TEA1097 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TEA1097
Philips Electronics
TEA1097 Datasheet PDF : 36 Pages
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Philips Semiconductors
Speech and loudspeaker amplifier IC with
auxiliary inputs/outputs and analog multiplexer
Product specification
TEA1097
PINNING
SYMBOL
MUTT
MUTR
AUXC
RAUX
TXAUX
AUXO
HFRX
n.c.
DLC
ESI
VBB
GALS
LSAO
GND
SLPE
LN
REG
IR
AGC
VDD
MICS
STAB
VOL
TXOUT
GATX
TXIN
GNDTX
MIC−
MIC+
DTMF
QR
GARX
RECO
HFTX
HFC
PD
PIN
VSO40
QFP44
1
2
3
4
5
6
7
8 to 10,
15 and 26
11
12
13
14
16
17
18
19
20
21
22
23
24
25
27
28
29
30
31
32
33
34
35
36
37
38
39
40
39
40
41
42
43
44
1
2 to 7, 22,
24 and 25
8
9
10
11
12
13
14
15
16
17
18
19
20
21
23
26
27
28
29
30
31
32
33
34
35
36
37
38
DESCRIPTION
logic input (active LOW)
logic input (active LOW)
logic input
auxiliary receive amplifier input
auxiliary transmit amplifier input
auxiliary amplifier output
receive input for loudspeaker amplifier
not connected
dynamic limiter capacitor for the loudspeaker amplifier
external supply input
stabilized supply for internal circuitry
loudspeaker amplifier gain adjustment
loudspeaker amplifier output
ground reference
line current sense
positive line terminal
line voltage regulator decoupling
receive amplifier input
automatic gain control/line loss compensation
3.35 V regulated voltage supply for microcontroller
microphone supply output
reference current adjustment
loudspeaker volume adjustment
base microphone amplifier output
base microphone amplifier gain adjustment
base microphone amplifier input
ground reference for microphone amplifiers
negative handset microphone amplifier input
positive handset microphone amplifier input
dual tone multi-frequency input
earpiece amplifier output
earpiece amplifier gain adjustment
receive amplifier output
transmit input for auxiliary receive amplifier
logic input
power-down input (active LOW)
1999 Apr 08
5
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