TEF6894H NXP Semiconductors, TEF6894H Datasheet - Page 13

• Manufacturer Part Number: TEF6894H
• Description: Tef6894h Car Radio Integrated Signal Processor
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Oct 21
f
m
hys
V
f
Noise blanker
FM
t
V
V
AM
t
M
cut-off(de-em)
ref
sup(min)
sup(min)
V
ref(min)
MPXRDS(M)
LEVEL(M)
Car radio integrated signal processor
i(pilot)(rms)
AM
SYMBOL
out
pilot
PART
PART
frequency response
cut-off frequency of
de-emphasis filter
pilot threshold modulation
for automatic switching by
pilot input voltage
(RMS value)
hysteresis of pilot
threshold voltage
minimum reference input
voltage
reference frequency for
stereo PLL
minimum suppression
time
noise blanker sensitivity
at MPXRDS input
(peak value of noise
pulses)
noise blanker sensitivity
at LEVEL input
(peak value of noise
pulses)
minimum suppression
time
noise blanker sensitivity
PARAMETER
FM mode
stereo
see Table 37; t
repetition frequency f = 300 Hz
see Table 40; t
repetition frequency f = 300 Hz
see Table 37; f
3 dB point; see Fig.15
f
f
DEMP = 1 (
DEMP = 0 (
on
off
NBS[1:0] = 00
NBS[1:0] = 01
NBS[1:0] = 10
NBS[1:0] = 11
NBL[1:0] = 00
NBL[1:0] = 01
NBL[1:0] = 10
NBS[1:0] = 00
NBS[1:0] = 01
NBS[1:0] = 10
NBS[1:0] = 11
FMMPX
FMMPX
= 20 Hz
= 15 kHz
CONDITIONS
13
pulse
pulse
audio
de-em
de-em
= 10 s;
= 10 s;
= 2 kHz
= 50 s)
= 75 s)
1.3
75361 75368
MIN.
0.5
0.5
3.18
2.12
4.0
2.7
2
15
90
150
210
270
9
18
28
200
110
140
175
220
TYP.
Product specification
TEF6894H
+0.5
+0.5
5.5
30
75375 Hz
MAX.
dB
dB
kHz
kHz
%
%
dB
mV
mV
mV
mV
mV
mV
mV
mV
%
%
%
%
UNIT
s
s