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TDA7467D

AUDIO MATRIX WITH SRS EFFECTS

STMicroelectronics 

TDA7467

ELECTRICAL CHARACTERISTCS (continued)

Refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10KΩ, Vin = 1Vrms; RG = 600Ω, all controls flat

(G = 0dB), Effect Ctrl = -6dB, MODE = OFF; f = 1KHz unless otherwise specified

Symbol

Parameter

Test Condition

Min. Typ. Max. Unit

AUDIO OUTPUTS

No(Off) Output Noise (OFF)

No(srs) Output noise (srs)

Surround Sound

Output muted, Flat

BW (20Hz to 20KHz)

BW (20Hz to 20KHz)

4

µVrms

5

µVrms

50

µVrms

d

Distortion

AV = 0; Vin = 1Vrms

0.01 0.1

%

SC Channel Separation

90

dB

Vocl Clipping Level

d = 0.3%

2

2.5

Vrms

Rout Output Resistance

30

Ω

Vout DC Voltage Level

3.8

V

BUS INPUTS

Vil Input Low Voltage

t(s) Vih Input High Voltage

c Iin Input Current

du Vo Output Voltage SDA

ro Acknowledge

P SRS SURROUND SOUND MATRIX

te CENTE SRS Control Range

R

le StepC Center Step Resolution

so SPACE SRS Space Control Range

b StepS Space Step Resolution

O PERSP1 Perspective 1

t(s) - PERSP2 Perspective 2

roduc L+R L+ R SRS Curve

Obsolete P L, R L, R SRS Curve

IO =1.6mA

1

V

3

V

-5

5

µA

0.4

V

-31

0

dB

Input Signal of 125Hz

SPACE = 0dB, CENTER = MUTE

Rin = GND; Lin → ROUT

Input Signal of 2.15KHz

SPACE = 0dB, CENTER = MUTE

Rin = GND; Lin → ROUT

SPACE = 0dB, CENTER = MUTE

Rin = GND; Lin → ROUT

SPACE = 0dB, CENTER = MUTE

Rin = GND; Lin → LOUT

Lin = GND; Rin → ROUT

1

dB

-31

0

dB

1

dB

12

dB

0

dB

-8.5

dB

-13.4

dB

4/11

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