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
Vi
VAGC(ctrl)
V5(min)(rms)
V5(max)(rms)
Ro
Vo(rms)
Co
VSEN(rms)
S+N/N
THD
RR
tsw
tsettle
PARAMETER
CONDITIONS
MIN.
input voltage for
α = −10 dB audio
attenuation
(pin 45 to 48)
data byte 5 bit 4 = 1; mute on −
data byte 5 bit 4 = 0; mute off −
AGC control voltage
V45-48 = 1 mV
4.1
minimum AM IF2 output data byte 4 bit 0 = 1, bit 1 = 1; 1.5
level (pin 5) (RMS value) m = 0; V45-48 = 14 µV
maximum AM IF2 output data byte 4 bit 0 = 1, bit 1 = 1; 130
level (pin 5) (RMS value) m = 0; V45-48 = 5.0 mV
output resistance (pin 5) data byte 4 bit 0 = 1, bit 1 = 1 −
data byte 4 bit 0 = 1, bit 1 = 0 −
AM AF output voltage data byte 4 bit 0 = 1, bit 1 = 0; 240
level (pin 5) (RMS value) m = 0.3; fmod = 400 Hz;
V45-48 = 100 µV to 500 mV
(RMS)
output capacitance
(pin 5)
data byte 4 bit 0 = 1, bit 1 = 0 −
sensitivity voltage
(pin 45 to 48)
(RMS value)
m = 0.3; fmod = 400 Hz;
BAF = 2.5 kHz; Rsource = 2 kΩ
S + N/N = 26 dB
−
S + N/N = 46 dB
−
maximum signal plus
noise-to-noise ratio
m = 0.3; fmod = 400 Hz;
54
BAF = 2.5 kHz; Rsource = 2 kΩ
total harmonic distortion BAF = 2.5 kHz; CAGC = 22 µF;
V45-48 = 100 µV to 500 mV
(RMS)
m = 0.8; fmod = 400 Hz
−
m = 0.9; fmod = 400 Hz
−
m = 0.8; fmod = 100 Hz
−
m = 0.9; fmod = 100 Hz
−
ripple rejection (pin 5)
fripple = 100 Hz;
30
VDDA2(ripple) = 100 mV (RMS)
FM to AM switching time CAGC = 22 µF
−
AM AGC settling time CAGC = 22 µF
normal operation
−
test mode
−
TYP.
75
6
4.3
3
180
−
−
290
5
45
600
60
0.5
1
1.25
1.75
40
1 000
−
−
MAX.
120
10
UNIT
µV
µV
4.7
V
4.5
mV
230
mV
500
Ω
500
Ω
340
mV
7
pF
65
µV
900
µV
−
dB
1
%
2
%
2.5
%
3.5
%
−
dB
1500 ms
1800 ms
180
ms
1999 Jul 12
19
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