TDA9898HLSLASHV3 datasheet(3/103 Pages) NXP

3 / 103 page

TDA9897_TDA9898_4

Product data sheet

Rev. 04 — 25 May 2009

3 of 103

NXP Semiconductors

TDA9897; TDA9898

Multistandard hybrid IF processing

2.4 FM radio mode

I Gain controlled wideband Radio IF (RIF) ampliﬁer; AC-coupled

I Buffered RIF ampliﬁer wideband output, gain controlled by internal RIF AGC

I Use of external FM sound BP ﬁlter

I 2nd RIF output, gain controlled by internal RIF AGC or by internal FM carrier AGC for

DSP

I Alignment-free selective FM PLL demodulator with high linearity and low noise

I Precise fully digital AFC detector with 4-bit DAC; AFC bits read-out via I2C-bus

I Port function

I Radio AFC or tuner, RIF or FM AGC voltage monitor output

Applications

I Analog and digital TV front-end applications for TV sets, recording applications and

personal computer cards

Quick reference data

Table 1.

Quick reference data

VP =5V; Tamb =25 °C.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

supply voltage

[1] 4.5

5.0

5.5

supply current

ATV QSS; B/G standard;

sound carrier trap on;

sound BP on

175

Analog TV signal processing

Video part

Vi(IF)(RMS)

RMS IF input voltage

lower limit at

−1 dB video

output signal

100

µV

GVIF(cr)

control range VIF gain

fVIF

VIF frequency

see Table 24

---MHz

∆fVIF(dah)

digital acquisition help VIF

frequency window

related to fVIF

all standards except M/N

±2.3

MHz

M/N standard

±1.8

MHz

Vo(video)(p-p)

peak-to-peak video output voltage

positive or negative

modulation; normal mode

and sound carrier on;

W6[1] = 0; W4[7] = 0;

W7[4] = 0; see Figure 10

1.7

2.0

2.3

Gdif

differential gain

“ITU-T J.63 line 330”

[2][3]

B/G standard

L standard

ϕdif

differential phase

“ITU-T J.63 line 330”

[2][3]

B/G standard

deg

L standard

deg

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