TDA9885TSSLASHV3 datasheet(31/56 Pages) PHILIPS

31 / 56 page

2003 Oct 02

Philips Semiconductors

Product speciﬁcation

I2C-bus controlled single and multistandard

alignment-free IF-PLL demodulators

TDA9885; TDA9886

FM-PLL FILTER (PIN FMPLL)

Vloop

DC loop voltage

1.5

−

3.3

Io(source)(PD)(max)

maximum phase detector output

source current

−

−µA

Io(sink)(PD)(max)

maximum phase detector output

sink current

−

−µA

Io(source)(DAH)

output source current of digital

acquisition help

−

−µA

Io(sink)(DAH)

output sink current of digital

acquisition help

−

−µA

tW(DAH)

pulse width of digital acquisition

help current

−

−µs

Tcy(DAH)

cycle time of digital acquisition

help

−

−µs

KO(FM)

VCO steepness

deﬁnition:

∆fFM/∆VFMPLL −

3.3

−

MHz/V

KD(FM)

phase detector steepness

deﬁnition:

∆IFMPLL/∆ϕFM −

−µA/rad

Audio ampliﬁer

DE-EMPHASIS NETWORK (PIN DEEM)

output resistance

µs de-emphasis;

see Table 12

4.4

5.0

5.6

Ω

µs de-emphasis;

see Table 12

6.6

7.5

8.4

Ω

VAF(rms)

audio signal (RMS value)

fAF = 400 Hz;

VAUD = 500 mV

−

170

−

DC output voltage

−

2.37

−

AF DECOUPLING (PIN AFD)

Vdec

DC decoupling voltage

dependent on fFM

intercarrier frequency

1.5

−

3.3

leakage current

∆VO(AUD) < ±50 mV

−−±25

Ich(max)

maximum charge current

1.15

1.50

1.85

µA

Idch(max)

maximum discharge current

1.15

1.50

1.85

µA

AUDIO OUTPUT (PIN AUD)

output resistance

note 3

−−

300

Ω

VO(AUD)

DC output voltage

−

2.37

−

load resistance

AC-coupled

−−

Ω

RL(DC)

DC load resistance

100

−−

Ω

load capacitance

−−

1.5

BAF(−3dB)(ul)

upper limit

−3 dB AF bandwidth

of audio ampliﬁer

150

−−

kHz

BAF(−3dB)(ll)

lower limit

−3 dB AF bandwidth

of audio ampliﬁer

note 20

−−

αmute

mute attenuation of AF signal

via I2C-bus

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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