L6726

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 13

www.unisonic.com.tw

QW-R108-015.D



ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

0~22

V

Line Current, Continuous

0~130

mA

Operating Temperature

-40~+70

C

Storage Temperature

-55~+125

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.



PARAMETER

FIG.

TEST CONDITIONS

MIN

TYP

MAX UNIT

Line Voltage

1

3.3

3.7

4.1

V

11

13

15

Transmitting Gain, Note 1

1

1kHz

41

43

45

dB

43.5

45.5

47.5

46

48

50

Transmitting Range Of Regulation

1

3

5

7

dB

Transmitting Frequency Response

1

200Hz ~ 3.4kHz

-1

1

dB

Receiving Gain, Note 1

1

1kHz

-18.5

-16.5

-14.5

dB

-16

-14

-12

-13.5

-11.5

-9.5

Receiving Range Of Regulation

1

3

5

7

dB

Receiving frequency response

1

200Hz ~ 3.4kHz

-1

1

dB

Microphone Input Impedance

Pin12,13

1

1kHz, note 3

1.7(//2.7)

kΩ

Transmitter Input Impedance Pin 3

1

1kHz

17

kΩ

Transmitter Dynamic Output

1

200Hz~3.4kHz,

1.5

Vp

Transmitter Max Output

1

3

Vp

Receiver Output Impedance

1

1kHz, note 3

3(+310)

Ω

Receiver Dynamic Output (Note 2)

1

200Hz~3.4kHz

0.5

Vp

Receiver Max Output

2

Measured with line rectifier

0.9

Vp

Transmitter Output Noise

1

-75

Receiver Output Noise

1

φ=0.5mm, 0~3km, φ=0.3mm

-85

dBA

Mute Input Voltage at Mute

(Active Low)

1

0.3

V

DC-Supply Voltage

1

2.35

V

2.2

DC-Supply Current, Pin8

1

2

mA

Dc-Output Pin8 Input Leakage

Current (No Supply)

3

0.1

μA

DTMF Transmitting Gain

1

24.5

26.5

28.5

dB

Notes: 1. Adjustable to both higher and lower values with external components.

2. The dynamic output can be doubled, see applications information.

3. External resistor in the test set up.