Philips Semiconductors
Product specification
New In Car Entertainment car radio tuner IC with
Precision Adjacent Channel Suppression (NICE-PACS)
TEA6848H
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
Co
ZL
output capacitance
data byte 3: bit 0 = 1, bit 1 = 0,
bit 2 = 1
−
5
7
−
−
−
−
pF
kΩ
kΩ
dB
dB
load impedance
ripple rejection
data byte 3: bit 0 = 1, bit 1 = 0,
bit 2 = 1; AM mono
100
10
−
−
data byte 3: bit 0 = 1, bit 1 = 1,
bit 2 = 1; AM stereo
−
RR
VDDA5(ripple) = 100 mV (RMS);
24
26
fripple = 100 Hz
VDDA6(ripple) = 100 mV (RMS);
fripple = 100 Hz
−
AM IF2 LEVEL DETECTOR OUTPUT: PIN Vlevel(AMFM); see Fig.4
Vlevel(AMFM)
DC output voltage
VAMIF2IN = 10 µV to 1 V
0
−
7
V
V
VAMIF2IN < 1 µV; standard setting 0.1
of level DAA
0.5
2.2
40
0.9
VAMIF2IN = 1.4 mV; standard
setting of level DAA
1.6
2.8
50
V
∆Vlevel(AMFM)
step size for adjustment of VAMIF2IN = 0 V; standard setting 30
mV
level starting point
of level slope
Vlevel(slope)
slope of level voltage
VAMIF2IN = 140 µV to 140 mV;
standard setting of level slope
650
45
800
950
mV
---------------
20 dB
∆Vstep
step size for adjustment of VAMIF2IN = 1.4 mV
level slope
60
75
mV
---------------
20 dB
Blevel(AMFM)
bandwidth of level output
voltage
VAMIF2IN = 15 mV; standard
setting of level DAA
200
300
−
kHz
Ro
output resistance
−
−
−
500
Ω
RR
VDDA6(ripple) = 100 mV (RMS);
fripple = 100 Hz
36
−
dB
Vlevel
ripple rejection
---------------
VDDA6
AM NOISE BLANKER; TEST SIGNAL AND TEST CIRCUIT; see Fig.5
Threshold: pin AMNBHOLD
VO
DC output voltage
suppression time
4.3
6
4.6
7.5
5.1
10
V
tsup
Vpulse = 200 mV (peak);
Vlevel(AMFM) < 1.8 V
µs
ftrigger
trigger sensitivity frequency Vpulse = 200 mV (peak);
Vleve(AMFM)l < 1.8 V
−
−
−
1000
−
Hz
Hz
Hz
Vpulse = 200 mV (peak);
Vlevel(AMFM) > 2.2 V
−
−
100
100
Vpulse = 20 mV (peak);
Vlevel(AMFM) < 1.8 V
Noise detector output: pin TRDSMUTE
Isink(AGC)
AM noise blanker AGC sink VTRDSMUTE = 3 V
current
35
50
65
µA
2004 Nov 12
20
NXP [ NXP ]
