TEA1098ATV Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TEA1098ATV Datasheet PDF : 40 Pages
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Philips Semiconductors
Speech and handsfree IC
Product specification
TEA1098A
handbook, full pagewidth
Tx mode
Idle
mode
FCA155
Rx mode
Gvtx, Gvrx
(10 dB/div)
G vtx
+24 dB
+16 dB
+8 dB
Gvtx (min)
Gvrx (max)
−8 dB
−16 dB
−24 dB
G vrx
− 400
−200
0
+200
+ 400
VSWT − VIDT (mV)
Fig.13 Switch-over behaviour.
Logic inputs
The actions of the logic inputs BPC and MUTE, combined with the HFC input are detailed in Table 2.
Table 2 Table of switch management
LOGIC INPUTS
HFC
0
MUTE
0
BPC
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
FEATURES
APPLICATION
DTMF to RECO; RECO to EARO;
MICS is active
DTMF to LN; DTMF to RECO;
RECO to EARO; MICS is active
IR to RECO; RECO to EARO;
MICS is active
MIC to LN; IR to RECO; RECO to
EARO; MICS is active
DTMF to RECO; HFRX to LSAO;
MICS is active
DTMF to LN; DTMF to RECO;
HFRX to LSAO; MICS is active
IR to RECO; HFRX to LSAO;
MICS is active
TXI to TXO; HFTX to LN;
IR to RECO; HFRX to LSAO;
MICS is active
handset beep mode
handset dialling mode
handset secret mode
handset conversation mode
handsfree beep mode
handsfree dialling mode
handsfree secret mode
handsfree conversation mode
2000 Aug 18
17
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