Datasheet > TDA9898V2

TDA9898V2

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
103页	512K
描述
Multistandard hybrid IF processing

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TDA9898V2 数据手册

TDA9897; TDA9898

NXP Semiconductors

Multistandard hybrid IF processing

Table 1.

Quick reference data …continued

V_P= 5 V; T_amb= 25 °C.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

[2][4]

G_dif

differential gain

“ITU-T J.63 line 330”

B/G standard

L standard

ϕ_dif

differential phase

“ITU-T J.63 line 330”

B/G standard

L standard

deg

MHz

[3]

B_{video(−3dB)}−3 dB video bandwidth

trap bypass mode and

sound carrier off; AC load:

C_L< 20 pF, R_L> 1 kΩ

α_SC1

ﬁrst sound carrier attenuation

M/N standard;

f = f_SC1= 4.5 MHz;

see Figure 21

[3]

B/G standard;

f = f_SC1= 5.5 MHz;

see Figure 23

[2][5]

(S/N)_w

weighted signal-to-noise ratio

normal mode and sound

carrier on; B/G standard;

50 % grey video signal;

uniﬁed weighting ﬁlter

(“ITU-T J.61”);

see Figure 20

[2]

[6]

PSRR_CVBSpower supply ripple rejection on

pin CVBS

normal mode and sound

carrier on; f_ripple= 70 Hz;

video signal; grey level;

positive and negative

modulation; see Figure 11

∆I_AFC/∆f_VIFchange of AFC current with VIF

AFC TV mode

0.85

430

1.05

540

1.25

650

µA/kHz

frequency

Audio part

V_o(AF)(RMS)RMS AF output voltage

FM: QSS mode;

27 kHz FM deviation;

50 µs de-emphasis

AM: 54 % modulation

400

500

600

THD

total harmonic distortion

AF cut-off frequency

FM: 50 µs de-emphasis;

FM deviation: for TV mode

27 kHz and for radio mode

22.5 kHz

0.15

0.50

AM: 54 % modulation;

BP on; see Figure 33

0.5

1.0

f_−3dB(AF)

W3[2] = 0; W3[4] = 0;

without de-emphasis;

FM window

100

kHz

width = 237.5 kHz

TDA9897_TDA9898_3

Product data sheet

Rev. 03 — 11 January 2008

4 of 103

1 2 345 6 7...103

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