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KA2418 Scheda tecnica(PDF) 2 Page - Wing Shing Computer Components |
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KA2418 Scheda tecnica(HTML) 2 Page - Wing Shing Computer Components |
2 / 3 page DC ELECTRICAL CHARATERISTICS (T A=25℃ ℃ ℃ ℃) Symbol Characteristics Min. Typ. Max. Units Test Conditions V CC Supply Voltage 26 V I CC Current Consumption Without load 1.5 1.8 mA V CC=8.8 to 26V V ON Activation Voltage 12.2 13 V V ONR Activation Voltage Range 8 10 V R A=1KΩ V SUS Sustaining Voltage 8 8.8 V R D(OFF) Different Resistance in OFF Condition 6.4 KΩ V O(P-P) Output Voltage Swing V CC-3 V I SC Short Circuit Current 35 mA V CC=26V TEST AND APPLICATION CIRCUIT DESCRIPTION The WS2418 tone ringer device its power supply by rectifying the AS ringing signal. It uses this power to activate two tone generators. The two tone frequencies generators are switched by an internal oscillator in a fast sequence and made audible across an output amplifier in the loudspeaker, both tone frequencies and the switch frequency can be externally adjusted The devices can driver either directly a piezo ceramic converter (buzzer) or small loudspeaker. In case of using a loudspeaker, a transformer is need.4 An internal shunt voltage regulator provides DC voltage to the output stage, low frequency oscillator, and high frequency oscillator. To protect the IC telephone line transients, a zener diode is include. TEL LINE RING TIP C C C C 3 33 3 10 F 10 F 10 F 10 F 1 F,250V 1 F,250V 1 F,250V 1 F,250V AC AC AC AC 2.2K 2.2K 2.2K 2.2K R R R R A A A A 10K 10K 10K 10K 10K 10K 10K 10K 12K 12K 12K 12K R R R R 1 11 1 100nF 100nF 100nF 100nF C C C C 1 11 1 0.22 F 0.22 F 0.22 F 0.22 F V V V V OUT OUT OUT OUT Piezo Piezo Piezo Piezo 1300 :8 1 11 1 2 22 23 33 34 44 4 7 77 7 8 88 85 55 5 6 66 6 WS2418 V V V V CC CC CC CC R R R R 2 22 2 C C C C 2 22 2 ffff 1 11 1= = = = , f , f , f , f 2 22 2= = = = 1.75 1.75 1.75 1.75....10 10 10 104444 R R R R 1 11 1 (K ) (K ) (K ) (K ) 5 55 5 7 77 7 ffff 1 11 1, f , f , f , f S S S S= = = = 800 800 800 800 C 1 (nF ) AC ELECTRICAL CHARACTERISTICS Symbol Characteristic Min. Typ. Max. Units Test Conditions V CC=26V, R1=14KΩ F H1 2300+300 V C=0V(PIN3) F H2 Output Frequency 1700+300 H Z V C=6V(PIN3) f H1R f H1 Range 0.1 15 KHz R 1=27KΩ To 1.7KΩ f S Sweep Frequency 8 H Z R 1=14KΩ,C1=100nF WS2418 TELEPHONE TONE RINGER WITH BRIDGE DIODE 1000 3.22X |
Codice articolo simile - KA2418 |
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Descrizione simile - KA2418 |
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