TEA6845AH Просмотр технического описания (PDF) - Philips Electronics
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TEA6845AH Datasheet PDF : 48 Pages
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Philips Semiconductors
New In Car Entertainment (NICE) car radio
Product specification
TEA6845AH; TEA6845H
SYMBOL
PARAMETER
CONDITIONS
MIN.
Co
output capacitance
AM mono
−
AM IF2 LEVEL DETECTOR OUTPUT: PIN Vlevel; see Fig.3
Vlevel
DC output voltage
Vi = 10 µV to 1 V
0
Vi < 1 µV; standard setting of 0.1
level DAA and level slope
Vi = 1.4 mV; standard setting 1.6
of level DAA
∆Vlevel
step size for adjustment of standard setting of level slope 30
level starting point
Vlevel(slope) slope of level voltage
standard setting of level slope 650
∆Vstep
step size for adjustment of Vi =1.4 mV
45
level starting point
Blevel
Ro
RR
bandwidth of level output
voltage
output resistance
ripple rejection
AM NOISE BLANKER; see Fig.4
200
−
VDDA1(ripple) = 100 mV (RMS); −
fripple = 100 Hz;
Threshold: pin AMNBHOLD
VO
DC output voltage
4.3
tsup
suppression time
6
ftrigger
trigger sensitivity
Vp = 200 mV (peak);
−
frequency
Vlevel < 1.8 V
Vp = 200 mV (peak);
−
Vlevel > 2.2 V
Vp = 20 mV (peak)
−
Noise detector output: pin TRDSMUTE
Isink(AGC)
AM noise blanker AGC
VTRDSMUTE = 3 V
35
sink current
VAGC
AM noise blanker AGC AM mixer 1 input Vi = 0 V
1.9
voltage
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 −
TYP.
5
−
0.5
2.2
40
800
60
300
−
40
4.6
7.5
1 000
−
−
50
2.2
4
8
12
16
MAX.
7
7
0.9
2.8
50
950
75
−
500
−
5.1
10
−
100
100
65
2.5
−
−
−
−
UNIT
pF
V
V
V
mV
2----0m-----Vd---B---
2----0m-----Vd---B---
mV
Ω
dB
V
µs
Hz
Hz
Hz
µA
V
mV
mV
mV
mV
2001 Apr 12
19
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