TEA6843 查看數據表（PDF） - Philips Electronics
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TEA6843 Datasheet PDF : 62 Pages
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Philips Semiconductors
New In Car Entertainment (NICE)
extended car radio
Product specification
TEA6843HL
SYMBOL
PARAMETER
CONDITIONS
MIN.
F
noise figure of AM
−
mixer 2
Ibias
mixer bias current
AM mode
3.6
IL
mixer leakage current FM mode
−
IF2 AGC STAGE: PINS AMIF2IN AND AMIF2DEC
VAGC(start)
VAGC(stop)
VAGC(ctrl)
∆AGC
AGC start voltage
AGC stop voltage
AGC control voltage
AGC range
input carrier voltage
−
maximum input peak voltage 1
VAMIF2IN = 1 mV
4.1
between start and stop of AGC −
Ri
input resistance
1.8
Ci
input capacitance
−
Vi
input voltage
audio attenuation α = −10 dB
data byte 5: bit 4 = 1; mute on 10
data byte 5: bit 4 = 0; mute off −
Vsens(rms)
sensitivity voltage
(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
−
AM DETECTOR OUTPUT: PIN AMAFIF2; see Fig.3
Vo(min)(rms)
minimum AM IF2
output level
(RMS value)
data byte 4: bit 0 = 1, bit 1 = 1; 1.5
m = 0; VAMIF2IN = 14 µV
Vo(max)(rms)
maximum AM IF2
output level
(RMS value)
data byte 4: bit 0 = 1, bit 1 = 1; 130
m = 0; VAMIF2IN = 5 mV
Vo(rms)
AM AF output voltage data byte 4: bit 0 = 1, bit 1 = 0; 235
level (RMS value)
m = 0.3; fmod = 400 Hz;
VAMIF2IN = 100 µV to 500 mV
(RMS)
Ro
output resistance
data byte 4: bit 0 = 1, bit 1 = 1 −
Co
output capacitance data byte 4: bit 0 = 1, bit 1 = 0 −
ZL
load impedance
data byte 4: bit 0 = 1, bit 1 = 0 100
data byte 4: bit 0 = 1, bit 1 = 1 10
RR
ripple rejection
fripple = 100 Hz;
30
VDDA5(ripple) = 100 mV (RMS)
AM DETECTOR; see Fig.3
(S+N)/N
maximum signal plus m = 0.3; fmod = 400 Hz;
54
noise-to-noise ratio
BAF = 2.5 kHz; Rsource = 2 kΩ
TYP.
16
4.5
−
14
−
4.3
89
2
−
22
6
45
600
3
180
285
−
5
−
−
40
60
MAX. UNIT
19.5 dB
5.4
mA
50
µA
30
µV
−
V
4.7
V
−
dB
2.2
kΩ
5
pF
37
µV
12
µV
65
µV
900
µV
4.5
mV
230
mV
340
mV
500
Ω
7
pF
−
kΩ
−
kΩ
−
dB
70
dB
2003 Dec 19
18
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