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(yè)數(shù)： 26/83頁(yè)
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
32 of 83
NXP Semiconductors
TDA8295
Digital global standard low IF demodulator for analog TV and FM radio
9.3.8 Digital IF AGC functions
Table 26.
D_IF_AGC_SET_1 register (address 12h) bit description
Legend: * = default value.
Bit
Symbol
Access Value
Description
7
D_IF_AGC_CORR
R/W
This determines the condition under which the
digital IF AGC switches to Correlated mode. If
D_IF_AGC_CORR is HIGH, the digital IF AGC
works in a Correlated mode only if N_H_LOCK,
F_H_LOCK and V_LOCK are active (see
H/V PLL read-out in Table 44). If LOW, the
Correlated mode is activated when N_H_LOCK
and V_LOCK are active.
0
H-lock + V-lock
1*
H-lock + fast H-lock + V-lock
6
D_IF_AGC_MODE
R/W
If HIGH, the digital IF AGC detection and gating
is done during the back porch of the video
signal. This Detection mode can be used for all
standards (also L/L-accent standard) without
impact on the IF AGC loop speed.
0*
peak sync AGC (slow peak white L/L-accent
standard)
1
black level AGC detection
5 to 1 D_IF_AGC_AVG[4:0] R/W
With D_IF_AGC_AVG the number of lines for
averaging during the digital IF AGC gating
window is set. This is only valid if the AGC mode
is correlated (H/V PLL locked). With the
averaging, the line noise at low RF levels is
reduced.
0 0001
2 samples
0 0010
4 samples
0 0100
8 samples
0 1000
16 samples
1 0000*
32 samples
0
RST_INT
R/W
The digital IF AGC integrator can be set to zero
(i.e. lowest digital IF AGC gain). This option can
be used for debugging purposes.
0*
normal operation
1
reset IF AGC integrator
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
TDA8296HN 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
TDA8296HN/C1,518 功能描述:調(diào)節(jié)器/解調(diào)器 DIGITAL GLOBAL IF DEMODULATOR RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel
TDA8296HN/C1,551 功能描述:調(diào)節(jié)器/解調(diào)器 DIGITAL GLOBAL IF DEMODULATOR RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel
TDA8296HN/C1,557 功能描述:調(diào)節(jié)器/解調(diào)器 DIGITAL GLOBAL IF DEMODULATOR RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel
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