UTCMC34118 查看數據表（PDF） - Unisonic Technologies

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UTCMC34118

VOICE SWITCHED SPEAKER-PHONE CIRCUIT

Unisonic Technologies 

UTCMC34118 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 20µA 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, 220kΩ

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

µA

Ω

µA

mV

µA

nA

%

%

TEMPERATURE PARAMETERS

PARAMETER

TYP VALUE

(Ta=25°C)

TYP CHANGE

UNIT

Vcc Supply Current(CD=0.8V)

5mA

-0.3

%/°C

Vcc Supply Current(CD=2V)

400µA

-0.4

%/°C

VB Output Voltage(Vcc=5V)

2.1V

+0.8

%/°C

Attenuator Gain(Max Gain)

6

0.0008

dB/°C

Attenuator Gain(Max Attenuation)

-46dB

0.004

dB/°C

Attenuator Input resistance

10kΩ

0.6

%/°C

Dial Tone Detector Threshold

15mV

20

µV/°C

CT Source, Sink Current

+-60µA

-0.15

%/°C

Microphone, Hybid Amplifier Offset

0mV

+-4

µV/°C

UTC UNISONIC TECHNOLOGIES CO., LTD.

6

QW-R108-007,A

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