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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.

F

noise figure of AM mixer 2

−

IL

mixer leakage current

FM mode

−

AM IF2 AGC STAGE: PINS AMIF2IN AND AMIF2DEC; note 4

Vi

input voltage

VAGC(start)

VAGC(stop)

VAGC(ctrl)

∆AGC

AGC start voltage

AGC stop voltage

AGC control voltage

AGC range

audio attenuation α = −10 dB

data byte 4: bit 4 = 1; mute on −

data byte 4: bit 4 = 0; mute off −

input carrier voltage

−

maximum input peak voltage

1

Vi = 1 mV

4.1

between start and stop of AGC −

Ri

input resistance

1.8

Ci

input capacitance

−

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

THD

maximum signal plus

noise-to-noise ratio

total harmonic distortion

(S+N)/N = 26 dB

−

(S+N)/N = 46 dB

−

m = 0.3; fmod = 400 Hz;

−

BAF = 2.15 kHz; Rgen = 2 kΩ

BAF = 2.15 kHz; CAGC = 10 µF;

VAMIF2IN = 100 µV to 250 mV

(RMS)

tsw

FM to AM switching time

tst

AM AGC settling time

Output: pin AMAFIF2

m = 0.8; fmod = 400 Hz

−

m = 0.8; fmod = 100 Hz

−

VAMIF2IN = 100 µV; CAGC = 10 µF −

VAMIF2IN = 100 µV to 100 mV

−

VAMIF2IN = 100 mV to 100 µV

−

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

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

data byte 3: bit 0 = 1, bit 1 = 0, −

bit 2 = 1; AM mono

TYP.

16

−

25

6

14

−

4.3

89

2

10

45

600

60

0.5

1.25

1 000

400

600

3

180

250

−

−

MAX.

19.5

10

UNIT

dB

µA

40

µV

10

µV

30

µV

−

V

4.7

V

−

dB

2.2

kΩ

15

pF

65

µV

900

µV

−

dB

1

%

2.5

%

1500 ms

600

ms

900

ms

4.5

mV

230

mV

300

mV

500

Ω

500

Ω

2004 Nov 12

19

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