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PDF TEA1093 Data sheet ( Hoja de datos )
| Número de pieza | TEA1093 | |
| Descripción | Hands-free IC | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
TEA1093
Hands-free IC
Product specification
Supersedes data of 1995 May 18
File under Integrated Circuits, IC03
1996 Feb 09
1 page  
Philips Semiconductors
Hands-free IC
Product specification
TEA1093
PINNING
SYMBOL PIN
DESCRIPTION
DLC/MUTER 1 dynamic limiter timing adjustment,
receiver channel mute input
RIN1
2 receiver amplifier input 1
RIN2
3 receiver amplifier input 2
LSP2
4 loudspeaker amplifier output 2
GAR
5 receiver gain adjustment
LSP1
6 loudspeaker amplifier output 1
SREF
7 supply reference input
GND
8 ground reference
SUP
9 supply input
VBB
VOL
10 stabilized supply output
11 receiver volume adjustment
SWR
12 switching range adjustment
STAB
13 reference current adjustment
SWT
14 switch-over timing adjustment
VA 15 VBB voltage adjustment
IDT 16 idle mode timing adjustment
PD 17 power-down input
MICGND
18 ground reference for the
microphone amplifier
MUTET
19 transmit channel mute input
MOUT
20 microphone amplifier output
GAT 21 microphone gain adjustment
MIC 22 microphone input
RNOI
23 receive noise envelope timing
adjustment
RENV
24 receive signal envelope timing
adjustment
RSEN
25 receive signal envelope sensitivity
adjustment
TNOI
26 transmit noise envelope timing
adjustment
TENV
27 transmit signal envelope timing
adjustment
TSEN
28 transmit signal envelope
sensitivity adjustment
handbook, halfpage
DLC/MUTER 1
28 TSEN
RIN1 2
27 TENV
RIN2 3
26 TNOI
LSP2 4
25 RSEN
GAR 5
24 RENV
LSP1 6
23 RNOI
SREF 7
GND 8
22 MIC
TEA1093
21 GAT
SUP 9
20 MOUT
VBB 10
VOL 11
19 MUTET
18 MICGND
SWR 12
17 PD
STAB 13
16 IDT
SWT 14
15 VA
MGD217
Fig.2 Pin configuration.
1996 Feb 09
5
5 Page 
Philips Semiconductors
Hands-free IC
Product specification
TEA1093
handbook, full pagewidth
INPUT SIGNAL
4 mV (RMS)
1 mV (RMS)
MBG354
SIGNAL ENVELOPE
A: 85 dB/ms
B: 0.7 dB/ms
A 36 mV
B
AB
NOISE ENVELOPE
B: 0.7 dB/ms
C: 0.07 dB/ms
C
36 mV
B
C
Fig.9 Signal and noise envelope waveforms.
B
time
g
27
(23) TENV
TNOI
26
(22)
13 mV
ATTENUATOR
24
(20) RENV
RNOI
23
(19)
13 mV
19
(15) MUTET
Vdt
from dynamic
limiter
(1) When MUTET = HIGH, +10 µA is forced.
When DLC/MUTER < 0.2 V, −10 µA is forced.
DUPLEX CONTROLLER
LOGIC(1)
16
IDT (12)
Vref
RIDT
14
SWT (11)
X X 1 1 − 10 µA
X 1 0 X + 10 µA
1 X 0 X + 10 µA
XX1 0
0
0 00X
0
CSWT
Fig.10 Decision logic.
MGD224
1996 Feb 09
11
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet TEA1093.PDF ] | |
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