TDA7345 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7345

DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX

STMicroelectronics 

TDA7345

ELECTRICAL CHARACTERISTICS (continued)

SURROUND SOUND MATRIX

Symbol

GOFF

Parameter

In-phase Gain (OFF)

DGOFF

GMOV1

LR In-phase Gain Difference

(OFF)

In-phase Gain (Movie 1)

GMOV2 In-phase Gain (Movie 2)

DGMOV

GMUS1

LR In-phase Gain Diffrence

(Movie)

In-phase Gain (Music 1)

GMUS2 In-phase Gain (Music 2)

DGMUS

LMON1

LR In-phase Gain Difference

(Music)

Simulated L Output 1

LMON2

Simulated L Output 2

LMON3

Simulated L Output 3

RMON1 Simulated R Output 1

RMON2 Simulated R Output 2

RMON3 Simulated R Output 3

RLP1

RPS1

RPS2

RPS3

RPS2

RHPI

RL PF

Low Pass Filter Resistance

Phase Shifter 1 Resistance

Phase Shifter 2 Resistance

Phase Shifter 3 Resistance

Phase Shifter 4 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

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

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.

-1.5

-1.5

7.5

13.5

0.30

13.6

13.6

45

7.5

Typ.

0

Max.

1.5

0

1.5

7

8

0

6

7.5

0

4.5

– 4.0

7.0

– 4.5

3.8

– 20

10 12.5

17.95 22.5

0.40 0.50

18.08 22.6

18.08 22.6

60

75

10 12.5

Unit

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

dB

KΩ

kΩ

KΩ

KΩ

KΩ

KΩ

KΩ

5/18

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