IL2411N Datasheet, PDF (1/6 Pages) IK Semicon Co., Ltd – Adjustable Warbling Rate

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’
ORDERING INFORMATION
Device
Operating
Temperature Range
IL2411N
IL2411D
IL2411DT
TA = -45 to 65 C
Package
DIP8
SOP8
SOP8
Packing
Tube
Tube
Tape & Reel
TECHNICAL DATA
IL2411N/D
SOP 8
DIP 8
T_A = -45 to 65 C
LOGIC DIAGRAM
PIN ASSIGNMENT
V _CC
OUT
R _SL
HFI
LFI
HF0
LF0
GND
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”)
2011, March, Rev. 01