TDA8296 datasheet(3/87 Pages) NXP

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TDA8296

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Product data sheet

Rev. 1 — 3 March 2011

3 of 87

NXP Semiconductors

TDA8296

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

Quick reference data

Table 1.

Quick reference data

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

Power supply

VDD(1V2)

supply voltage (1.2 V)

digital and analog

1.1

1.2

1.3

VDD(3V3)

supply voltage (3.3 V)

digital and analog

3.0

3.3

3.6

IDD(tot)(1V2)

total supply current (1.2 V)

IDD(tot)(3V3)

total supply current (3.3 V)

Ptot

total power dissipation

default settings; fs = 54 MHz at ADC;

DAC application in accordance to

Figure 23

270

fs = 54 MHz at ADC; DAC application in

accordance to Figure 24

150

Standby mode

IF input

Vi(p-p)

peak-to-peak input voltage for full-scale ADC input (0 dBFS)

0.7

0.8

0.9

input voltage

operational input related to ADC full

scale; all standards; sum of all signals

−3

dBFS

input frequency

PC / SC1

M/N standard

5.40 / 0.90 -

MHz

B standard

6.40 / 0.90 -

MHz

G/H standard

6.75 / 1.25 -

MHz

I standard

7.25 / 1.25 -

MHz

D/K standard

6.85 / 0.35 -

MHz

L standard

6.75 / 0.25 -

MHz

L-accent standard

1.25 / 7.75 -

MHz

FM radio

1.25

MHz

Carrier recovery FPLL

B−3dB(cl)

closed-loop

−3 dB

bandwidth

wide

kHz

Δf

pullin

pull-in frequency range

[1] -

±830

kHz

mover(PC)

picture carrier over

modulation index

black for L/L-accent standard; flat field

white else

115

117

IF demodulation (video equalizer in Flat mode)

sup(stpb)

stop-band suppression

video low-pass filter (M/N, B/G/H, I, D/K,

L/L-accent standard)

−60

tripple(GDE)

group delay equalizer

ripple time

peak value for B/G/H half, D/K half,

I flat, M (FCC) full, L/L-accent full

standard

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