Philips Semiconductors
New In Car Entertainment car radio tuner IC with
Precision Adjacent Channel Suppression (NICE-PACS)
Product specification
TEA6849H
SYMBOL
PARAMETER
CONDITIONS
MIN.
PINS AMIF2IN AND AMIF2DEC; note 4
Vsens(rms)
sensitivity voltage
AM mode; m = 0
−
(RMS value)
N
counter result (decimal) period = 2 ms;
−
VAMIF2IN-AMIF2DEC = 200 µV
period = 20 ms;
−
VAMIF2IN-AMIF2DEC = 200 µV
Reference frequency for car signal processor IC TEA688x and TEF689x; note 5
REFERENCE FREQUENCY DIVIDER
Nref
crystal oscillator divider
−
ratio
fref
reference frequency
fxtal = 20.5 MHz
−
VOLTAGE GENERATOR: PIN FREF
Vo(p-p)
AC output voltage
not loaded
60
(peak-to-peak value)
VO
DC output voltage
3.2
Ro
output resistance
−
RL(min)
minimum load resistance
1
for first I2C-bus address
Weather band flag: pin WBFLAG
Isource(max)
maximum source current
−
Ri(shunt)
internal shunt resistance to
−
ground
Vo(max)
maximum output voltage measured with respect to
0
for FM mode
pin RFGND
Vo
output voltage for weather measured with respect to
4
band mode
pin RFGND
AM signal channel
AM RF AGC STAGE (PIN DIODE DRIVE)
Vi(p)
RF input voltage for
m = 0.3; data byte 4: bit 5 = 0, −
wideband AGC start level bit 6 = 0
(peak value)
m = 0.3; data byte 4: bit 5 = 1, −
bit 6 = 0
m = 0.3; data byte 4: bit 5 = 0, −
bit 6 = 1
m = 0.3; data byte 4: bit 5 = 1, −
bit 6 = 1
AM IF AGC STAGE INPUT: PIN AMIF2IN
Vi(p)
IF2 input voltage
(peak value)
AGC start level
0.20
TYP.
30
132
40
272
75.368
90
3.4
−
−
−5
50
−
−
150
275
400
525
0.27
MAX. UNIT
70
µV
−
−
−
−
kHz
−
mV
3.7
V
50
kΩ
−
MΩ
−
mA
−
kΩ
0.2
V
5
V
−
mV
−
mV
−
mV
−
mV
0.35 V
2003 Dec 19
16