TEF6902A datasheet(2/106 Pages) NXP

2 / 106 page

TEF6902A_3

Product data sheet

Rev. 03 — 19 March 2008

2 of 106

NXP Semiconductors

TEF6902A

Integrated car radio

I Integrated audio processing and tone ﬁltering

I Treble, bass and loudness tone control

I Volume, balance, fader and input gain control

I Audio controls with Audio Step Interpolation (ASI) for pop-free function

I Compact Disc (CD) dynamics compression

I Volume Unit (VU)-meter audio level read-out

Quick reference data

Table 1.

Quick reference data

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supply voltage

VCC

analog supply voltage on pins VCC,

VCCPLL, VCCVCO, VCCRF,

AMMIX2OUT1, AMMIX2OUT2,

MIX1OUT1 and MIX1OUT2

8.5

Supply current in FM mode

ICC

total supply current inclusive IV60

102

Supply current in AM mode

ICC

total supply current inclusive IV60

-89

AM overall system parameters

ftune

AM tuning frequency

144

288

kHz

522

1710

kHz

2.3

26.1

MHz

Vsens

sensitivity voltage

fRF = 990 kHz; m = 0.3;

fmod = 1 kHz; BAF = 2.15 kHz;

(S+N)/N = 26 dB; dummy aerial

15 pF/60 pF

-50

µV

S/N

ultimate signal-to-noise ratio

THD

total harmonic distortion

200

µV < V

RF < 1 V; m = 0.8;

fAF = 400 Hz

0.4

IP3

3rd-order intercept point

∆f = 40 kHz

130

µV

FM overall system parameters

ftune

FM tuning frequency

108

MHz

Vsens

sensitivity voltage (RF input voltage

at (S+N)/N = 26 dB)

∆f = 22.5 kHz; fmod = 1 kHz;

DEMP = 1; B = 300 Hz to 22 kHz;

measured with 75

Ω dummy

antenna and test circuit

-2

µV

(S+N)/N

maximum signal plus noise-to-noise

ratio of MPXAM output voltage

Vi = 3 mV; ∆f = 22.5 kHz;

fmod = 1 kHz; DEMP = 1;

B = 300 Hz to 22 kHz; measured

with 75

Ω dummy antenna and test

circuit

-60

THD

total harmonic distortion

∆f = 75 kHz

0.5

IP3

3rd-order intercept point

∆f = 400 kHz

120

µV

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