MC34018

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

5 of 8

www.unisonic.com.tw

QW-R108-006.E



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

V

Storage temperature

-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

RATINGS

UNIT

V+ Terminal Voltage (pin 16)

+6.0 ~ +11

V

CS (pin 18)

0 ~ +11

V

V

Receive Signal(pin 27)

0 ~ 250

mVrms

Microphone Signal(pin 9)

0 ~ 5.0

mVrms

Speaker Amplifier Ground (pin 14)

-10 ~ +10

mVdc

0 ~ 3.0

mA

Ambient Temperature

-20 ~ +60

C



TEMPERATURE CHARACTERISTICS (-20 ~+60C)

PARAMETER

PIN

TYP CHANGE

UNIT

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

16

-0.2

%/

C

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

16

-0.4

%/

C

20

+0.1

%/

C

Attenuator Gain ( Max and Min Setting )

±0.003

dB/

C

Delta RXO,TXO Voltage

4,26

±0.24

%/

C

Speaker AMP Gain

15,19

±0.001

dB/

C

Microphone AMP Gain

9,10

±0.4

dB/

C

Microphone Amp Input Resistance

9

+0.4

%/

C

Tx-Rx Switching Threshold (20

A)

5,7

±0.2

nA/

C



ELECTRICAL CHARACTERISTICS (Referred to Fig.1)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY VOLTAGES

V+=7.5V

4.9

5.4

5.9

Vdc

Line Regulation

6.5V<V+<11V

65

150

mV

Dropout Voltage

V+=5.0V

80

300

mV

V+=7.5V

2.5

2.9

3.3

Vdc

V+ Supply Current

V+=11V, Pin 18=0.7V

9.0

mA

V+=11V, Pin 18=1.6V

800

μA

Output Resistance

6.0

20

Ω

Output Resistance

250

Ω

ATTENUATORS

Receive Attenuator Gain

(1.0kHz)

2.0

6.0

10

dB

Pin 27 = 250Mvrms

40

44

48

dB

Range (Rx to Tx Modes)

Idle Mode, Pin 27= 250mVrms

-20

-16

-12

dB