PNX3000 데이터 시트보기 (PDF) - Philips Electronics
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PNX3000 Datasheet PDF : 51 Pages
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Philips Semiconductors
Analog front end for digital video
processors
Preliminary specification
PNX3000
SYMBOL
L3
R2
L2
R1
L1
GND(2ASW)
VCC(2ASW)
VAADCREF
VAADCN
VAADCP
MIC2N
MIC2P
MIC1N
MIC1P
FUSE
GND(1ASW)
VCC(1ASW)
SIFINP
SIFINN
SIFAGC
DTVIFAGC
DTVIFINP
DTVIFINN
TUNERAGC
FUSE
VIFINP
VIFINN
DTVIFPLL
VCC(IF)
VIFPLL
GND(1IF)
2NDSIFEXT
2NDSIFAGC
GND(2IF)
DTVOUTP
DTVOUTN
VCC(SUP)
FUSE
CVBSOUTIF
GND(SUP)
VCC(1VSW)
2004 Oct 04
PIN
DESCRIPTION
82
left input audio 3
83
right input audio 2
84
left input audio 2
85
right input audio 1
86
left input audio 1
87
ground 2 audio switch
88
supply voltage 2 audio switch (audio output buffers; 5 or 8 V)
89
decoupling of reference voltage for audio ADCs
90
0 V reference voltage for audio ADCs (GND)
91
full scale reference voltage for audio ADCs (5 V)
92
microphone input 2, negative
93
microphone input 2, positive
94
microphone input 1, negative
95
microphone input 1, positive
96
fused lead
97
ground 1 audio switch
98
supply voltage 1 audio switch (audio input buffers; 5 or 8 V)
99
sound IF input, positive
100
sound IF input, negative
101
control voltage for sound IF AGC
102
control voltage for DTV IF AGC
103
DTV IF input, positive
104
DTV IF input, negative
105
tuner AGC output
106
fused lead
107
vision IF input, positive
108
vision IF input, negative
109
output loop filter DTV IF PLL demodulator
110
supply voltage IF circuit (5 V)
111
output loop filter VIF PLL demodulator
112
ground 1 IF circuit
113
second sound IF input
114
second sound IF AGC capacitor
115
ground 2 IF circuit
116
DTV output, positive
117
DTV output, negative
118
supply voltage of supply circuit (5 V)
119
fused lead
120
CVBS output of IF circuit
121
ground of supply circuit
122
supply voltage 1 of video switch (5 V)
8
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