IL2411 Datasheet, PDF (1/6 Pages) Integral Corp. – Tone Ringer

TECHNICAL DATA
Tone Ringer
IL2411N/D
The IL2411 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’
8-SOP
8-DIP
T_A = -45° to 65° C
LOGIC DIAGRAM
PIN 1 = V_CC
PIN 5 = GND
1. Output amplifier
2. High frequency oscillator
3. Low frequency oscillator
4. Hysteresis regulator
(Regulator circuit has built-in hysteresis to
prevent false triggering and rotary dial “Chirps”)
PIN ASSIGNMENT
V _CC
OUT
R _SL
HFI
LFI
HF0
LF0
GND
1