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
Outputs: pins MIX1OUT1 and MIX1OUT2; note 7
Ro
output resistance
output capacitance
mixer bias current
100
−
−
kΩ
pF
mA
V
Co
2
3.5
6
5
Ibias
FM mode
4.8
3
7.2
−
Vo(max)(p-p)
maximum output voltage
(peak-to-peak value)
−
FM mixer
gm(conv)
conversion
transconductance
8.5
12.5
18
mA
--------
V
gm(conv)(T)
conversion
−
−1 × 10−3
−
K−1
transconductance variation
with temperature
F
noise figure
−
−
3
4.6
dB
Rgen(opt)
optimum generator
resistance
200
−
Ω
IP3
3rd-order intermodulation
image rejection ratio
VMIX1OUTwanted
113
25
116
30
−
−
dBµV
IRR
fRFwanted = 87.5 MHz;
fRFimage = 108.9 MHz
dB
--------------------------------------
VMIX1OUTimage
data byte 3 = X010X110;
fRFwanted = 162.475 MHz;
22
30
−
dB
f
RFimage = 183.875 MHz; weather
band mode; fref = 25 kHz
IF AMPLIFIER
G
gain
RL = 330 Ω; VIFAMPIN = 1 mV;
15
17
19
dB
note 8
F
noise figure
−
10
13
dB
IP3
3rd-order intermodulation
113
116
−
dBµV
Inputs: pins IFAMPIN and IFAMPDEC; note 8
Vi(max)(p)
maximum input voltage
(peak value)
1 dB compression point of
IF amplifier output voltage
(peak value)
200
−
−
mV
Vi(n)(eq)
equivalent input noise
voltage
Rgen = 330 Ω; RL = 330 Ω
−
8
10
nV
-----------
Hz
Ri
Ci
input resistance
270
330
5
390
7
Ω
input capacitance
−
pF
Output: pin IFAMPOUT
Vo(max)(p)
maximum output voltage
1.2
1.5
−
V
(peak value)
Ro
Co
output resistance
output capacitance
270
330
5
390
7
Ω
−
pF
2004 Nov 12
22