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TECHNICAL DATA
Tone Ringer
The KK2411 is a bipolar integrated circuit designed for telephone bell replacement. • Designed for Telephone Bell Replacement • Low Current Drain • Adjustable 2-frequency Tone • Adjustable Warbling Rate • Extension Tone Ringer Modules • Alarms or Other Alerting Devices • Adjustable for Reduced Supply Initiation Current. • Built-in hysteresis prevents false triggering and rotary dial ‘Chirps’
KK2411N/D
8-SOP
8-DIP
TA = -45° to 65° C
LOGIC DIAGRAM PIN ASSIGNMENT
V CC R SL
OUT HFI HF0 GND
LFI LF0
1. 2. 3. 4.
PIN 1 = VCC PIN 5 = GND Output amplifier High frequency oscillator Low frequency oscillator Hysteresis regulator (Regulator circuit has built-in hysteresis to prevent false triggering and rotary dial “Chirps”)
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KK2411N Datasheet
