TDA9809 Просмотр технического описания (PDF) - Philips Electronics

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производитель

TDA9809

Single standard multimedia IF-PLL and FM radio demodulator

Philips Electronics 

Philips Semiconductors

Single standard multimedia IF-PLL and FM

radio demodulator

Preliminary specification

TDA9809M

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

INTERCARRIER AF PERFORMANCE FOR FM OPERATION; notes 18, 19 and 20; see Table 1

S/NW(SC1)

weighted

PC/SC1 ratio at pins 1

27

−

signal-to-noise ratio and 2; 27 kHz (54% FM

for SC1

deviation); “CCIR 468-4”;

50 µs (75 µs at M standard)

black picture

41

47

white picture

41

47

6 kHz sine wave

(black-to-white

modulation)

35

40

sound carrier

30

35

subharmonics;

fmod = 2.75 MHz ±3 kHz

Radio mode

RIF AMPLIFIER (PINS 4 AND 10)

Vi(4)(max)(rms)

maximum input signal d3 < 60 dB

voltage (RMS value) intermodulation;

notes 21 and 22

10

20

Vo(10)(cl)(rms)

RF amplifier output −1 dB gain compression 400

−

clipping signal voltage point; note 21

level (RMS value)

GRIF

BRIF(−3dB)

RIF gain

−3 dB RIF bandwidth

lower limit

upper limit

10

13

−

100

−

25

Ri(SE)

single-ended input

resistance

note 2

240

330

Ci(SE)

single-ended input

capacitance

note 2

1.5

2

Ro

output resistance

note 2

VI(4)

DC input voltage

note 2

−

25

−

2.7

RADIO TUNER AGC (PIN 12)

Isink

sink current

maximum tuner gain

1.5

2

reduction

Vo(max)

maximum output

from external source;

−

−

voltage

note 2

Vo(10)(rms)

AGC onset

(RMS value)

RIF amplifier output;

−

180

I12 = 0.4 mA

MAX.

−

−

−

−

−

−

900

16

−

−

420

2.5

−

−

2.6

13.2

−

UNIT

dB

dB

dB

dB

dB

mV

mV

dB

kHz

MHz

Ω

pF

Ω

V

mA

V

mV

1998 Jan 08

14

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