AN6425 datasheet(2/8 Pages) PANASONIC

Part #	AN6425

Description	Speech Network Circuit

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Manufacturer	PANASONIC [Panasonic Semiconductor]

Direct Link	http://www.panasonic.com/industrial/

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VL

IL

PD

Topr

Tstg

Supply voltage

Supply current

Power dissipation

Operating ambient temperature

Storage temperature

V

mA

mW

˚C

Parameter

Symbol

Rating

Unit

s Absolute Maximum Ratings (Ta=25˚C)

14.4 *

120 *

1200 *

–20 to + 65

–55 to +150

* VCC

× ICC <1200mW

Parameter

Symbol

Range

s Recommended Operating Range (Ta=25˚C)

Operating supply voltage range

VL

3 to 12V

Parameter

Symbol

Condition

min

typ

max

s Electrical Characteristics (Ta=25˚C)

GV

(REC)

Open between the Pins19 and 20. Measure the

output between the Pins22 and 23 when a sign-

al (–55dBm) is input to the Pin18.

Receiver distortion factor

THD

(REC)

%

1

Open between the Pins19 and 20. Measure the out-

put distortion factor between the Pins 22 and 23

when a signal

(–55dBm) is input to the Pin18.

Receiver maximum output voltage

VO

(REC)

dBm

+3

D Automatic pad

AP

(REC)

dB

Input a signal (–45dBm) to the Pin18 and mea-

sure an output change between the Pins22 and

23 when IL changes from 80mA to 30mA.

MUTE

(REC)

Input a signal (–45dBm) to the Pin18 and

measure an output change between the Pins

22 and 23 when the Pin12 changes from no

microphone input signal to –40dBm.

dB

Input a signal (–45dBm) to the Pin18 and

measure an output change between the Pins

22 and 23 when the Pin12 is set from H to L.

Receiver D digital VR

DVR

dBm

–50

Measure the output between the Pins22 and

23 when there is no signal at the Pin18.

–3

Receiver noise output

Vno

(REC)

dB

42.5

Open bitween the Pins3 and 6. Measure

the output between the Pins28 and 1 when

a signal (–45dBm) is input to the Pin12.

Transmitter gain

GV

(SEND)

%

Transmitter distortion factor

THD

(SEND)

dBm

5

Open between the Pins3 and 6. Measure the

output distortion factor between the Pins28 and 1

when a signal

(–45dBm) is input to the Pin12.

Transmitter maximum transmission level

VO

(SEND)

dB

–3

–1.5

–60

29.5

45

5

–1.5

5

8

–45

–6

2

40

Receiver gain

53

dB

50.5

48

0

–6

D Receiver noise prevention

dB

–5

–3

–7

4

Transmitter D automatic pad

AP

(SEND)

Input a signal (–35dBm) to the Pin12 and

measure an output change between the Pins

28 and 1 when IL changes from 80mA.

dBm

–65

Measure the output between the Pins28 and

1 when there is no signal at the Pin18.

Transmitter noise prevention

Vno

(SEND)

dB

26.5

HOLD TONE gain

GV

(HOLD)

dB

41.5

Ground the Pin24. Input a signal

(–30dBm) to the Pin17 and measure the

output change between the Pins 28 and 1.

TOUCH TONE gain

GV

(TOUCH)

%

1

Ground a signal (–45dBm) to

the Pin16 and measure the out-

put between the Pins28 and 1.

3

44

6

1.5

39

23.5

TOUCH TONE distortion factor

THD

(TOUCH)

Ground the Pin14. Input a signal (–45dBm)

to the Pin16 and measure the output distor-

tion factor between the Pins 28 and 1.

Unit

Input a signal to the Pin18 and measure

the output between the Pins22 and 23 at

an output distortion factor of 5%.

Input a signal to the Pin12 and measure

the output between the Pins28 and 1 at

an output distortion factor of 5%.

* IL=30mA and Freq=1kHz unless otherwise specified.

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