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TEA6848H

New In Car Entertainment car radio tuner IC with Precision Adjacent Channel Suppression (NICE-PACS)

Philips Electronics 

Philips Semiconductors

New In Car Entertainment car radio tuner IC with

Precision Adjacent Channel Suppression (NICE-PACS)

Product specification

TEA6848H

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

2004 Nov 12

16

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