TECHNICAL DATA
Tone Ringer
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’
IL2411N/D
8-SOP
8-DIP
T
A
= -45° to 65° C
LOGIC DIAGRAM
PIN ASSIGNMENT
V CC
R
SL
OUT
HFI
HF0
GND
LFI
LF0
1.
2.
3.
4.
PIN 1 = V
CC
PIN 5 = GND
Output amplifier
High frequency oscillator
Low frequency oscillator
Hysteresis regulator
(Regulator circuit has built-in hysteresis to
prevent false triggering and rotary dial “Chirps”)
1
INTEGRAL [ INTEGRAL CORP. ]
