Philips Semiconductors
Product specification
New In Car Entertainment car radio tuner IC with
Precision Adjacent Channel Suppression (NICE-PACS)
TEA6848H
SYMBOL
VAGC
PARAMETER
CONDITIONS
MIN.
1.9
TYP.
2.2
MAX. UNIT
AM noise blanker AGC
voltage
AM mixer 1 input Vi = 0 V
2.5
V
FM signal channel
FM RF AGC (FM DISTANCE MODE; DATA BYTE 4: BIT 3 = 0)
Inputs: pins FMMIXIN1 and FMMIXIN2; note 10
Vi(RF)(rms)
RF input voltage for start of data byte 4: bit 5 = 1, bit 6 = 1
−
−
−
−
3
−
−
−
−
mV
mV
mV
mV
wideband AGC
(RMS value)
data byte 4: bit 5 = 0, bit 6 = 1
data byte 4: bit 5 = 1, bit 6 = 0
data byte 4: bit 5 = 0, bit 6 = 0
6
9
12
Pin TFMAGC
Rsource
VO(ref)
source resistance
4
5
6
kΩ
DC output reference
voltage
data byte 4: bit 5 = 0, bit 6 = 0;
4.1
4.6
5.1
V
V
FMMIXIN1-FMMIXIN2 = 0 V
PIN diode drive output: pin IFMAGC
Isink(AGC)(max)
maximum AGC sink
current
VIFMAGC = 2.5 V;
8
11.5
15
mA
mA
VTFMAGC = VO(ref) − 0.5 V;
data byte 4: bit 5 = 0, bit 6 = 0,
bit 7 = 0
Isource(AGC)(max) maximum AGC source
current
VIFMAGC = 2.5 V;
−15
−11.5
−8
VTFMAGC = VO(ref) + 0.5 V;
data byte 4: bit 5 = 0, bit 6 = 0,
bit 7 = 0
Isource(AGC)
AGC source current
AM mode
−15
−11.5
−0.5
−8
mA
mA
VIFMAGC = 2.5 V; data byte 4:
bit 3 = 1 (FM local)
−0.65
−0.35
Level voltage output: pin Vlevel(AMFM)
Vth
threshold voltage for
narrow-band AGC
data byte 4: bit 5 = 0, bit 6 = 0,
bit 7 = 1; keyed AGC
500
950
1400
mV
FM RF MIXER
Reference voltage: pin Vref(MIX)
Vref reference voltage
FM mode
AM mode
6.5
2.7
7.1
3.1
7.9
3.4
V
V
Inputs: pins FMMIXIN1 and FMMIXIN2; note 10
Vi(RF)(max) maximum RF input voltage 1 dB compression point of
70
100
2.6
−
mV
FM mixer output voltage
(peak-to-peak value)
Vi(n)(eq)
equivalent input noise
voltage
Rgen = 200 Ω; RL = 2.6 kΩ
−
3.1
nV
-----------
Hz
Ri
Ci
input resistance
1.4
2.8
5
4.2
7
kΩ
input capacitance
−
pF
2004 Nov 12
21
NXP [ NXP ]
