SL2411 System Logic Semiconductor, SL2411 Datasheet

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SL2411

Manufacturer Part Number
SL2411
Description
Tone Ringer
Manufacturer
System Logic Semiconductor
Datasheet
1. Output amplifier
2. High frequency oscillator
3. Low frequency oscillator
4. Hysteresis regulator
Tone Ringer
The SL2411 is a bipolar integrated circuit designed for telephone bell
replacement.
(Regulator circuit has built-in hysteresis to prevent false
triggering and rotary dial “Chirps”)
SLS
Designed for Telephone Bell Replacement
Low Curent 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’
System Logic
Semiconductor
LOGIC DIAGRAM
PIN 5 = GND
PIN 1 = V
CC
ORDERING INFORMATION
PIN ASSIGNMENT
T
SL2411N Plastic
SL2411D SOIC
A
for package
= -45 to 65 C
SL2411

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SL2411 Summary of contents

Page 1

... Tone Ringer The SL2411 is a bipolar integrated circuit designed for telephone bell replacement. Designed for Telephone Bell Replacement Low Curent Drain Adjustable 2-frequency Tone Adjustable Warbling Rate Extension Tone Ringer Modules Alarms or Other Alerting Devices Adjustable for Reduced Supply Initiation Current. ...

Page 2

... SL2411 PIN DESCRIPTION NAME PIN V 1 Positive power supply External resistor SL LFI 3 Input low frequency oscillator LF0 4 Output low frequency oscillator GND 5 Negative power supply HF0 6 High frequency oscillator output HFI 7 High frequency oscillator input OUT 8 Tone output * MAXIMUM RATINGS ...

Page 3

... Pin 7=GND V =21V, I =15mA, Pin - CC OL 6=GND, Pin 7=6V Pin 3=6V,Pin 4=GND =21V CC Pin 7=6V,Pin 6=GND =21V CC R =191K ,C =6800pF 461 =191K ,C =6800pF 576 =165K ,C =0. SL2411 = - Typ Max Unit 21.2 V 4.2 mA 12.2 V 2.5 mA 21.0 V 1.8 V 1.0 A 1.0 A 563 Hz 704 Hz 11.0 Hz ...

Page 4

... SL2411 CIRCUIT CURRENT-SUPPLY VOLTAGE (NO LOAD) SUPPLY CURRENT (NO LOAD) vs. SUPPLY VOLTAGE Figure 1 Figure 2 SLS System Logic Semiconductor ...

Page 5

... System Logic SLS Semiconductor APPLICATION CIRCUIT Figure 3 SL2411 ...

Page 6

... SL2411 The application circuit illustrates the use of the SL2411 devices in typical telephone or extension tone ringer application. The AC ringer signal voltage appears across the TIP and RING inputs of the circuit and is attenuated by capacitor C and resistor also provides isolation from DC voltages (48V) on the exchange line. ...

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