KA2410

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: [email protected] KA2410/KA2411 TELEPHONE TONE RINGERS ELECTRICAL CHARATERISTICS (VCC=24V, TA=25℃, UNLESS OTHERWISE NOTED) PARAMETER Operating Voltage Supply Initiation ...