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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.

FM OPERATION (PIN 7); notes 15 and 15a

Vo(AF)(rms)

AF output signal

Rx = 0 Ω; see Fig.15 and

voltage (RMS value) note 16

27 kHz

400

(54% FM deviation)

25 kHz

360

(50% FM deviation)

Vo(AF)(cl)(rms)

AF output clipping

THD < 1.5%

1.0

signal voltage level

(RMS value)

∆fAF

∆Vo/∆T

frequency deviation THD < 1.5%; note 16

−

temperature drift of AF

−

output signal voltage

V9

DC voltage at

voltage dependent on VCO 1.2

decoupling capacitor frequency; note 17

Ro

output resistance

note 2

−

VO

DC output voltage

−

Io(sink)(max)

maximum AC and DC

−

output sink current

Io(source)(max)

maximum AC and DC

−

output source current

Baud(−3dB)

−3 dB audio

100

frequency bandwidth

THD

total harmonic

distortion

27 kHz (54% FM deviation) −

S/NW

weighted

FM-PLL only; with 50 µs 50

signal-to-noise ratio de-emphasis; 27 kHz

(54% FM deviation);

“CCIR 468-4”; see Fig.8

αr(SC)(rms)

residual sound carrier fundamental wave and

−

(RMS value)

harmonics

αmute(AF)

mute attenuation of AF

70

signal

∆V7

DC jump voltage of AF FM-PLL in lock mode

−

output terminal for

switching AF output to

mute state and vice

versa

PSRR

power supply ripple Rx = 0 Ω; fmod = 70 Hz;

20

rejection at pin 7

see Figs 9 and 15

TYP.

MAX.

500

600

460

560

−

1.2

−

±53

3 × 10−3 7 × 10−3

−

3.0

−

150

2.3

−

−

0.5

−

0.5

125

−

0.5

1.0

55

−

−

75

75

−

±50

±150

26

−

UNIT

mV

mV

V

kHz

dB/K

V

Ω

V

mA

mA

kHz

%

dB

mV

dB

mV

dB

1998 Jan 08

13

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