TDA7464 查看數據表（PDF） - STMicroelectronics
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产品描述 (功能)
生产厂家
TDA7464
STMicroelectronics
TDA7464 Datasheet PDF : 21 Pages
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TDA7464
ELECTRICAL CHARACTERISTICS (continued)
Symbol
SUPPLY
Parameter
Test Condition
AVO3
Voice Canceller Output 3
RLPV
Low Pass Filter Resistance
BASS CONTROL
Gb
Control Range
BSTEP
Step Resolution
RB
Internal Feedback Resistance
MIDDLE CONTROL
Gm
Control Range
MSTEP
Step Resolution
RM
Internal Feedback Resistance
TREBLE CONTROL
Gt
Control Range
TSTEP
Step Resolution
LIN = -RIN, Vmix = 0V FIX,
0dB attenuation
Max. Boost/cut
Max. Boost/cut
Max. Boost/cut
Min. Typ. Max. Unit
5
6
7
dB
24
32
40
KΩ
+12.0 +14.0 +16.0 dB
1
2
3
dB
33
44
55
KΩ
+12.0 +14.0 +16.0 dB
1
2
3
dB
18.75 25 31.25 KΩ
+13.0 +14.0 +15.0 dB
1
2
3
dB
STANDARD SURROUND SOUND MATRIX
TEST CONDITION (Phase Resistor Selection D0=0, D1=1, D2=0. D3=1, D4=0, D5=1, D6=0, D7=1
Symbol
GOFF
Parameter
In-phase Gain (OFF)
DGOFF
GMOV
LR In-phase Gain Difference
(OFF)
In-phase Gain (Movie)
DGMOV
GMUS
LR In-phase Gain Difference
(Movie)
In-phase Gain (Music)
DGMUS
LMON1
LR In-phase Gain Difference
(Music)
Simulated L Output 1
LMON2
Simulated L Output 2
LMON3
Simulated L Output 3
Test Condition
Mode OFF, Input signal of
1kHz, 1.4 Vp-p, Rin → Rout
Lin → Lout
Mode OFF, Input signal of
1kHz, 1.4 Vp-p
Rin → Rout, Lin → Lout
Movie mode, Effect Ctrl = -6dB
Input signal of 1kHz, 1.4 Vp-p
Rin → Rout, Lin → Lout
Movie mode, Effect Ctrl = -6dB
Input signal of 1kHz, 1.4 Vp-p
(Rin → Rout) – (Lin → Lout)
Music mode, Effect Ctrl = -6dB
Input signal of 1kHz, 1.4 Vp-p
(Rin → Rout), (Lin → Lout)
Music mode, Effect Ctrl = -6dB
Input signal of 1kHz, 1.4 Vp-p
(Rin → Rout) - (Lin → Lout)
Simulated Mode, Effect Ctrl = -6dB
Input signal of 250Hz,
1.4 Vp-p, Rin and Lin → Lout
Simulated Mode, Effect Ctrl = -6dB
Input signal of 1kHz,
1.4 Vp-p, Rin and Lin → Lout
Simulated Mode, Effect Ctrl = -6dB
Input signal of 3.6kHz,
1.4 Vp-p, Rin and Lin → Lout
Min.
-1
-1
Typ.
0
0
8
0
7
0
4.5
– 4.0
7.0
Max.
1
1
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
4/21
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