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TEA1097 Datasheet(PDF) 5 Page - NXP Semiconductors

Part No. TEA1097
Description  Speech and loudspeaker amplifier IC with auxiliary inputs/outputs and analog multiplexer
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 5 page
background image
1999 Apr 08
5
Philips Semiconductors
Product specification
Speech and loudspeaker amplifier IC with
auxiliary inputs/outputs and analog multiplexer
TEA1097
PINNING
SYMBOL
PIN
DESCRIPTION
VSO40
QFP44
MUTT
1
39
logic input (active LOW)
MUTR
2
40
logic input (active LOW)
AUXC
3
41
logic input
RAUX
4
42
auxiliary receive amplifier input
TXAUX
5
43
auxiliary transmit amplifier input
AUXO
6
44
auxiliary amplifier output
HFRX
7
1
receive input for loudspeaker amplifier
n.c.
8 to 10,
15 and 26
2 to 7, 22,
24 and 25
not connected
DLC
11
8
dynamic limiter capacitor for the loudspeaker amplifier
ESI
12
9
external supply input
VBB
13
10
stabilized supply for internal circuitry
GALS
14
11
loudspeaker amplifier gain adjustment
LSAO
16
12
loudspeaker amplifier output
GND
17
13
ground reference
SLPE
18
14
line current sense
LN
19
15
positive line terminal
REG
20
16
line voltage regulator decoupling
IR
21
17
receive amplifier input
AGC
22
18
automatic gain control/line loss compensation
VDD
23
19
3.35 V regulated voltage supply for microcontroller
MICS
24
20
microphone supply output
STAB
25
21
reference current adjustment
VOL
27
23
loudspeaker volume adjustment
TXOUT
28
26
base microphone amplifier output
GATX
29
27
base microphone amplifier gain adjustment
TXIN
30
28
base microphone amplifier input
GNDTX
31
29
ground reference for microphone amplifiers
MIC
32
30
negative handset microphone amplifier input
MIC+
33
31
positive handset microphone amplifier input
DTMF
34
32
dual tone multi-frequency input
QR
35
33
earpiece amplifier output
GARX
36
34
earpiece amplifier gain adjustment
RECO
37
35
receive amplifier output
HFTX
38
36
transmit input for auxiliary receive amplifier
HFC
39
37
logic input
PD
40
38
power-down input (active LOW)




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