TDA7467 Datasheet, PDF (4/11 Pages) STMicroelectronics – AUDIO MATRIX WITH SRS EFFECTS

TDA7467
ELECTRICAL CHARACTERISTICS (continued)
Symbol
AUDIO OUTPUTS
Parameter
Test Condition
N_{o (Off)}
Output Noise (OFF)
N_{o (srs)}
d
S_C
V_ocl
R_out
V_out
Output noise (srs)
Surround Sound
Distortion
Channel Separation
Clipping Level
Output Resistance
DC Voltage Level
BUS INPUTS
V_il
Input Low Voltage
V_ih
Input High Voltage
I_in
Input Current
V_o
Output Voltage SDA
Acknowledge
Output muted, Flat
BW (20Hz to 20KHz)
BW (20Hz to 20KHz)
A_V = 0; V_in = 1Vrms
d = 0.3%
I_O =1.6mA
Min. Typ. Max. Unit
4
µVrms
5
µVrms
50
µVrms
0.01 0.1
%
90
dB
2
2.5
Vrms
30
Ω
3.8
V
1
V
3
V
-5
5
µA
0.4
V
SRS SURROUND SOUND MATRIX
CENTER
StepC
SPACE
Step_S
P_ERSP1
SRS Control Range
Center Step Resolution
SRS Space Control Range
Space Step Resolution
Perspective 1
P_ERSP2 Perspective 2
L+R
L+ R SRS Curve
L, R
L, R SRS Curve
-31
0
dB
1
dB
-31
0
dB
1
dB
Input Signal of 125Hz
12
dB
SPACE = 0dB, CENTER = MUTE
Rin = GND; Lin → ROUT
Input Signal of 2.15KHz
0
dB
SPACE = 0dB, CENTER = MUTE
Rin = GND; Lin → ROUT
SPACE = MUTE, CENTER =0dB
-8.5
dB
Rin = GND; Lin → ROUT
SPACE = MUTE, CENTER =0dB
-13.4
dB
Rin = GND; Lin → LOUT
Lin = GND; Rin → ROUT
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