KA2411
KA2411 is TELEPHONE TONE RINGERS manufactured by Wing Shing Computer Components.
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
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
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 m W ℃
Wing Shing puter ponents Co., (H.K.)Ltd. Homepage: http://.wingshing.
Tel:(852)2341 9276 Fax:(852)2797 8153 E-mail: wsccltd@hkstar.
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....
