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| KA2410/KA2411 DESCRIPTION TELEPHONE TONE RINGERS THE KA2410/2411 IS A BIPOLAR INTEGRATED CIRCUIT DESIGNED FOR TELEPHONE TONE RINGER.THESE DEVICES CONSISTS OF AN OUTPUT AMPLIFIER, TWO OSCILLATORS, AND POWER SUPPLY CONTROL CIRCUIT. FEATURES ! ! ! ! ! ! Low current drain Adjustable 2 tone frequency Hysteresis circuit prevents false triggering and rotary dial "CHIRPS" 8 pin DIP plastic package External triggering or ringer disables (KA2410) Adjustable for reduced supply initiation current (KA2411) 8-pin DIP APPLICATIONS ! ! ! Telephone bell replacement Extension tone ringer modules Alarms or other alerting devices PIN ASSIGNMENT PIN 1 2 3 4 5 6 7 8 PIN CONFIGURATION FUNCTION (TOP VIEW) NAME VCC RSL LFI LFO GND HFO HFI OUT Power Supply Resistor Select Low freq. osc. Input Low freq. osc. Output Ground High freq. osc. Output High freq. osc. Input Output VCC RSL LFI LFO OUT DIP-8 SOP-8 HFI HFO GND ABSOLUTE MAXIMUM RATINGS Voltage values are with respect to the anode terminal unless otherwise noted PARAMETER DC Supply Voltage Power Dissipation Operating Ambient Temperature Range Storage Temperature Range SYMBOL VCC PD TA TSTG RATING 36 450 -25~+75 -65~+150 UNITS V mW Wing Shing Computer Components Co., (H.K.)Ltd. Homepage: http://www.wingshing.com Tel:(852)2341 9276 Fax:(852)2797 8153 E-mail: wsccltd@hkstar.com KA2410/KA2411 TELEPHONE TONE RINGERS ELECTRICAL CHARATERISTICS (VCC=24V, TA=25, UNLESS OTHERWISE NOTED) PARAMETER Operating Voltage Supply Initiation Voltage Current Sustaining Voltage Current Oscillator Freq. #3 Oscillator Freq. #3 Oscillator Freq. #3 Output High Voltage Low Voltage Trigger Voltage #4 Current #5 Disable Voltage Current #6 #1. #2. #3. SYMBOL VCC VSI ISI VSUS ISUS fL fH1 fH2 VOH VOL VTRG ITRG VDIS IDIS TEST CONDITIONS MIN TYP VCC=VSI, No load #1 VCC=VSUS, No load #2 R1=165k, C1=0.47f R2=191k, C2=6800pF R2=191k, C2=6800pF VCC=21V IOH=15mA IOL=15mA VCC=15V KA2410 Only ( 2 pin) KA2410 Only ( 2 pin) 17 1.4 9.7 0.2 9 461 576 17.7 8.5 19 2.5 10.5 0.9 10 512 640 19 MAX UNIT 36 V 21 4.2 mA 12 V 2.5 mA 11 Hz 563 Hz 703 Hz 21.5 1.6 10.5 1000 0.8 V V A V A 20 -40 0.4 -20 #4. #5. #6. Supply initiation voltage is the value of DC supply voltage required to start the tone ringer oscillating. Sustaining voltage is the value of DC supply voltage required to maintain the oscillation. Oscillator frequency is determined by the following equations: fL = 1/(1.359XR1XC1)(Hz) fhi = 1/(1.518XR2XC2)(Hz) fh2 = 1.214XfHI (Hz) VTR and ITR the conditions applied to trigger input to start oscillation for VSUS VCC V SI. Trigger current must be limited to this value externally. VDIS and IDIS are the conditions applied to trigger input to inhibit oscillation for VSI V CC. APPLICATION CIRCUIT FOR 2410 1F 1F 50V 1 RSL 2 7 8 470k T 250V 6.2k 2410 3 6 5 R2 180k 10K C2 4.7nF f=20Hz 27V 10F 50V R1 220k 4 R C1 220nF KA2410/KA2411 TELEPHONE TONE RINGERS APPLICATION CIRCUIT FOR 2411 1F 10F 50V 1 RSL 2 7 8 470k T 250V 6.2k 2411 3 6 5 R2 180k 10K C2 4.7nF f=20Hz 27V 10F 50V R1 220k 4 R C1 220nF ICC [mA] Shown the supply initiation current (ISI) can be changed using the RSL pin. RSL=6.2k RSL=10k 3 2 RSL=15k 1 0 10 20 VCC [V] Use of RSL pin (for KA2411 only) KA2410/KA2411 TELEPHONE TONE RINGERS Pad Location KA2410 / KA2411 8 7 6 5 4 1 110 110 3 2B 2A Y X Chip Size 1.45 X 1.45mm For KA2410 2A pad to be used, 2B pad not connected; For KA2411 2B pad to be used, 2A pad not connected. Pad N 1 2A 2B 3 4 5 6 7 8 Pad Name VCC RSL LFI LFO GND HFO HFI OUT Coordinates X (m) Y (m) 95 270 925 90 690 90 1245 90 1245 490 1245 765 1245 1185 460 1185 95 1185 KA2410/KA2411 TELEPHONE TONE RINGERS Pad Location KA2410 / KA2411 ( new design ) 8 7 6 5 4 1 100 100 3 2 Y Chip Size 1.25 X 1.25mm Pad N 1 2 3 4 5 6 7 8 Pad Name VCC RSL LFI LFO GND HFO HFI OUT Coordinates X (m) Y (m) 75 250 640 81 1095 81 1095 469 1095 731 1095 1037 447 1037 75 1037 |
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