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TDA7466

DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLER

STMicroelectronics 

TDA7466

ELECTRICAL CHARACTERISTICS (continued)

Symbol

SUPPLY

Parameter

Test Condition

AVO3

Voice Canceller Output 3

RLPV

Low Pass Filter Resistance

BASS CONTROL

Gb

Control Range

BSTEP

Step Resolution

RB

Internal Feedback Resistance

MIDDLE CONTROL

Gm

Control Range

MSTEP

Step Resolution

RM

Internal Feedback Resistance

TREBLE CONTROL

Gt

Control Range

TSTEP

Step Resolution

LIN = -RIN, Vmix = 0V FIX,

0dB attenuation

Max. Boost/cut

Max. Boost/cut

Max. Boost/cut

Min. Typ. Max. Unit

5

6

7

dB

24

32

40

KΩ

+12.0 +14.0 +16.0 dB

1

2

3

dB

33

44

55

KΩ

+12.0 +14.0 +16.0 dB

1

2

3

dB

18.75 25 31.25 KΩ

+13.0 +14.0 +15.0 dB

1

2

3

dB

STANDARD SURROUND SOUND MATRIX

TEST CONDITION (Phase Resistor Selection D0=0, D1=1, D2=0. D3=1, D4=0, D5=1, D6=0, D7=1

Symbol

GOFF

Parameter

In-phase Gain (OFF)

DGOFF

GMOV

LR In-phase Gain Difference

(OFF)

In-phase Gain (Movie)

DGMOV

GMUS

LR In-phase Gain Difference

(Movie)

In-phase Gain (Music)

DGMUS

LMON1

LR In-phase Gain Difference

(Music)

Simulated L Output 1

LMON2

Simulated L Output 2

LMON3

Simulated L Output 3

Test Condition

Mode OFF, Input signal of

1kHz, 1.4 Vp-p, Rin → Rout

Lin → Lout

Mode OFF, Input signal of

1kHz, 1.4 Vp-p

Rin → Rout, Lin → Lout

Movie mode, Effect Ctrl = -6dB

Input signal of 1kHz, 1.4 Vp-p

Rin → Rout, Lin → Lout

Movie mode, Effect Ctrl = -6dB

Input signal of 1kHz, 1.4 Vp-p

(Rin → Rout) – (Lin → Lout)

Music mode, Effect Ctrl = -6dB

Input signal of 1kHz, 1.4 Vp-p

(Rin → Rout), (Lin → Lout)

Music mode, Effect Ctrl = -6dB

Input signal of 1kHz, 1.4 Vp-p

(Rin → Rout) - (Lin → Lout)

Simulated Mode, Effect Ctrl = -6dB

Input signal of 250Hz,

1.4 Vp-p, Rin and Lin → Lout

Simulated Mode, Effect Ctrl = -6dB

Input signal of 1kHz,

1.4 Vp-p, Rin and Lin → Lout

Simulated Mode, Effect Ctrl = -

6dB

Input signal of 3.6kHz,

1.4 Vp-p, Rin and Lin → Lout

Min.

-1

-1

Typ.

0

0

8

0

7

0

4.5

– 4.0

7.0

Max.

1

1

Unit

dB

dB

dB

dB

dB

dB

dB

dB

dB

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