TEA1098H/C2 Просмотр технического описания (PDF) - Philips Electronics
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Компоненты Описание
производитель
TEA1098H/C2 Datasheet PDF : 40 Pages
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Philips Semiconductors
Speech and handsfree IC
Product specification
TEA1098
PINNING
SYMBOL
PD
MUTE
n.c.
n.c.
n.c.
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
VOL
SWT
IDT
TXOUT
GATX
TXIN
GNDTX
MIC−
MIC+
PIN
TEA1098TV TEA1098H
1
38
2
39
3
40
4
41
−
42
−
43
−
44
5
1
6
2
7
3
8
4
9
5
10
6
11
7
12
8
−
9
13
10
14
11
15
12
16
13
17
14
18
15
19
16
20
17
21
18
22
19
23
20
24
21
25
22
26
23
27
24
28
25
29
26
30
27
31
28
32
29
33
30
34
31
PAD
TEA1098UH
DESCRIPTION
41
power-down input (active LOW)
42
logic input (active LOW)
43
not connected
44
not connected
45
not connected
46
not connected
47
not connected
1
receive input for loudspeaker amplifier
2
transmit noise envelope timing adjustment
3
transmit signal envelope timing adjustment
4
transmit signal envelope sensitivity adjustment
5
receive noise envelope timing adjustment
6
receive signal envelope sensitivity adjustment
7
receive signal envelope timing adjustment
8
dynamic limiter capacitor for the loudspeaker amplifier
9 and 13 not connected
10
stabilized supply for internal circuitry
11
loudspeaker amplifier gain adjustment
12
loudspeaker amplifier output
14 and 15 ground reference
16
line current sense
17
positive line terminal
18
line voltage regulator decoupling
19
receive amplifier input
20
automatic gain control/line loss compensation
21
3.35 V regulated voltage supply for microcontrollers
22
microphone supply
23
reference current adjustment
24
switching range adjustment
25
loudspeaker volume adjustment
26
switch-over timing adjustment
27
Idle mode timing adjustment
28
HF microphone amplifier output
29
HF microphone amplifier gain adjustment
30
HF microphone amplifier input
31 to 32 ground reference for microphone amplifiers
33
negative HS microphone amplifier input
34
positive HS microphone amplifier input
1999 Oct 14
5
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