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SL2411 Datasheet Tone Ringer

Manufacturer: System Logic Semiconductor

Overview: 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.

General Description

NAME VCC RSL LFI LF0 GND HF0 HFI OUT PIN 1 2 3 4 5 6 7 8 Positive power supply.

External resistor Input low frequency oscillator Output low frequency oscillator Negative power supply High frequency oscillator output High frequency oscillator input Tone output DESCRIPTION MAXIMUM RATINGS * Symbol VCC PD Tstg * Parameter DC Supply Voltage (Referenced to GND) Power Dissipation in Still Air, Plastic DIP Storage Temperature Value to +30.0 400 -65 to +150 Unit V mW °C Maximum Ratings are those values beyond which damage to the device may occur.

Functional operation should be restricted to the Remended Operating Conditions.

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