TDA7464 STMicroelectronics, TDA7464 Datasheet - Page 5

• Manufacturer Part Number: TDA7464
• Description: IC PROCESSOR AUDIO DGTL 44-TQFP
• Manufacturer: STMicroelectronics
• Type: Audio Processorr

Specifications of TDA7464

• Applications: Automotive Systems
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
SRS SURROUND SOUND MATRIX
STANDARD SURROUND SOUND EFFECT CONTROL
SURROUND SOUND MATRIX PHASE
CENTER
Symbol
SPACE
C
P
P
R
R
R
Step
S
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Step
R
R
R
RANGE
L+R
L, R
ERSP1
ERSP2
MON1
MON2
MON3
STEP
PS10
PS11
PS12
PS13
PS20
PS21
PS22
PS23
PS30
PS31
PS32
PS33
PS40
PS41
PS42
PS43
LPF
LP1
HPI
C
S
Simulated R Output 1
Simulated R Output 2
Simulated R Output 3
Low Pass Filter Resistance
High Pass Filter Resistance
LP Pin Impedance
Control Range
Step Resolution
Phase Shifter 1: D1 = 0, D0 = 0
Phase Shifter 1: D1 = 0, D0 = 1
Phase Shifter 1: D1 = 1, D0 = 0
Phase Shifter 1: D1 = 1, D0 = 1
Phase Shifter 2: D3 = 0, D2 = 0
Phase Shifter 2: D3 = 0, D2 = 1
Phase Shifter 2: D3 = 1, D2 = 0
Phase Shifter 2: D3 = 1, D2 = 1
Phase Shifter 3: D5 = 0, D4 = 0
Phase Shifter 3: D5 = 0, D4 = 1
Phase Shifter 3: D5 = 1, D4 = 0
Phase Shifter 3: D5 = 1, D4 = 1
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
SRS Control Range
Center Step Resolution
SRS Space Control Range
Space Step Resolution
Perspective 1
Perspective 2
L+ R SRS Curve
L, R SRS Curve
Parameter
Simulated Mode, Effect Ctrl = -6dB
Input signal of 250Hz,
1.4 V
Simulated Mode, Effect Ctrl = -6dB
Input signal of 1kHz,
1.4 V
Simulated Mode, Effect Ctrl = -6dB
Input signal of 3.6kHz,
1.4 V
Input Signal of 125Hz
SPACE = 0dB, CENTER = MUTE
R
Input Signal of 2.15KHz
SPACE = 0dB, CENTER = MUTE
R
SPACE = MUTE, CENTER =0dB
R
SPACE = MUTE,
CENTER = MUTE
R
L
in
in
in
in
in
= GND; Ri
= GND; Li
= GND; Li
= GND; Li
= GND; Li
p-p
p-p
p-p
, R
, R
, R
Test Condition
in
in
in
and L
and L
and L
n
n
n
n
n
in
in
in
R
R
R
L
R
OUT
OUT
OUT
OUT
OUT
R
R
R
out
out
out
Min.
10.6
13.4
13.7
10.9
13.6
29.3
10.9
13.6
29.3
- 21
7.5
7.5
8.8
4.2
5.1
6.3
-31
28
45
9
9
– 4.5
-13.4
Typ.
– 20
14.1
17.9
37.3
18.3
12.1
14.5
18.1
39.1
12.1
14.5
18.1
39.1
11.8
-8.5
-31
3.8
5.6
6.8
8.4
10
60
10
12
1
1
1
0
Max.
12.5
12.5
14.8
17.6
22.4
46.6
10.5
22.9
15.1
18.1
22.6
48.9
15.1
18.1
22.6
48.9
8.5
- 6
75
0
0
7
TDA7464
Unit
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
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