TEF6894H datasheet(12/55 Pages) PHILIPS

12 / 55 page

2003 Oct 21

Philips Semiconductors

Product speciﬁcation

Car radio integrated signal processor

TEF6894H

input gain on

pins FMMPX, MPXRDS

and AM

see Table 36

ING[1:0] = 00; all inputs

−

ING[1:0] = 01; all inputs

−

ING[1:0] = 10; all inputs

−

ING[1:0] = 11; FMMPX

−

23.5

−

ING[1:0] = 11; MPXRDS and AM

−

channel separation

fFMMPX = 1 kHz

−−

gc(L-R)

roll-off correction for

coarse adjustment of

separation

see Table 20; measure 1 kHz level

for L

− R modulation; compare to

1 kHz level for L + R modulation

CSR[1:0] = 00

−

CSR[1:0] = 01

−

0.4

−

CSR[1:0] = 10

−

0.8

−

CSR[1:0] = 11

−

1.2

−

gf(L-R)

stereo adjust for ﬁne

adjustment of separation

see Table 21; measure 1 kHz level

for L

− R modulation; compare to

1 kHz level for L + R modulation

CSA[3:0] = 0000

−

CSA[3:0] = 0001

−

0.2

−

CSA[3:0] = 1110

−

2.8

−

CSA[3:0] = 1111

−

3.0

−

S/N

signal-to-noise ratio

fFMMPX = 20 Hz to 15 kHz;

referenced to 1 kHz at 91% FM

modulation; DEMP = 1

(

τde-em =50 µs)

−−

THD

total harmonic distortion

FM mode

fFMMPX = 1 kHz

−−

0.3

VFMMPX = 50%; L; pilot on

−−

0.3

VFMMPX = 50%; R; pilot on

−−

0.3

Vo(bal)

mono channel balance

FM mode

−1

−

pilot signal suppression

9% pilot; fpilot = 19 kHz; referenced

to 1 kHz at 91% FM modulation;

DEMP = 1 (

τde-em =50 µs)

−

subcarrier suppression

modulation off; referenced to 1 kHz

at 91% FM modulation

fsc = 38 kHz

−

fsc = 57 kHz

−−

fsc = 76 kHz

−

PSRR

power supply ripple

rejection

FM mode; fripple = 100 Hz;

VCC(AC) =Vripple = 100 mV (RMS)

−−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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