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TDA7464 数据表(PDF) 5 Page - STMicroelectronics

部件名 TDA7464
功能描述  DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLER
PDF  21 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7464 数据表(HTML) 5 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
RMON1
Simulated R Output 1
Simulated Mode, Effect Ctrl = -6dB
Input signal of 250Hz,
1.4 Vp-p,Rin and Lin
→Rout
– 4.5
dB
RMON2
Simulated R Output 2
Simulated Mode, Effect Ctrl = -6dB
Input signal of 1kHz,
1.4 Vp-p,Rin and Lin
→Rout
3.8
dB
RMON3
Simulated R Output 3
Simulated Mode, Effect Ctrl = -6dB
Input signal of 3.6kHz,
1.4 Vp-p,Rin and Lin
→ Rout
–20
dB
RLP1
Low Pass Filter Resistance
7.5
10
12.5
K
Ω
RHPI
High Pass Filter Resistance
45
60
75
K
Ω
RLPF
LP Pin Impedance
7.5
10
12.5
K
Ω
STANDARD SURROUND SOUND EFFECT CONTROL
CRANGE
Control Range
- 21
- 6
dB
SSTEP
Step Resolution
1
dB
SURROUND SOUND MATRIX PHASE
RPS10
Phase Shifter 1: D1 = 0, D0 = 0
8.8
11.8
14.8
K
Ω
RPS11
Phase Shifter 1: D1 = 0, D0 = 1
10.6
14.1
17.6
K
Ω
RPS12
Phase Shifter 1: D1 = 1, D0 = 0
13.4
17.9
22.4
K
Ω
RPS13
Phase Shifter 1: D1 = 1, D0 = 1
28
37.3
46.6
K
Ω
RPS20
Phase Shifter 2: D3 = 0, D2 = 0
4.2
5.6
7
K
Ω
RPS21
Phase Shifter 2: D3 = 0, D2 = 1
5.1
6.8
8.5
K
Ω
RPS22
Phase Shifter 2: D3 = 1, D2 = 0
6.3
8.4
10.5
K
Ω
RPS23
Phase Shifter 2: D3 = 1, D2 = 1
13.7
18.3
22.9
K
Ω
RPS30
Phase Shifter 3: D5 = 0, D4 = 0
9
12.1
15.1
K
Ω
RPS31
Phase Shifter 3: D5 = 0, D4 = 1
10.9
14.5
18.1
K
Ω
RPS32
Phase Shifter 3: D5 = 1, D4 = 0
13.6
18.1
22.6
K
Ω
RPS33
Phase Shifter 3: D5 = 1, D4 = 1
29.3
39.1
48.9
K
Ω
RPS40
Phase Shifter 4: D7 = 0, D6 = 0
9
12.1
15.1
K
Ω
RPS41
Phase Shifter 4: D7 = 0, D6 = 1
10.9
14.5
18.1
K
Ω
RPS42
Phase Shifter 4: D7 = 1, D6 = 0
13.6
18.1
22.6
K
Ω
RPS43
Phase Shifter 4: D7 = 1, D6 = 1
29.3
39.1
48.9
K
Ω
SRS SURROUND SOUND MATRIX
CENTER
SRS Control Range
-31
0
dB
StepC
Center Step Resolution
1
dB
SPACE
SRS Space Control Range
-31
0
dB
StepS
Space Step Resolution
1
dB
PERSP1
Perspective 1
Input Signal of 125Hz
SPACE = 0dB, CENTER = MUTE
Rin = GND; Lin
→ ROUT
12
dB
PERSP2
Perspective 2
Input Signal of 2.15KHz
SPACE = 0dB, CENTER = MUTE
Rin = GND; Lin
→ ROUT
0dB
L+R
L+ R SRS Curve
SPACE = MUTE, CENTER =0dB
Rin = GND; Lin
→ ROUT
-8.5
dB
L, R
L, R SRS Curve
SPACE = MUTE,
CENTER = MUTE
Rin = GND; Lin
→ LOUT
Lin = GND; Rin
→ ROUT
-13.4
dB
TDA7464
5/21



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