TEA1098UH datasheet(5/40 Pages) PHILIPS

Part #	TEA1098UH

Description	Speech and handsfree IC

Download	40 Pages

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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5 / 40 page

1999 Oct 14

5

Philips Semiconductors

Product speciﬁcation

Speech and handsfree IC

TEA1098

PINNING

SYMBOL

PAD

DESCRIPTION

TEA1098TV

TEA1098H

TEA1098UH

PD

1

38

41

power-down input (active LOW)

MUTE

2

39

42

logic input (active LOW)

n.c.

3

40

43

not connected

n.c.

4

41

44

not connected

n.c.

−

42

45

not connected

n.c.

−

43

46

not connected

n.c.

−

44

47

not connected

HFRX

5

1

receive input for loudspeaker ampliﬁer

TNOI

6

2

transmit noise envelope timing adjustment

TENV

7

3

transmit signal envelope timing adjustment

TSEN

8

4

transmit signal envelope sensitivity adjustment

RNOI

9

5

receive noise envelope timing adjustment

RSEN

10

6

receive signal envelope sensitivity adjustment

RENV

11

7

receive signal envelope timing adjustment

DLC

12

8

dynamic limiter capacitor for the loudspeaker ampliﬁer

n.c.

−

9

9 and 13

not connected

VBB

13

10

stabilized supply for internal circuitry

GALS

14

11

loudspeaker ampliﬁer gain adjustment

LSAO

15

12

loudspeaker ampliﬁer output

GND

16

13

14 and 15

ground reference

SLPE

17

14

16

line current sense

LN

18

15

17

positive line terminal

REG

19

16

18

line voltage regulator decoupling

IR

20

17

19

receive ampliﬁer input

AGC

21

18

20

automatic gain control/line loss compensation

VDD

22

19

21

3.35 V regulated voltage supply for microcontrollers

MICS

23

20

22

microphone supply

STAB

24

21

23

reference current adjustment

SWR

25

22

24

switching range adjustment

VOL

26

23

25

loudspeaker volume adjustment

SWT

27

24

26

switch-over timing adjustment

IDT

28

25

27

Idle mode timing adjustment

TXOUT

29

26

28

HF microphone ampliﬁer output

GATX

30

27

29

HF microphone ampliﬁer gain adjustment

TXIN

31

28

30

HF microphone ampliﬁer input

GNDTX

32

29

31 to 32

ground reference for microphone ampliﬁers

MIC

−

33

30

33

negative HS microphone ampliﬁer input

MIC+

34

31

34

positive HS microphone ampliﬁer input

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TEA1098UH Datasheet(PDF) 5 Page - NXP Semiconductors

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