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)： 65/83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
68 of 83
NXP Semiconductors
TDA8295
Digital global standard low IF demodulator for analog TV and FM radio
[1]
100 % ADC current; 100 % video DAC current; 50 % sound DAC current.
[2]
100 % ADC current; 50 % video DAC current; 25 % sound DAC current.
[3]
See Section 9.3.19 for PLL setting.
[4]
Standard dependent located at 7.25 MHz, 8.25 MHz, 9.25 MHz, 9.75 MHz and 10.25 MHz.
[5]
The pull-in range can be doubled to
±1660 kHz by I2C-bus register like described in Table 16. Then the AFC read-out has 256 steps.
[6]
To counteract a fast IF level reduction, the digital IF AGC loop has a speed-up circuit for positive video modulation.
[7]
In the ordinary system application, this slow response is counteracted by the fast digital IF AGC loop. ADC clipping is practically avoided
by fast-attack AGC characteristic.
[8]
HAD: 250 ns for M standard, 200 ns for others.
[9]
The values given are measured with an IF AGC time constant of 5 Hz. For that, capacitor C7 in Figure 15 must be chosen 220 nF
instead of 2.2 nF. Doing so, the PSRR on 3.3 V together with the tuner can be improved.
[10] SC2 is not listed, but supported for all world standards.
PSRR
power supply rejection ratio
fripple = 70 Hz; 100 mV (p-p);
video signal: gray; level: 50 %;
TDA8295 stand alone
FM sound; 1.2 V
-
72
-
dB
FM sound; 3.3 V
33
-
dB
AM sound; 1.2 V
-
68
-
dB
AM sound; 3.3 V
37
-
dB
fripple = 70 Hz; 100 mV (p-p);
video signal: gray; level: 50 %;
together with TDA8275A;
input level: 60 dB
μV (RMS)
PC
FM sound; 1.2 V
-
72
-
dB
FM sound; 3.3 V
33
-
dB
AM sound; 1.2 V
-
22
-
dB
AM sound; 3.3 V
22
-
dB
fripple = 70 Hz; 100 mV (p-p);
video signal: gray; level: 50 %;
together with TDA1827x; input
level: 60 dB
μV (RMS) PC
FM sound; 1.2 V
-
72
-
dB
FM sound; 3.3 V
33
-
dB
AM sound; 1.2 V
-
22
-
dB
AM sound; 3.3 V
22
-
dB
α
sup(f)L(unw)
unwanted leakage
frequency suppression
related to SSIF (SC1) in
10 MHz to 200 MHz band
-
33
-
dB
Table 72.
Characteristics …continued
Power supplies 3.3 V, 1.2 V; Tamb = 25 °C; PC / SC1 for L and M = 10 dB, all others 13 dB; residual picture carrier for L = 3 %,
all others 10 %; FM/AM modulation = 54 %, 1 kHz modulation frequency; measured in application PCB (see Figure 15) with
16 MHz crystal frequency, loaded with 75
Ω (CVBS) and 1 kΩ (SSIF/audio). Values are meant for ‘easy programming’
settings (recommended) except internal mono audio and IF demodulation. The low IF spectrum is delivered by a professional
downconverter.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
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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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