MC34018-R28-R 查看數據表（PDF） - Unisonic Technologies

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MC34018-R28-R

VOICE SWITCHED SPEAKERPHONE CIRCUIT

Unisonic Technologies 

MC34018

LINEAR INTEGRATED CIRCUIT

„ ABSOLUTE MAXIMUM RATINGS (Ta=25℃, Voltage referred to pin 22.)

PARAMETER

SYMBOL

RATINGS

UNIT

V+ terminal Voltage (pin 16)

+12, -1.0

V

CS (pin 18)

+12, -1.0

V

Speaker amplifier Ground(pin 14)

+3.0, -1.0

V

VLC(pin 24)

Storage temperature

+VCC, -1.0

V

TSTG

-65 ~ +150

°C

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

„ RECOMMENDED OPERATION CONDITIONS

PARAMETER

SYMBOL

V+ Terminal Voltage (pin 16)

CS (pin 18)

VLC (pin 24)

Receive Signal(pin 27)

Microphone Signal(pin 9)

Speaker Amplifier Ground (pin 14)

ICC (pin 20)

Ambient Temperature

TA

„ TEMPERATURE CHARACTERISTICS (-20 ~+60℃)

RATINGS

+6.0 ~ +11

0 ~ +11

0.55VB ~ VB

0 ~ 250

0 ~ 5.0

-10 ~ +10

0 ~ 3.0

-20 ~ +60

UNIT

V

V

V

mVrms

mVrms

mVdc

mA

°C

PARAMETER

V+ Supply Current ( V+ 11V,Pin 18 = 0.7V )

V+ Supply Current(V+ 11V,Pin 18 = 1.6V )

VCC Voltage( V+ = 7.5V )

Attenuator Gain ( Max and Min Setting )

Delta RXO,TXO Voltage

Speaker AMP Gain

Microphone AMP Gain

Microphone Amp Input Resistance

Tx-Rx Switching Threshold (20μA)

PIN

16

16

20

4,26

15,19

9,10

9

5,7

„ ELECTRICAL CHARACTERISTICS (Referred to Fig.1)

TYP CHANGE

-0.2

-0.4

+0.1

±0.003

±0.24

±0.001

±0.4

+0.4

±0.2

UNIT

%/°C

%/°C

%/°C

dB/°C

%/°C

dB/°C

dB/°C

%/°C

nA/°C

PARAMETER

SUPPLY VOLTAGES

VCC Voltage

Line Regulation

Dropout Voltage

VB Voltage

V+ Supply Current

Output Resistance

Output Resistance

ATTENUATORS

Receive Attenuator Gain

(1.0kHz)

Rx Mode, Pin 24= VB

Pin 27 = 250Mvrms

Range (Rx to Tx Modes)

Idle Mode, Pin 27= 250mVrms

SYMBOL

TEST CONDITIONS

VCC

ΔVCCLN

VD

VB

IV+

ROUT

ROUT

V+=7.5V

6.5V<V+<11V

V+=5.0V

V+=7.5V

V+=11V,Pin 18=0.7V

V+=11V,Pin 18=1.6V

ICC=3mA

IB=1.7mA

GRX

ΔGRX

GRI

MIN TYP MAX UNIT

4.9

5.4

5.9 Vdc

65 150 mV

80 300 mV

2.5

2.9

3.3 Vdc

9.0 mA

800 μA

6.0

20

Ω

250

Ω

2.0

6.0

10 dB

40

44

48 dB

-20 -16 -12 dB

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

5 of 8

QW-R108-006,C

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