ELECTRICAL CHARACTERISTICS (continued)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

SPEAKER ATTENUATORS

Control Range

35

37.5

40

dB

Step Resolution

0.5

1.25

1.75

dB

Attenuation set error

-1.5

1.5

dB

Output Mute Attenuation

80

90

dB

DC Steps

adjacent att. steps

from 0 to mute

0

1

mV

mV

SPEAKER ATTENUATORS AUX

Control Range

70

75

dB

Step Resolution

Av = 0 to -40dB

0.5

1.25

1.75

dB

Attenuation set error

Av = 0 to 20dB

-1.5

0

1.5

dB

Av = -20 to -60dB

-3

0

2

dB

DC Steps

adjacent att. steps

-3

0

3

mV

Output Mute Attenuation

80

90

dB

AUDIO OUTPUTS

Clipping Level

d = 0.3%

2

2.5

Vrms

Output resistance

100

200

300

Ω

DC Voltage Level

4.2

4.5

4.8

V

GENERAL

Output Noise (OFF)

Output R and L

Output AUX R and L

8

15

15

30

µVrms

µVrms

Output Noise (Movie)

Mode =Movie ,

30

µVrms

Output Noise (Music)

Mode = Music ,

30

µVrms

Output Noise (Simulated)

Mode = Simulated,

30

µVrms

d

Distorsion

0.02

0.1

%

Channel Separation

60

70

dB

BUS INPUTS

Input Low Voltage

1V

Input High Voltage

3

V

Input Current

-5

+5

µA

Output Voltage SDA

Acknowledge

0.4

0.8

V

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 peack voltage of the two input signals must be less then

2

:

2

TDA7344

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