TDA8296 datasheet(59/87 Pages) NXP

59 / 87 page

TDA8296

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Product data sheet

Rev. 1 — 3 March 2011

59 of 87

NXP Semiconductors

TDA8296

Digital global standard low IF demodulator for analog TV and FM radio

SSIF/mono sound output

fo(SSIF)

SSIF output frequency

SC1 or FM radio carrier

[9]

M standard

4.5

MHz

B/G/H standard

5.5

MHz

I standard

6.0

MHz

D/K/L/L-accent standard

6.5

MHz

FM radio

5.5

MHz

Vo(SSIF)(RMS)

RMS SSIF output voltage

1 k

Ω DC or AC load;

no modulation;

PC / SC1 = 13 dB;

Cs = 220 pF

M standard

105

120

135

B standard

100

115

130

G/H standard

100

115

130

D/K standard

110

125

I standard

100

115

130

L standard

110

125

L-accent standard

110

125

FM radio (single carrier)

100

115

130

Vo(AF)(RMS)

RMS AF output voltage

1 k

Ω DC or AC load; FM;

gain 0 dB

M standard; 54 %

modulation degree

(

±13.5 kHz FM deviation

before pre-emphasis)

126

135

B, G/H, I, D/K standard;

54 % modulation degree

(

±27 kHz FM deviation

before pre-emphasis)

107

133

144

L/L-accent standard; AM;

m = 54 %; gain +6 dB

158

176

196

FM radio; 30 % modulation

degree (

±22.5 kHz FM

deviation before

pre-emphasis)

high Deviation mode

(D/K standard China);

FM deviation before

pre-emphasis

±400 kHz;

sound level setting:

−12 dB

[10] -

425

Table 64.

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; nominal residual picture carrier of

3 % for L/L’ , 10 % for M, 10 % for B/G, 12.5 % for D/K, 20 % for I; FM/AM modulation = 54 %, 1 kHz modulation frequency;

measured in application PCB (see Figure 22 and Figure 23) with 16 MHz crystal frequency, terminated with 75

Ω (CVBS) and

1 k

Ω (SSIF/audio). Operation mode set via easy programming (Section 9.3.1), otherwise stated. Low IF input signal at -3dB

full scale, input frequencies as defined under row header IF input.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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