TDA18271HD 데이터 시트보기 (PDF) - NXP Semiconductors.
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TDA18271HD Datasheet PDF : 70 Pages
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NXP Semiconductors
TDA18271HD
Silicon Tuner IC
Table 3. Pin description …continued
Symbol
Pin
Description
GND
14
ground
STO
15
slave tuner output
VCC
16
3.3 V supply voltage
CAPREGVCO 17
VCO supply decoupling
VCC
18
3.3 V supply voltage
MASTERSYNC 19
synchronization signal for dual tuner applications; leave open for
single tuner applications
CAPFILTVCO
20
VCO reference decoupling
VT_COARSE
21
LO tuning voltage input
VT_FINE
22
LO tuning voltage input
GND
23
ground
CP_LO
24
charge pump of the local synthesizer
GND
25
ground
XTALP
26
crystal oscillator input
XTALN
27
crystal oscillator input
FREEZE
28
synchronization signal for multi tuner applications; leave open
for single tuner applications
XTOUT_MS
29
XTOUT mode and master/slave selection
XTOUTP
30
crystal oscillator output buffer
XTOUTN
31
crystal oscillator output buffer
AS
32
I2C-bus address selection input
VCC
33
3.3 V supply voltage
CP_CAL
34
charge pump of the calibration synthesizer
VT_CAL
35
tuning voltage of the calibration synthesizer
GND
36, 37
ground
SCL
38
I2C-bus clock input
SDA
39
I2C-bus data input/output
CAPREG18
40
internal regulator decoupling
GND
41
ground
CAPREG28
42
internal regulator decoupling
GND
43
ground
VCC
44
3.3 V supply voltage
IFOUTN
45
IF output
IFOUTP
46
IF output
V_IFAGC
47
IF gain control input
GND
48 to 50 ground
VSYNC
51
vertical synchronization input for analog applications; connect to
ground for digital applications
CAPREGFILTRF 52
internal regulator decoupling
GND
53 to 64 ground
GND
exposed die ground
TDA18271HD_4
Product data sheet
Rev. 04 — 19 May 2009
© NXP B.V. 2009. All rights reserved.
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