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TEA1098A View Datasheet(PDF) - Philips Electronics

Part Name
Description
Manufacturer
TEA1098A
Philips
Philips Electronics Philips
TEA1098A Datasheet PDF : 40 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Philips Semiconductors
Speech and handsfree IC
Product specification
TEA1098A
PINNING
SYMBOL
PD
MUTE
BPC
EVCI
LVCI
HFRX
TNOI
TENV
TSEN
RNOI
RSEN
RENV
DLC
VBB
GALS
LSAO
n.c.
GND
SLPE
LN
REG
IR
AGC
VDD
MICS
STAB
SWR
n.c.
SWT
IDT
TXO
GATX
TXI
GNDTX
MIC
MIC+
DTMF
EARO
PIN
PAD
TEA1098ATV TEA1098AUH
DESCRIPTION
1
40
power-down input (active LOW)
2
41
logic input (active LOW)
3
42
logic input (active LOW)
4
43
logic input for digital volume control (earpiece and loudspeaker LSB)
5
44
logic input for digital volume control (loudspeaker MSB)
6
1
receive input for loudspeaker amplifier
7
2
transmit noise envelope timing adjustment
8
3
transmit signal envelope timing adjustment
9
4
transmit signal envelope sensitivity adjustment
10
5
receive noise envelope timing adjustment
11
6
receive signal envelope sensitivity adjustment
12
7
receive signal envelope timing adjustment
13
8
dynamic limiter capacitor for the loudspeaker amplifier
14
9
stabilized supply for internal circuitry
15
10
loudspeaker amplifier gain adjustment
16
11
loudspeaker amplifier output
12
not connected
17
13
ground reference
18
14 and 15 line current sense
19
16
positive line terminal
20
17
line voltage regulator decoupling
21
18
receive amplifier input
22
19
automatic gain control/line loss compensation
23
20
3.35 V regulated voltage supply for microcontrollers
24
21
microphone supply
25
22
reference current adjustment
26
23
switching range adjustment
24
not connected
27
25
switch-over timing adjustment
28
26
Idle mode timing adjustment
29
27
handsfree microphone amplifier output
30
28
handsfree microphone amplifier gain adjustment
31
29
handsfree microphone amplifier input
32
30 and 31 ground reference for microphone amplifiers
33
32
negative handset microphone amplifier input
34
33
positive handset microphone amplifier input
35
34
dual tone multi-frequency input
36
35
earpiece amplifier output
2000 Aug 18
5
 

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