wideband Noise Ratio S/N Bn = 140KHz - -6 - dB Largest Detection Bandwith B.W - 10 14 18 %of fo Largest Detection Bandwith Skew B.W S - - 2 3 %of fo B.W T - - ±0.1 ±0.25 %1℃ B.W V 4.75V ~ 6.75V - ±1 ±2 %/V Highest Center Frequency fO-H - 100 500 - KHz Center Frequency Stability fO-S Center Frequency Shift with Supply Voltage Fastest ON-OFF Cycling Rate Largest Detection Bandwith Variation With Temperature Largest Detection Bandwith Variation With Supply Voltage Output Leakage Current Output Saturation Voltage 0℃< Ta < 70℃ - 35±60 - ppm/℃ -55℃< T a <+125℃ - 35±140 - ppm/℃ fO-V 4.75V ~ 6.75V ,- 0.5 2 %/V CRON-OFF - - fO /20 - - V8 = 15V ILEAK VSAT - 0.01 25 uA VIN =25mVrms , I 8 = 30mA - 0.2 0.4 V VIN =25mVrms , I 8 =100mA - 0.6 1 V Output Fall Time tF - - 30 - ns Output Rise Time tR - - 150 - 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 Electrical Characteristic Curves 1. ICC vs Vcc The center frequency of the tone decoder is equal to the free running frequency of the VCO. 2. BW by - fO fo = 1/(1.1R1C1) This is given The bandwidth of the filter may be found from the approximation B.W =1070(√VIN / f0C2) in % of fO Where VIN = Input voltage(Volts rms ), VIN≤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