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PDF K2411 Data sheet ( Hoja de datos )

Número de pieza K2411
Descripción Telephone Tone Ringer
Fabricantes Forward Holdings 
Logotipo Forward Holdings Logotipo

K2411 datasheet


1. PDF - Telephone Tone Ringer






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No Preview Available ! K2411 Hoja de datos, Descripción, Manual

FORWARD INTERNATIONAL ELECTRONICS LTD.
SEMICONDUCTOR
TECHNICAL DATA
K2411
TELEPHONE TONE RINGER
The 2411 is a bipolar integrated circuit designed for telephone tone ringer.
Features
* Designed for telephone bell replacement
* Adjustable 2-tone frequency
* Hysteresis circuit prevents false triggering and rotary dial “Chirps”
* Adjustable for reduced supply initiation current
Package: DIP-8
Pin No Name Function
18
1 VCC Power supply (+)
2 RSL Resistor select
27
3 LFI Low freq osc input
4 LFO Low freq osc output
36
5 GND Ground (-)
6 HFO High freq osc output
45
7 HFI High freq osc input
8 OUT Signal output
ABSOLUTE MAXIMUM RATING
Parameter
DC Supply Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
Vcc
Pd
Topr
Tstg
Rating
36
450
-25~+75
-55~+125
Unit
V
mW
ELECTRICAL CHARACTERISTICS VCC=24V,Ta=25 (Unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Operating Supply Voltage
Vcc
36 V
Initiation Supply Voltage (note 1)
Vsi
17 19 21 V
Initiation Supply Current
Isi Vcc=Vsi,No Load,Rsl=6.8k 1.4 3.5 4.2 mA
Sustaining Voltage (note 2)
Vsus
9.7 11 13 V
Sustaining Current
Isus Vcc=Vsus,No Load 0.2 1.4 2.5 mA
Output High Voltage
Output Low Voltage
VOH Vcc=21V,IOH=15mA 17 19 21
VOL Vcc=21V,IOL=15mA
1.6
mHigh Frequency 1
FH1
R3=191K, C3=6800pF
461 512 563
.coHigh Frequency 2
Low Frequency
FH2
R3=191K, C3=6800pF
576 640 703
FL R2=165K, C2=0.47uF 9 10 11
t4uNote:
1.initiation supply voltage (Vsi) is the supply voltage repuired to start the tone ringer oscillating.
www.datashee2.sustaining voltage (Vsus) is the supply voltage repuired to maintain oscillation.
V
V
Hz
Hz
Hz

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