Philips Semiconductors
New In Car Entertainment (NICE)
extended car radio
Product specification
TEA6842H
SYMBOL
PARAMETER
CONDITIONS
MIN.
tst
DAA output settling VDAAOUT = 0.2 to 8.25 V;
−
time
CL = 270 pF
RR
ripple rejection
data byte 3 = 10101011;
−
V----V-D---AD----AD---O-A---U3----T-
FM mode; VDAAIN = 4 V;
VDAATD = 0.45 V;
fripple = 100 Hz;
VDDA3(ripple) = 100 mV
CL
DAA output load
VDAAOUT < 8 V; FM mode
−
capacitance
DAA TEMPERATURE COMPENSATION: PIN DAATD
Isource
TCsource
compensation diode
source current
temperature
coefficient of
compensation diode
source current
VDAATD = 0.2 to 1.2 V
VDAATD = 0.2 to 1.2 V;
Tamb = −40 to +85 °C
−50
−300
IF counter (FM IF1 or AM IF2 counter)
NIF
IF counter length for
−
AM and FM
Tcount(IF)
IF counter period
data byte 4: bit 7 = 1
−
data byte 4: bit 7 = 0
−
Rprecount
FM IF counter
data byte 4: bit 3 = 1
−
prescaler ratio
data byte 4: bit 3 = 0
−
VFMLIMIN(sens)(rms) FM sensitivity voltage FM mode
−
(RMS value)
N
VAMIF2IN(sens)(rms)
N
counter result
(decimal)
AM sensitivity voltage
(RMS value)
counter result
(decimal)
period = 2 ms; fIF1 = 10.7 MHz;
VFMLIMIN = 100 µV (RMS)
prescaler ratio = 10
−
prescaler ratio = 100
−
period = 20 ms; fIF1 = 10.7 MHz;
VFMLIMIN = 100 µV (RMS)
prescaler ratio = 10
−
prescaler ratio = 100
−
AM mode; m = 0
−
period = 2 ms; fIF2 = 450 kHz; −
VAMIF2IN = 200 µV (RMS)
period = 20 ms; fIF2 = 450 kHz; −
VAMIF2IN = 200 µV (RMS)
TYP.
20
50
−
−40
−
8
2
20
10
100
30
92
214
152
92
50
133
40
MAX. UNIT
30
µs
−
dB
270
pF
−30
+300
µA
1----0K---–---6-
−
bit
−
ms
−
ms
−
−
100
µV
−
−
−
−
100
µV
−
−
2003 Dec 19
15