TEA6825T PHILIPS [NXP Semiconductors], TEA6825T Datasheet - Page 9

• Manufacturer Part Number: TEA6825T
• Description: In Car Entertainment ICE car radio
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
1998 Mar 24
FM demodulator
V
V
V
V
V
V
/ V
R
THD
S
------------- -
V
V
47-4(rms)
43-4(rms)
37-35(rms)
37-35(rms)
43FM
47FM
o
In Car Entertainment (ICE) car radio
N
+
43DC
43-44AFCdis
SYMBOL
43-44AFCactive
N
/V
/V
43AM
47AM
MPX output voltage (RMS value)
MPX output voltage for RDS
(RMS value)
start of limiting voltage (RMS value)
input voltage for signal plus
noise-to-noise ratio (RMS value)
residual DC-offset voltage
AM suppression
AM suppression
demodulator frequency control
voltage (AFC) efficiency
output resistance (pin 47)
output resistance (pin 43)
AF bandwidth (pin 43)
signal plus noise-to-noise ratio
total harmonic distortion
PARAMETER
see Fig.7 for pin 47
(MPXOUT) and Fig.8 for
pin 43 (RDS/AMSTOP)
f
m
V
V
at 100 kHz detune from
exact tuning
detuning 50 kHz;
without de-emphasis;
L
modAM
demod
AF
L
f = 22.5 kHz;
f = 75 kHz; f
37-35
37-35
AM
10 V < V
80 V < V
pin 43;
V
to 800 mV
pin 47;
V
S
------------- -
S
------------- -
demod
9
37-35
37-35
= 3 dB
N
N
+
+
= 30%;
CONDITIONS
N
N
= 3 to 300 mV
= 1 to 300 mV
= 1 kHz;
= typical value
= typical value
= 300 V
= 1 to 800 mV
=
=
26 dB
46 dB
37-35
37-35
mod
< 80 V
< 800 mV
= 1 kHz
TEA6823T; TEA6825T
MIN.
160
160
50
50
28
200
66
200
200
25
30
70
100
10
60
60
32
75
0.1
0.1
TYP.
Preliminary specification
MAX.
240
240
40
45
100
1000 mV
30
3
1.5
0.35
0.35
mV
mV
mV
dB
dB
dB
k
k
kHz
dB
%
%
V
V
V
UNIT