K2411 查看數據表（PDF） - Unspecified

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K2411

Telephone Tone Ringer / DIP 8 pin

Unspecified 

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

1

8

1

VCC Power supply (+)

2

RSL Resistor select

2

7

3

LFI Low freq osc input

4

LFO Low freq osc output

3

6

5

GND Ground (-)

6

HFO High freq osc output

4

5

7

HFI High freq osc input

8

OUT Signal output

ABSOLUTE MAXIMUM RATING

Parameter

DC Supply Voltage

Power Dissipation

Operating Temperature

Storage Temperature

Symbol

Rating

Unit

Vcc

36

V

Pd

450

mW

Topr

-25~+75

℃

Tstg

-55~+125

℃

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 V

VOL

Vcc=21V,IOL=15mA

1.6 V

High Frequency 1

High Frequency 2

Low Frequency

FH1

R3=191K, C3=6800pF

461 512 563 Hz

FH2

R3=191K, C3=6800pF

576 640 703 Hz

FL

R2=165K, C2=0.47uF

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.

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