UTC2411 - Hangzhou Silan Microelectronics

UTC2411 Tone Ringer

The UTC2411 is a bipolar integrated circuit designed for telephone bell replacement. LI NEAR I NTEGRATED CI RCUI T FUNCTIONS *Two oscillators *Output amplifier *Power supply control circuit FEATURES *Designed for telephone bell replacement. *Low current drain. *Small size 'MINIDIP' package. *Adjustable 2-frequency tone. *Adjustable warbling rate. *Built-i.

Features

*Designed for telephone bell replacement.
*Low current drain.
*Small size 'MINIDIP' package.
*Adjustable 2-frequency tone.
*Adjustable warbling rate.
*Built-in hysteresis prevents false triggering and rotary dial 'CHIRPS'.
*Extension tone ringer modules.
*Alarms or other alerting devices.
*Adjustable for reduced supply initiation current. DIP-8 BLOCK DIAGRAM R2 C3 R3 4 7 6 C2 1 POWER SUPPLY (WITH HYSTERESIS) 5 2 Note:R2,R3,C2 and C3 are parts externally mounted ABSOLUTE MAXIMUM RATINGS(Ta=25°C ) Characteristic Supply Voltage Power Dissipation Operating Temperature Storage Temperatu.