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TDA7429T
(Rev.:1999)

DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX

STMicroelectronics 

TDA7429S - TDA7429T

ELECTRICAL CHARACTERISTICS (continued)

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

RPS21

RPS22

RPS23

RPS30

RPS31

RPS32

RPS33

RPS40

RPS41

RPS42

RPS43

GOFF

DGOFF

GMOV

DGMOV

GMUS

DGMUS

LMON1

LMON2

LMON3

RMON1

RMON2

RMON3

RLP1

RHPI

RL PF

Parameter

Phase Shifter 2: D3 = 0, D2 = 1

Phase Shifter 2: D3 = 1, D2 = 0

Phase Shifter 2: D3 = 1, D2 = 1

Phase Shifter 3: D5 = 0, D4 = 0

Phase Shifter 3: D5 = 0, D4 = 1

Phase Shifter 3: D5 = 1, D4 = 0

Phase Shifter 3: D5 = 1, D4 = 1

Phase Shifter 4: D7 = 0, D6 = 0

Phase Shifter 4: D7 = 0, D6 = 1

Phase Shifter 4: D7 = 1, D6 = 0

Phase Shifter 4: D7 = 1, D6 = 1

In-phase Gain (OFF)

LR In-phase Gain Difference

(OFF)

In-phase Gain (Movie)

LR In-phase Gain Difference

(Movie)

In-phase Gain (Music)

LR In-phase Gain Difference

(Music)

Simulated L Output 1

Simulated L Output 2

Simulated L Output 3

Simulated R Output 1

Simulated R Output 2

Simulated R Output 3

Low Pass Filter Resistance

High Pass Filter Resistance

LP Pin Impedance

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, EffectCtrl = -6dB

Input signal of 250Hz,

1.4 Vp-p, Rin and Lin → Lout

Simulated Mode, EffectCtrl = -6dB

Input signal of 1kHz,

1.4 Vp-p, Rin and Lin → Lout

Simulated Mode, EffectCtrl = -6dB

Input signal of 3.6kHz,

1.4 Vp-p, Rin and Lin → Lout

Simulated Mode, EffectCtrl = -6dB

Input signal of 250Hz,

1.4 Vp-p, Rin and Lin →Rout

Simulated Mode, EffectCtrl = -6dB

Input signal of 1kHz,

1.4 Vp-p, Rin and Lin →Rout

Simulated Mode, EffectCtrl = -6dB

Input signal of 3.6kHz,

1.4 Vp-p, Rin and Lin → Rout

Min.

4.8

6

12.9

8.5

10.2

12.7

27.4

8.5

10.2

12.7

27.4

-1

-1

7

42

7

Typ.

6.8

8.4

18.3

12.1

14.5

18.1

39.1

12.1

14.5

18.1

39.1

0

Max.

8.7

10.9

23.7

15.6

18.7

23.3

50.75

15.6

18.7

23.3

50.75

1

0

1

8

0

7

0

4.5

–4.0

7.0

– 4.5

3.8

– 20

10

13

60

78

10

13

Unit

KΩ

KΩ

KΩ

KΩ

KΩ

KΩ

KΩ

KΩ

KΩ

KΩ

KΩ

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

KΩ

KΩ

KΩ

7/20

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