參數(shù)資料
型號(hào): TDA8295HN/C2
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: AM/FM, AUDIO/VIDEO DEMODULATOR, PQCC40
封裝: 6 X 6 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT618-1, HVQFN-40
文件頁數(shù): 29/83頁
文件大?。?/td> 3440K
代理商: TDA8295HN/C2
TDA8295_C2_2
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 27 November 2009
35 of 83
NXP Semiconductors
TDA8295
Digital global standard low IF demodulator for analog TV and FM radio
9.3.10 V-sync adjustment
Table 32.
T_IF_AGC_FS register (address 18h) bit description
Legend: * = default value.
Bit
Symbol
Access Value
Description
7 to 3 -
R/W
-
not used
2 to 0 T_IF_AGC_FS[2:0]
R/W
by increasing the IF AGC noise shaper sampling
rate (fs), the noise shaper in-band disturbance
(line clamping noise) can be heavily reduced
000
fs = 13.5 MHz
010*
fs = 27 MHz
100
fs = 54 MHz
Table 33.
V_SYNC_DEL register (address 1Ch) bit description
Legend: * = default value.
Bit
Symbol
Access Value
Description
7 and 6 VS_WIDTH[1:0] R/W
VS_WIDTH determines the width (in horizontal
lines) of the V-sync gating pulse (needed for gating
of tuner RF AGC2)
00
width 1 line (64
μs)
01*
width 2 lines
10
width 4 lines
11
width 16 lines
5
VS_POL
R/W
VS_POL determines the polarity of the V-sync
pulse: if VS_POL = 1, the first edge of the pulse is
positive, else negative.
0
first edge negative
1*
first edge positive
4 to 0
VS_DEL[4:0]
R/W
VS_DEL determines the first edge position of the
output V-sync pulse compared to the beginning of
the vertical blanking interval:
0Fh*
first edge 3 lines after beginning of vertical
interval
pulse_position
VS_DEL
12
() lines
=
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TDA8296 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital global standard low IF demodulator for analog TV and FM radio
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