KA2410/KA2411 TELEPHONE TONE RINGERS DESCRIPTION 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 ! ! ! ! ! ! 8-pin DIP 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) APPLICATIONS ! ! ! Telephone bell replacement Extension tone ringer modules Alarms or other alerting devices PIN CONFIGURATION PIN ASSIGNMENT PIN NAME 1 2 3 4 5 6 7 8 VCC RSL LFI LFO GND HFO HFI OUT (TOP VIEW) FUNCTION Power Supply Resistor Select Low freq. osc. Input Low freq. osc. Output Ground High freq. osc. Output High freq. osc. Input Output VCC RSL OUT DIP-8 SOP-8 LFI HFO LFO GND ABSOLUTE MAXIMUM RATINGS Voltage values are with respect to the anode terminal unless otherwise noted PARAMETER SYMBOL RATING UNITS DC Supply Voltage Power Dissipation Operating Ambient Temperature Range Storage Temperature Range VCC PD TA TSTG 36 450 -25~+75 -65~+150 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: [email protected] HFI ℃ TELEPHONE TONE RINGERS KA2410/KA2411 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. #4. #5. #6. SYMBOL VCC TEST CONDITIONS VSI ISI VSUS ISUS fL fH1 fH2 VCC=VSI, No load #1 VOH VOL VCC=VSUS, No load #2 R1=165kΩ, C1=0.47µf R2=191kΩ, C2=6800pF R2=191kΩ, C2=6800pF VCC=21V IOH=15mA IOL=15mA VTRG ITRG VCC=15V KA2410 Only ( 2 pin) VDIS IDIS MIN TYP 17 1.4 9.7 0.2 9 461 576 19 2.5 10.5 0.9 10 512 640 17.7 19 8.5 20 KA2410 Only ( 2 pin) -40 0.4 -20 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 1µF T 1µF 250V 6.2k 50V 470k 8 1 RSL 2 7 2410 f=20Hz 27V 6 4 5 10K R1 220k 10µF 50V R R2 180k 3 C1 220nF C2 4.7nF 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 µA V µA KA2410/KA2411 TELEPHONE TONE RINGERS APPLICATION CIRCUIT FOR 2411 1µF T 10µF 250V 6.2k 50V 470k 8 1 RSL 2 7 2411 27V f=20Hz R2 180k 3 6 4 5 10K R1 220k C2 4.7nF 10µF 50V C1 220nF R ICC Shown the supply initiation current (ISI) can be changed using the RSL pin. [mA] RSL=6.2k 3 RSL=10k 2 RSL=15k 1 0 10 20 VCC [V] Use of RSL pin (for KA2411 only) TELEPHONE TONE RINGERS KA2410/KA2411 Pad Location KA2410 / KA2411 8 6 7 5 4 1 110 3 2B 110 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 (µm) Y (µm) 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 6 7 5 4 1 100 3 2 100 Y Chip Size 1.25 X 1.25mm Pad N Pad Name 1 2 3 4 5 6 7 8 VCC RSL LFI LFO GND HFO HFI OUT Coordinates X (µm) Y (µm) 75 250 640 81 1095 81 1095 469 1095 731 1095 1037 447 1037 75 1037