TDA9809 datasheet(13/40 Pages) PHILIPS

13 / 40 page

1998 Jan 08

Philips Semiconductors

Preliminary speciﬁcation

Single standard multimedia IF-PLL and FM

radio demodulator

TDA9809M

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

Vo(AF)(rms)

AF output signal

voltage (RMS value)

Rx =0 Ω; see Fig.15 and

note 16

27 kHz

(54% FM deviation)

400

500

600

25 kHz

(50% FM deviation)

360

460

560

Vo(AF)(cl)(rms)

AF output clipping

signal voltage level

(RMS value)

THD < 1.5%

1.0

−

1.2

∆f

frequency deviation

THD < 1.5%; note 16

−−±53

kHz

∆V

o/∆T

temperature drift of AF

output signal voltage

−

× 10−3 7 × 10−3

dB/K

DC voltage at

decoupling capacitor

voltage dependent on VCO

frequency; note 17

1.2

−

3.0

output resistance

note 2

−−

150

Ω

DC output voltage

−

2.3

−

Io(sink)(max)

maximum AC and DC

output sink current

−−

0.5

Io(source)(max)

maximum AC and DC

output source current

−−

0.5

Baud(−3dB)

−3 dB audio

frequency bandwidth

100

125

−

kHz

THD

total harmonic

distortion

27 kHz (54% FM deviation)

−

0.5

1.0

S/NW

weighted

signal-to-noise ratio

FM-PLL only; with 50

µs

de-emphasis; 27 kHz

(54% FM deviation);

“CCIR 468-4”; see Fig.8

−

αr(SC)(rms)

residual sound carrier

(RMS value)

fundamental wave and

harmonics

−−

mute(AF)

mute attenuation of AF

signal

−

∆V

DC jump voltage of AF

output terminal for

switching AF output to

mute state and vice

versa

FM-PLL in lock mode

−±50

±150

PSRR

power supply ripple

rejection at pin 7

Rx =0 Ω; fmod = 70 Hz;

see Figs 9 and 15

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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