TEF6894H datasheet(18/55 Pages) PHILIPS

18 / 55 page

2003 Oct 21

Philips Semiconductors

Product speciﬁcation

Car radio integrated signal processor

TEF6894H

ULTRASONIC NOISE ANALOG-TO-DIGITAL CONVERTER (4-BIT); see Fig.5

VUSN(min)(rms)

conversion range lower

voltage limit (RMS value)

fFMMPX = 150 kHz

−

VUSN(max)(rms)

conversion range upper

voltage limit (RMS value)

fFMMPX = 150 kHz

−

0.75

−

∆V

USN(rms)

bit resolution voltage

(RMS value)

−

WIDEBAND AM ANALOG-TO-DIGITAL CONVERTER (4-BIT); see Fig.6

VWAM(min)(p-p)

lower voltage limit of

conversion range

(peak-to-peak value)

fLEVEL =21kHz

−

VWAM(max)(p-p)

upper voltage limit of

conversion range

(peak-to-peak value)

fLEVEL =21kHz

−

800

−

∆V

WAM(p-p)

bit resolution voltage

(peak-to-peak value)

−

53.3

−

Tone/volume control

input impedance at pins

TAPEL, TAPER, CDL and

CDR

−−

Ω

input impedance at

pin PHONE

−−

Ω

output impedance at

pins LFOUT, RFOUT,

LROUT and RROUT

−−

100

Ω

Gs(main)

signal gain from main

source input to LFOUT,

RFOUT, LROUT and

RROUT outputs

−1

−

Gs(NAV)

signal gain from NAV

input to LFOUT, RFOUT,

LROUT and RROUT

outputs

−1.5

+1.5

Vi(max)(rms)

maximum input voltage

level at pins TAPEL,

TAPER, CDL, CDR and

PHONE (RMS value)

THD = 0.1%; Gvol = −6dB

−−

Vi(NAV)(max)(rms) maximum input voltage

level at pin NAV

(RMS value)

THD = 1%

0.3

−−

Vo(max)(rms)

maximum output voltage

(RMS value)

THD = 0.1%; Gvol =+6dB

−−

worst case load: RL =2kΩ,

CL = 10 nF, THD = 1%

−−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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