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K2411 Dataheets PDF



Part Number K2411
Manufacturers Forward Holdings
Logo Forward Holdings
Description Telephone Tone Ringer
Datasheet K2411 DatasheetK2411 Datasheet (PDF)

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 1 2 3 4 5 6 7 8 Name VCC RSL LFI LFO GND HFO HFI OUT Function Power supply (+) Resistor select Low.

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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 1 2 3 4 5 6 7 8 Name VCC RSL LFI LFO GND HFO HFI OUT Function Power supply (+) Resistor select Low freq osc input Low freq osc output Ground (-) High freq osc output High freq osc input Signal output 1 2 3 4 8 7 6 5 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 ¢J ¢J ELECTRICAL CHARACTERISTICS VCC=24V,Ta=25¢J(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 Vcc=Vsus,No Load Sustaining Current Isus 0.2 1.4 2.5 mA Output High Voltage VOH Vcc=21V,IOH=15mA 17 19 21 V Output Low Voltage VOL Vcc=21V,IOL=15mA 1.6 V High Frequency 1 FH1 R3=191K, C3=6800pF 461 512 563 Hz High Frequency 2 R3=191K, C3=6800pF FH2 576 640 703 Hz Low Frequency R2=165K, C2=0.47uF FL 9 10 11 Hz Note: 1.initiation supply voltage (Vsi) is the supply voltage repuired to start the tone ringer oscillating. 2.sustaining voltage (Vsus) is the supply voltage repuired to maintain oscillation. w w w . t a d h s a t e e . u 4 m o c www.DataSheet4U.com 2411 .


SDI-C403 K2411 KK2411N


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