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TEA1099

Speech and handsfree IC with auxiliary inputs/outputs and analog multiplexer

Philips Electronics 

Philips Semiconductors

Speech and handsfree IC with auxiliary

inputs/outputs and analog multiplexer

Product specification

TEA1099H

PINNING

SYMBOL PIN

DESCRIPTION

HFRX

1 receive input for loudspeaker

amplifier or auxiliary receive

amplifier

TNOI

2 transmit noise envelope timing

adjustment

TENV

3 transmit signal envelope timing

adjustment

TSEN

4 transmit signal envelope sensitivity

adjustment

RNOI

5 receive noise envelope timing

adjustment

RSEN

6 receive signal envelope sensitivity

adjustment

RENV

7 receive signal envelope timing

adjustment

DLC

8 dynamic limiter capacitor for the

loudspeaker amplifier

ESI

9 external supply input

VBB

10 stabilized supply for internal

circuitry

GALS

11 loudspeaker amplifier gain

adjustment

LSAO

12 loudspeaker amplifier output

GND

13 ground reference

SLPE

14 line current sense

LN

15 positive line terminal

REG

16 line voltage regulator decoupling

IR

17 receive amplifier input

AGC

18 automatic gain control/line loss

compensation

VDD

19 3.35 V regulated voltage supply for

the microcontroller

SYMBOL

MICS

STAB

SWR

VOL

SWT

IDT

TXOUT

GATX

TXIN

GNDTX

MIC−

MIC+

DTMF

QR

GARX

RECO

HFTX

HFC

PD

MUTT

MUTR

AUXC

RAUX

TXAUX

AUXO

PIN

DESCRIPTION

20 microphone supply output

21 reference current adjustment

22 switching range adjustment

23 loudspeaker volume adjustment

24 switch-over timing adjustment

25 Idle mode timing adjustment

26 HF microphone amplifier output

27 HF microphone amplifier gain

adjustment

28 HF microphone amplifier input

29 ground reference for microphone

amplifiers

30 negative HS microphone amplifier

input

31 positive HS microphone amplifier

input

32 dual tone multi-frequency input

33 earpiece amplifier output

34 earpiece amplifier gain adjustment

35 receive amplifier output

36 transmit input for line amplifier or

auxiliary receive amplifier

37 logic input

38 power-down input (active LOW)

39 logic input (active LOW)

40 logic input (active LOW)

41 logic input

42 auxiliary receive amplifier input

43 auxiliary transmit amplifier input

44 auxiliary amplifier output

1999 Apr 08

5

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