Part Number: K2411
Function: Telephone Tone Ringer
Package: DIP 8 pin
Manufacturer: Forward international electronic
Pinouts:
Pinouts:
1 VCC : Power supply (+)
2 RSL : Resistor select
3 LFI : Low freq osc input
4 LFO : Low freq osc output
5 GND : Ground (-)
6 HFO : High freq osc output
7 HFI : High freq osc input
8 OUT : Signal output
Description
The K2411 is a bipolar integrated circuit designed for telephone tone ringer.
Features
1. Designed for telephone bell
2. Adjustable 2-tone frequency
3. Hysteresis circuit prevents false triggering and rotary dial “Chirps”
4. Adjustable for reduced supply initiation current
Appication Circuit
Absolute Maximum Ratings
1. DC Supply Voltage : Vcc = 36 V
2. Power Dissipation: Pd = 450 mW
3. Operating Temperature : -25 ~ +75 °C
4. Storage Temperature : -55 ~ +125 °C