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參數(shù)資料
| 型號： | 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)： | 71/83頁 |
| 文件大?。?/td> | 3440K |
| 代理商： | TDA8295HN/C2 |
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TDA8295_C2_2
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 27 November 2009
73 of 83
NXP Semiconductors
TDA8295
Digital global standard low IF demodulator for analog TV and FM radio
3. Pin 6 and pin 36 (both internally connected pins) can still stay connected to the 1.2 V
power supply, as done in the PCBs for the predecessor TDA8290 without harm.
However, take grounds for new designs, because they are more easily accessible on
a PCB.
13.7 Crystal connection
The typical crystal frequency value is 16 MHz. The values of the passive components
depend on crystal manufacturer. The oscillator can be set in two configurations depending
on the origin of the crystal. Figure 17 describes the case of an crystal shared with the
tuner and the TDA8295 (Slave mode), Figure 18 the case of an crystal dedicated to the
TDA8295 (Oscillator mode).
In Oscillator mode, only a crystal and the load capacitances C1 and C2 need to be
connected externally since the feedback resistance is integrated on chip. In this mode the
oscillator gain stage can have a normal or large transconductance, determined by the HF
bit (see also Table 61). A large transconductance is required for higher oscillation
frequencies, higher series resistance of the crystal and higher external load capacitors.
For an accurate time reference it is advised to use the load capacitors as specified in
crystal manufacturer.
Slave mode
Oscillator mode
Fig 17. Reference clock application
Fig 18. Oscillator application
Table 73.
Crystal parameters together with external components
Fundamental
oscillation
frequency
Crystal load
capacitance
CL(xtal) (pF)
Crystal series
resistance Rs(xtal)
(
Ω)
External load capacitors
C1 (pF)
C2 (pF)
Bit HF = 0
1 MHz to 5 MHz
10
< 300
18
20
< 300
39
30
< 300
56
5 MHz to 10 MHz
10
< 300
18
20
< 200
39
30
< 100
56
10 MHz to
15 MHz
10
< 160
18
20
< 60
39
001aah363
XOUT
XIN
n.c.
clock signal
from tuner
Rbias
100 nF
TDA8295
001aah364
XOUT
XIN
GND
Rbias
C1
C2
XTAL
TDA8295
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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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