IL2411 データシートの表示（PDF） - Integral Corp.

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IL2411

Tone Ringer

Integral Corp. 

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

TA = -45° to 65° C

LOGIC DIAGRAM

PIN 1 = VCC

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

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