SL2411
Tone Ringer
The SL2411 is a bipolar integrated circuit designed for telephone bell replacement.
• Designed for Telephone Bell Replacement • Low Curent 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’
ORDERING INFORMATION SL2411N Plastic SL2411D SOIC TA = -45° to 65° C for package
LOGIC DIAGRAM
PIN ASSIGNMENT
PIN 1 = VCC PIN 5 = GND 1.
2.
3.
4.
Output amplifier High frequency oscillator Low frequency oscillator Hysteresis
regulator (
Regulator circuit has built-in hysteresis to p...