MC34118 データシートの表示（PDF） - Contek Microelectronics

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MC34118

VOICE SWITCHED SPEAKER PHONE CIRCUIT

Contek Microelectronics 

MC34118

LINEAR INTEGRATED CIRCUIT

PARAMETER

SYMBOL

TEST

CONDITIONS

HTO+ Low Voltage

VHT+L

Iout=+5mA

Distortion

THDM 300Hz<f<10kHz

LEVEL DETECTORS and BACKGROUND NOISE MONITORS

Transmit-Receive Switching

ITH

Threshold( Ratio of Current at

RLI1+RLI2 to 20mA at TLI1+TLI2 to

Switch from Tx to Rx)

Source Current at RLO1, RLO2,

ILSO

TLO1, TLO2

Sink Current at RLO1, RLO2,

ILSK

TLO1, TLO2

CPR, CPT Output Resistance

RCP

Iout=1.5mA

CPR, CPT Leakage Current

ICPLK

Filter

Voltage Offset at FO

FOVOS

VFO-VB, 220kW

from VB to FI

FO Sink Current

IFO

FI Bias Current

IFI

SYSTEM Distortion(f=1kHz)

Rx Mode

THDR from FI to RXO,

FO connected to

RXI

Tx Mode

THD` from MCI to HTO-

/HTO+, includes

TX attenuator

MIN

0.8

-200

150

TYP

0.3

1

MAX

450

1.2

-2

4

35

-0.2

-90

0

260

400

-50

0.5

3

0.8

3

UNIT

mV

%

mA

mA

mA

W

mA

mV

mA

nA

%

%

Contek

TEMPERATURE PARAMETERS

PARAMETER

Vcc Supply Current(CD=0.8V)

Vcc Supply Current(CD=2V)

VB Output Voltage(Vcc=5V)

Attenuator Gain(Max Gain)

Attenuator Gain(Max Attenuation)

Attenuator Input resistance

Dial Tone Detector Threshold

CT Source, Sink Current

Microphone, Hybid Amplifier Offset

TYP VALUE

(Ta=25 C)

5mA

400mA

2.1V

6

-46dB

10kW

15mV

+-60mA

0mV

TYP CHANGE

-0.3

-0.4

+0.8

0.0008

0.004

0.6

20

-0.15

+-4

UNIT

%/ C

%/ C

%/ C

dB/ C

dB/ C

%/ C

mV/ C

%/ C

mV/ C

Contek Microelectronics Co.,Ltd.

6

CONTEK

http://www.contek-ic.com E-mail:sales@contek-ic.com

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