TDA9874APS 데이터 시트보기 (PDF) - Philips Electronics

부품명

상세내역

제조사

TDA9874APS

Digital TB sound demodulator/processor

Philips Electronics 

Philips Semiconductors

Digital TV sound demodulator/decoder

Preliminary specification

TDA9874A

SYMBOL

PARAMETER

SIF1 and SIF2 analog inputs

VSIF(max)(p-p) maximum composite SIF input

voltage before clipping

(peak-to-peak value)

VSIF(min)(p-p)

minimum composite SIF input

voltage for lower limit of AGC

(peak-to-peak value)

AGC

fi

Ri

Ci

∆fFM

∆fFM(FS)

AGC range

input frequency

input resistance

input capacitance

FM deviation

FM deviation full-scale level

∆fFM(max)

C/NFM

maximum FM deviation in high

deviation mode

FM carrier-to-noise ratio

C/NN

NICAM carrier-to-noise ratio

αct

crosstalk attenuation

SIF1 to SIF2

Demodulator performance

Vo(nom)(rms)

THD + N

nominal level output voltage

(RMS value)

total harmonic distortion plus

noise

CONDITIONS

MIN.

SIF input level adjustment −

0 dB

SIF input level adjustment −

−10 dB

SIF input level adjustment −

0 dB

SIF input level adjustment −

−10 dB

−

4

AGCLEV = 0

10

−

B/G standard; THD < 1% ±100

terrestrial FM; level

adjustment 0 dB;

demodulator filter bandwidth

set to narrow

±150

B/G standard; THD < 1%; ±335

demodulator filter bandwidth

set to extra wide

NFM bandwidth = 6 MHz; −

white noise for S/N = 40 dB;

“CCIR468-2”; quasi peak

NN bandwidth = 6 MHz; bit −

error rate = 10−3; white

noise

fi = 4 to 9.2 MHz

50

note 1

400

from FM source to any

−

output; fi = 1 kHz; bandwidth

20 Hz to 20 kHz;

Vo = 1 V (RMS)

from NICAM source to any −

output; fi = 1 kHz; bandwidth

20 Hz to 20 kHz;

Vo = 1 V (RMS)

TYP.

941

2 976

59

188

24

−

−

7.5

−

−

−

77

66

−

500

0.3

0.1

MAX. UNIT

−

mV

−

mV

−

mV

−

mV

−

dB

9.2

MHz

−

kΩ

11

pF

−

kHz

−

kHz

−

kHz

−

d-H---B-z-

−

d-H---B-z-

−

dB

600

mV

0.5

%

0.3

%

1999 Dec 03

19

Share Link: