TEA6840 Ver la hoja de datos (PDF) - Philips Electronics
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TEA6840 Datasheet PDF : 44 Pages
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Philips Semiconductors
New In Car Entertainment (NICE) car radio
Preliminary specification
TEA6840H
SYMBOL
PARAMETER
AM IF2 LEVEL DETECTOR; see Fig.4
Vlevel
level output DC voltage
(pin 58)
∆Vlevel
Vlevel(slope)
level starting point for
adjustment of step size
slope of level voltage
CONDITIONS
V45-48 = 10 µV to 1 V
V45-48 < 1 µV; default setting
of level DAA and level slope
V45-48 = 1.4 mV; default
setting of level DAA
default setting of level slope
default setting of level slope
MIN.
0
0.1
1.6
30
650
TYP.
−
0.5
2.2
40
800
∆Vstep
level slope adjustment of V45-48 = 1.4 mV
45
step size
Vo(B)
bandwidth level output
200
voltage (pin 58)
Ro
output resistance at level
−
voltage pin (pin 58)
RR
ripple rejection (pin 58) fripple = 100 Hz;
−
VDDA1(ripple) = 100 mV (RMS)
AM NOISE BLANKER; TEST SIGNAL AND TEST CIRCUIT; see Fig.5
VO
DC output voltage
4.3
(pin 46)
tsup
suppression time
6
ftrigger
trigger sensitivity
V35 = 200 mV (peak);
−
V58 < 1.8 V
V35 = 200 mV (peak);
−
V58 > 2.2 V
V35 = 20 mV (peak)
−
Isink(AGC)
AM noise blanker AGC V6 = 3 V
35
sink current (pin 6)
VAGC
AM noise blanker AGC V32-33 = 0 V
1.9
voltage (pin 6)
FM signal channel
RF AGC
Vi(RF)(rms)
Idrive(pd)
Ich
RF input voltage for start
of wide-band AGC
(pin 25 to 27)
(RMS value)
pin diode drive current
(pin 24)
charge current AGC
peak detector (pin 22)
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
V24 = 0.5 to 4.0 V
−
−
−
−
8
−350
60
300
−
40
4.6
7.5
1 000
−
−
50
2.2
4
8
12
16
11.5
−600
MAX. UNIT
7
V
0.9
V
2.8
V
50
mV
950
2----0m-----Vd---B---
75
2----0m-----Vd---B---
−
mV
500
Ω
−
dB
5.1
V
10
µs
−
Hz
100
Hz
100
Hz
65
µA
2.5
V
−
mV
−
mV
−
mV
−
mV
15
mA
−850 µA
1999 Jul 12
20
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