TDA7430_04 datasheet(7/23 Pages) STMICROELECTRONICS

Part #	TDA7430

Description	DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX AND VOICE CANCELLER

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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TDA7430 - TDA7431

EFFECT CONTROL

CRANGE

Control Range

±13.0

6

dB

SSTEP

Step Resolution

0.5

1

1.5

dB

SURROUND SOUND MATRIX

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

GOFF

In-phase Gain (OFF)

Mode OFF, Input signal of 1kHz,

1.4 Vp-p, Rin → Rout , Lin → Lout

-1

0

1

dB

DGOFF

LR In-phase Gain Difference

(OFF)

Mode OFF, Input signal of 1kHz,

1.4 Vp-p, Rin → Rout , Lin → Lout

-1

0

1

dB

GMOV

In-phase Gain (Movie)

Movie mode, Effect Ctrl = -6dB

1kHz, 1.4 Vp-p,

Rin → Rout , Lin → Lout

8dB

DGMOV

LR In-phase Gain Difference

(Movie)

Movie mode, Effect Ctrl = -6dB

Input signal of 1kHz, 1.4 Vp-p

(Rin → Rout) - (Lin → Lout)

0dB

GMUS

In-phase Gain (Music)

Music mode, Effect Ctrl = -6dB

Input signal of 1kHz, 1.4 Vp-p

(Rin → Rout) , (Lin → Lout)

7dB

DGMUS

LR In-phase Gain Difference

(Music)

Music mode, Effect Ctrl = -6dB

Input signal of 1kHz, 1.4 Vp-p

(Rin → Rout) , (Lin → Lout)

0dB

LMON1

Simulated L Output 1

Simulated Mode, Effect Ctrl = -6dB

Input signal of 250Hz,

1.4 Vp-p, Rin and Lin

→ Lout

4.5

dB

LMON2

Simulated L Output 2

Simulated Mode, Effect Ctrl = -6dB

Input signal of 1kHz,

1.4 Vp-p, Rin and Lin

→ L

out

–4.0

dB

LMON3

Simulated L Output 3

Simulated Mode, Effect Ctrl = -6dB

Input signal of 3.6kHz,

1.4 Vp-p, Rin and Lin

→ L

out

7.0

dB

RMON1

Simulated R Output 1

Simulated Mode, Effect Ctrl = -6dB

Input signal of 250Hz,

1.4 Vp-p, Rin and Lin

→ R

out

– 4.5

dB

RMON2

Simulated R Output 2

Simulated Mode, Effect Ctrl = -6dB

Input signal of 1kHz,

1.4 Vp-p, Rin and Lin

→ R

out

3.8

dB

RMON3

Simulated R Output 3

Simulated Mode, Effect Ctrl = -6dB

Input signal of 3.6kHz,

1.4 Vp-p, Rin and Lin

→ R

out

– 20

dB

RLP1

Low Pass Filter Resistance

7

10

13

K

Ω

RHPI

High Pass Filter Resistance

42

60

78

K

Ω

RLPF

LP Pin Impedance

7

10

13

K

Ω

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Table 5. Electrical Characteristcs (continued)

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