Philips Semiconductors
Product specification
New In Car Entertainment car radio tuner IC with
Precision Adjacent Channel Suppression (NICE-PACS)
TEA6848H
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
F
noise figure of AM mixer 2
mixer leakage current
−
−
16
19.5
10
dB
IL
FM mode
−
µA
AM IF2 AGC STAGE: PINS AMIF2IN AND AMIF2DEC; note 4
Vi
input voltage
audio attenuation α = −10 dB
data byte 4: bit 4 = 1; mute on
data byte 4: bit 4 = 0; mute off
input carrier voltage
−
−
−
1
25
6
40
10
30
−
µV
µV
µV
V
VAGC(start)
VAGC(stop)
VAGC(ctrl)
∆AGC
Ri
AGC start voltage
AGC stop voltage
AGC control voltage
AGC range
14
−
maximum input peak voltage
Vi = 1 mV
4.1
−
4.3
89
2
4.7
−
V
between start and stop of AGC
dB
kΩ
pF
input resistance
input capacitance
1.8
−
2.2
15
Ci
10
AM DETECTOR
Vsens(rms)
sensitivity voltage
(RMS value)
m = 0.3; fmod = 400 Hz;
BAF = 2.15 kHz; Rgen = 2 kΩ;
note 4
(S+N)/N = 26 dB
(S+N)/N = 46 dB
−
−
−
45
65
900
−
µV
µV
dB
600
60
(S+N)/N
THD
maximum signal plus
noise-to-noise ratio
m = 0.3; fmod = 400 Hz;
BAF = 2.15 kHz; Rgen = 2 kΩ
total harmonic distortion
BAF = 2.15 kHz; CAGC = 10 µF;
VAMIF2IN = 100 µV to 250 mV
(RMS)
m = 0.8; fmod = 400 Hz
−
−
−
−
−
0.5
1
%
m = 0.8; fmod = 100 Hz
1.25
1000
400
600
2.5
1500
600
900
%
tsw
tst
FM to AM switching time
AM AGC settling time
VAMIF2IN = 100 µV; CAGC = 10 µF
VAMIF2IN = 100 µV to 100 mV
VAMIF2IN = 100 mV to 100 µV
ms
ms
ms
Output: pin AMAFIF2
Vo(rms)
AM IF2 output voltage
(RMS value)
AM stereo; m = 0; data byte 3:
bit 0 = 1, bit 1 = 1, bit 2 = 1
minimum at VAMIF2IN = 14 µV 1.5
maximum at VAMIF2IN = 5 mV 130
3
4.5
mV
mV
mV
180
250
230
300
AM mono; m = 0.3; data byte 3: 200
bit 0 = 1, bit 1 = 0, bit 2 = 1;
fmod = 400 Hz;
VAMIF2IN = 100 µV to 500 mV
(RMS)
Ro
output resistance
data byte 3: bit 0 = 1, bit 1 = 1,
bit 2 = 1; AM stereo
−
−
−
−
500
500
Ω
Ω
data byte 3: bit 0 = 1, bit 1 = 0,
bit 2 = 1; AM mono
2004 Nov 12
19
NXP [ NXP ]
