tea1097h NXP Semiconductors, tea1097h Datasheet - Page 15

• Manufacturer Part Number: tea1097h
• Description: Speech And Loudspeaker Amplifier Ic With Auxiliary Inputs/outputs And Analog Multiplexer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Logic inputs
Table 1 Selection of transmit and receive channels for 12 different application modes
1999 Apr 08
Speech and loudspeaker amplifier IC with
auxiliary inputs/outputs and analog multiplexer
PD
0
0
1
1
1
1
1
1
1
1
1
1
1
HFC
X
X
0
0
0
0
1
1
1
1
1
1
1
LOGIC INPUTS
MUTT
X
X
0
0
1
1
0
0
0
1
0
1
1
MUTR
X
X
0
1
1
0
1
0
0
0
1
1
0
AUXC
1
0
0
0
0
1
1
1
0
1
0
0
0
HFRX to LSAO
DTMF to LN; DTMF to RECO;
QR and MICS are active
MIC to AUXO; RAUX to RECO;
QR and MICS are active
MIC to LN; IR to RECO;
IR to AUXO; MIC to TXOUT; QR and
MICS are active
TXAUX to LN and IR to AUXO
RAUX to RECO and HFRX to LSAO listening on the loudspeaker
TXAUX to LN; IR to AUXO;
RAUX to RECO; HFRX to LSAO
DTMF to LN; DTMF to RECO;
HFRX to LSAO; QR and MICS are
active
TXAUX to LN; IR to AUXO;
IR to RECO and HFRX to LSAO
TXIN to TXOUT; HFTX to AUXO;
RAUX to RECO; HFRX to LSAO
and MICS is active
TXIN to TXOUT; TXAUX to LN;
IR to RECO; IR to AUXO;
HFRX to LSAO; MICS is active
MIC to LN; IR to RECO;
IR to AUXO; HFRX to LSAO;
MIC to TXOUT; QR and MICS are
active
15
FEATURES
ringer mode
flash, DC dialling
DTMF dialling in handset
cordless intercom with
corded handset
handset conversation
conversation using auxiliary
I/O; cordless: digital
handsfree in mobile
answering machine: play and
record messages; listen the
recorded message on the
loudspeaker
DTMF dialling in handsfree
or group listening modes
answering machine: play and
record messages while
listening in the loudspeaker
cordless intercom with base
digital handsfree
conversation
handset conversation with
group-listening
APPLICATION EXAMPLES
Product specification
TEA1097