Philips Semiconductors
Product specification
New In Car Entertainment (NICE) car radio
TEA6845AH; TEA6845H
SYMBOL
Co
PARAMETER
CONDITIONS
AM mono
MIN.
TYP.
MAX.
UNIT
pF
output capacitance
−
5
7
7
AM IF2 LEVEL DETECTOR OUTPUT: PIN Vlevel; see Fig.3
Vlevel
DC output voltage
Vi = 10 µV to 1 V
0
−
V
V
Vi < 1 µV; standard setting of 0.1
level DAA and level slope
0.5
2.2
40
0.9
2.8
50
Vi = 1.4 mV; standard setting 1.6
of level DAA
V
∆Vlevel
step size for adjustment of standard setting of level slope 30
level starting point
mV
Vlevel(slope)
slope of level voltage
standard setting of level slope 650
800
950
mV
---------------
20 dB
∆Vstep
step size for adjustment of Vi =1.4 mV
level starting point
45
60
75
mV
---------------
20 dB
Blevel
bandwidth of level output
voltage
200
300
−
mV
Ro
output resistance
−
−
−
500
Ω
RR
ripple rejection
VDDA1(ripple) = 100 mV (RMS);
40
−
dB
fripple = 100 Hz;
AM NOISE BLANKER; see Fig.4
Threshold: pin AMNBHOLD
VO
DC output voltage
suppression time
4.3
6
4.6
5.1
10
−
V
tsup
7.5
µs
Hz
ftrigger
trigger sensitivity
frequency
Vp = 200 mV (peak);
Vlevel < 1.8 V
−
1000
Vp = 200 mV (peak);
Vlevel > 2.2 V
−
−
−
−
100
100
Hz
Hz
Vp = 20 mV (peak)
Noise detector output: pin TRDSMUTE
Isink(AGC)
AM noise blanker AGC
sink current
VTRDSMUTE = 3 V
35
50
65
µA
VAGC
AM noise blanker AGC
voltage
AM mixer 1 input Vi = 0 V
1.9
2.2
2.5
V
FM signal channel
FM RF AGC
Inputs: pins FMMIXIN1 and FMMIXIN2; note 9
Vi(RF)(rms)
RF input voltage for start
of wide-band AGC
(RMS value)
data byte 5: bit 5 = 0, bit 6 = 0
data byte 5: bit 5 = 1, bit 6 = 0
data byte 5: bit 5 = 0, bit 6 = 1
data byte 5: bit 5 = 1, bit 6 = 1
−
−
−
−
4
−
−
−
−
mV
mV
mV
mV
8
12
16
2001 Apr 12
19
NXP [ NXP ]
