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SA5752 Folha de dados(PDF) 3 Page - NXP Semiconductors

Nome de Peças SA5752
Descrição Electrónicos  Audio processor - companding, VOX and amplifier section
PDF  13 Pages
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Fabricante Electrônico  PHILIPS [NXP Semiconductors]
Página de início  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

SA5752 Folha de dados(HTML) 3 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
SA5752
Audio processor – companding, VOX and amplifier section
1997 Nov 07
3
PIN DESCRIPTIONS
PIN NO.
SYMBOL
DESCRIPTION
1
MICIN
Microphone input
2
PREAMPGRES
Preamplifier gain resistor
3
RECTGRES
Rectifier gain resistor
4
NCANCAP
Noise cancellation timing capacitor
5
VOXOUT
Voice operated transmission output
6
VOXTR
Voice operated transmission threshold resistor
7
GND
Ground
8
VREF
Reference voltage
9
VCC
Positive supply
10
EXPCAP
Expandor timing capacitor
11
EXPOUT
Expandor output
12
EXPIN
Expandor input
13
HPDN
Hardware power-down
14
VOXCTL
Voice operated transmission control
15
COMPCAP2
Compressor capacitor 2 DC block
16
COMPOUT
Compressor output
17
COMPCAP1
Compressor timing capacitor 1
18
COMPCAP3
Compressor capacitor 3 DC block
19
COMPIN
Compressor input
20
NCANOUT
Noise cancellation output
BLOCK DIAGRAM
NOISE
COMPANDOR
CANCEL
EXPANDOR
BANDGAP
VOLTAGE REF
VOX
SA5752
BUFFER
PREAMP
12
11
20
19
18
17
16
15
14
13
10
9
8
7
6
5
4
3
2
1
SR00660
Figure 2. Block Diagram



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