TDA7466_03 Datasheet, PDF (5/21 Pages) STMicroelectronics – DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLER

TDA7466
ELECTRICAL CHARACTERISTICS (continued)
Symbol
R_MON1
Parameter
Simulated R Output 1
RMON2 Simulated R Output 2
R_MON3 Simulated R Output 3
R_LP1
R_HPI
R_LPF
Low Pass Filter Resistance
High Pass Filter Resistance
LP Pin Impedance
Test Condition
Simulated Mode, Effect Ctrl = -6dB
Input signal of 250Hz,
1.4 V_p-p, R_in and L_in →R_out
Simulated Mode, Effect Ctrl = -6dB
Input signal of 1kHz,
1.4 Vp-p, Rin and Lin →Rout
Simulated Mode, Effect Ctrl = -6dB
Input signal of 3.6kHz,
1.4 V_p-p, R_in and L_in → R_out
STANDARD SURROUND SOUND EFFECT CONTROL
C_RANGE
SSTEP
Control Range
Step Resolution
SURROUND SOUND MATRIX PHASE
R_PS10
R_PS11
R_PS12
Phase Shifter 1: D1 = 0, D0 = 0
Phase Shifter 1: D1 = 0, D0 = 1
Phase Shifter 1: D1 = 1, D0 = 0
RPS13
Phase Shifter 1: D1 = 1, D0 = 1
RPS20
Phase Shifter 2: D3 = 0, D2 = 0
R_PS21
Phase Shifter 2: D3 = 0, D2 = 1
R_PS22
R_PS23
R_PS30
Phase Shifter 2: D3 = 1, D2 = 0
Phase Shifter 2: D3 = 1, D2 = 1
Phase Shifter 3: D5 = 0, D4 = 0
R_PS31
Phase Shifter 3: D5 = 0, D4 = 1
RPS32
Phase Shifter 3: D5 = 1, D4 = 0
R_PS33
Phase Shifter 3: D5 = 1, D4 = 1
R_PS40
RPS41
R_PS42
R_PS43
Phase Shifter 4: D7 = 0, D6 = 0
Phase Shifter 4: D7 = 0, D6 = 1
Phase Shifter 4: D7 = 1, D6 = 0
Phase Shifter 4: D7 = 1, D6 = 1
Min.
7.5
45
7.5
- 21
8.8
10.6
13.4
28
4.2
5.1
6.3
13.7
9
10.9
13.6
29.3
9
10.9
13.6
29.3
Typ.
– 4.5
3.8
– 20
10
60
10
1
11.8
14.1
17.9
37.3
5.6
6.8
8.4
18.3
12.1
14.5
18.1
39.1
12.1
14.5
18.1
39.1
Max.
12.5
75
12.5
-6
14.8
17.6
22.4
46.6
7
8.5
10.5
22.9
15.1
18.1
22.6
48.9
15.1
18.1
22.6
48.9
Unit
dB
dB
dB
KΩ
KΩ
KΩ
dB
dB
KΩ
KΩ
KΩ
KΩ
KΩ
KΩ
KΩ
KΩ
KΩ
KΩ
KΩ
KΩ
KΩ
KΩ
KΩ
KΩ
SRS SURROUND SOUND MATRIX
CENTER
Step_C
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
-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
Rin = GND; Lin → ROUT
-8.5
dB
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