TEA1085A datasheet(5/32 Pages) PHILIPS

номер детали	TEA1085A

подробное описание детали	Listening-in circuit for line-powered telephone sets

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производитель	PHILIPS [NXP Semiconductors]

домашняя страница	http://www.nxp.com

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5 / 32 page

March 1992

5

Philips Semiconductors

Preliminary speciﬁcation

Listening-in circuit for line-powered

telephone sets

TEA1085; TEA1085A

PIN CONFIGURATION

SYMBOL PIN

DESCRIPTION

VSS

1

negative supply

SUP

2

positive supply

SDC

3

supply ampliﬁer decoupling

SREF

4

supply reference input

LSI1

5

loudspeaker ampliﬁer input 1

LSI2

6

loudspeaker ampliﬁer input 2

GSC2

7

logic input 2 for gain select

GSC1

8

logic input 1 for gain select

LAI

−

9

Larsen limiter preampliﬁer inverting

input

LAI

+

10

Larsen limiter preampliﬁer

non-inverting input

QLA

11

Larsen limiter preampliﬁer output

LLC

12

Larsen limiter capacitor

THL2

13

Larsen limiter residual threshold level

THL1

14

Larsen limiter attack delay threshold

level

DTI

15

Larsen limiter detector input

DCA

16

Larsen limiter detector current

adjustment

SIC

17

Larsen limiter current stabilizer

VA

18

VBB voltage adjustment

PD

19

power-down input

MUTE

20

MUTE input

QLS1

21

loudspeaker ampliﬁer output 1

QLS2

22

loudspeaker ampliﬁer output 2

DLC

23

dynamic limiter capacitor

VBB

24

stabilized supply decoupling

Fig.2 Pin configuration.

handbook, halfpage

VSS

SUP

SDC

SREF

LSI1

LSI2

GSC2

GSC1

LAI

−

LAI

+

QLA

LLC

VBB

DLC

QLS2

QLS1

PD

VA

MUTE

SIC

DCA

DTI

THL1

THL2

1

2

3

4

5

6

7

8

9

10

11

12

24

23

22

21

20

19

18

17

16

15

14

13

TEA1085

TEA1085A

MLA415

Аналогичный номер детали - TEA1085A

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NXP Semiconductors	TEA1081	77Kb / 16P	Supply circuit with power-down for telephone set peripherals September 1994
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	TEA1083	139Kb / 20P	Call progress monitor for line powered telephone sets March 1994
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Аналогичное описание - TEA1085A

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TEA1085A датащи(PDF) 5 Page - NXP Semiconductors

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Аналогичный номер детали - TEA1085A

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