TDA8044 Просмотр технического описания (PDF) - Philips Electronics
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TDA8044 Datasheet PDF : 20 Pages
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Philips Semiconductors
Satellite demodulator and decoder
SYMBOL
PIN
I/O
DESCRIPTION
Vref(I)
VDDA
VDDXTAL
XTALI
82
O AGC decoupling - I path
83
−
analog supply voltage
84
−
supply voltage for crystal oscillator
85
I
crystal oscillator input
XTALO
VSSXTAL
VDDD12
VDDD13
VSSD14
D22
86
O crystal oscillator output
87
−
ground for crystal oscillator
88
−
digital supply voltage 12
89
−
digital supply voltage 13
90
−
digital ground 14
91
O 22 kHz output for dish control applications
VSSD15
VSSD16
VAGC
VSSD(test)
VDDD14
VDDD15
OUSTD
92
−
digital ground 15
93
−
digital ground 16
94
O AGC output voltage
95
−
test pin, normally connected to ground
96
−
digital supply voltage 14
97
−
digital supply voltage 15
98
O general purpose sigma-delta output
I0
99
I
digital I-input bit 0 (ADC bypass: LSB)
I1
100
I
digital I-input bit 1 (ADC bypass)
Product specification
TDA8044
2000 Feb 21
7
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