TDA7346D Просмотр технического описания (PDF) - STMicroelectronics

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TDA7346D

DIGITAL CONTROLLED SURROUND SOUND MATRIX

STMicroelectronics 

TDA7346

ELECTRICAL CHARACTERISTICS (continued)

Symbol

AUDIO OUTPUTS

Parameter

Test Condition

Min. Typ.

VOCL

ROUT

VOUT

GENERAL

Clipping Level

Output resistance

DC Voltage Level

d = 0.3%

2

2.5

100 200

3.5

3.8

NO(OFF)

NO(MOV)

Output Noise (OFF)

Output Noise (Movie)

NO(MUS) Output Noise (Music)

NO(MON) Output Noise (Simulated)

d

Distorsion

SC

Channel Separation

BUS INPUTS

BW = 20Hz to 20KHz

Rout and Lout measurement

Mode =Movie ,

BW = 20Hz to 20KHz

Rout and Lout measurement

Mode = Music ,

BW = 20Hz to 20KHz,

Rout and Lout measurement

Mode = Simulated,

BW = 20Hz to 20KHz

Rout and Lout measurement

Av = 0 ; Vin = 1Vrms

8

30

30

30

0.02

70

VIL

Input Low Voltage

VIH

Input High Voltage

IIN

Input Current

VO

Output Voltage SDA

Acknowledge

IO = 1.6mA

3

-5

0.4

Note:

(1) Bass and Treble response: The center frequency and the resonance quality can be choosen by

the external circuitry. A standard first order bass response can be realized by a standard feedback network.

(2) The peak voltage of the two input signals must be less then VS:

2

(Lin + Rin) peak

•

AVin

<

VS

2

Max. Unit

Vrms

300

Ω

4.1

V

µVrms

µVrms

µVrms

µVrms

0.1

%

dB

1

V

V

+5

µA

0.8

V

5/14

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