TEA1098AH 데이터 시트보기 (PDF) - Philips Electronics
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TEA1098AH Datasheet PDF : 40 Pages
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Philips Semiconductors
Speech and handsfree IC
Preliminary specification
TEA1098A
PINNING
SYMBOL
PD
MUTE
BPC
EVCI
LVCI
n.c.
n.c.
HFRX
TNOI
TENV
TSEN
RNOI
RSEN
RENV
DLC
n.c.
VBB
GALS
LSAO
GND
SLPE
LN
REG
IR
AGC
VDD
MICS
STAB
SWR
n.c.
SWT
IDT
TXO
GATX
TXI
GNDTX
MIC−
MIC+
PIN
TEA1098ATV TEA1098AH
1
38
2
39
3
40
4
41
5
42
−
43
−
44
6
1
7
2
8
3
9
4
10
5
11
6
12
7
13
8
−
9
14
10
15
11
16
12
17
13
18
14
19
15
20
16
21
17
22
18
23
19
24
20
25
21
26
22
−
23
27
24
28
25
29
26
30
27
31
28
32
29
33
30
34
31
DESCRIPTION
power-down input (active LOW)
logic input (active LOW)
logic input (active LOW)
logic input for digital volume control (earpiece and loudspeaker LSB)
logic input for digital volume control (loudspeaker MSB)
not connected
not connected
receive input for loudspeaker amplifier
transmit noise envelope timing adjustment
transmit signal envelope timing adjustment
transmit signal envelope sensitivity adjustment
receive noise envelope timing adjustment
receive signal envelope sensitivity adjustment
receive signal envelope timing adjustment
dynamic limiter capacitor for the loudspeaker amplifier
not connected
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 microcontrollers
microphone supply
reference current adjustment
switching range adjustment
not connected
switch-over timing adjustment
Idle mode timing adjustment
handsfree microphone amplifier output
handsfree microphone amplifier gain adjustment
handsfree microphone amplifier input
ground reference for microphone amplifiers
negative handset microphone amplifier input
positive handset microphone amplifier input
2000 Mar 21
5
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