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TDA7464 数据表(PDF) 6 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) 6 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SPEAKER & RECORD ATTENUATORS
Crange
Control Range
79
dB
SSTEP
Step Resolution
0.5
1
1.5
dB
EA
Attenuation set error
Av = 0 to -20dB
-1.5
0
1.5
dB
Av = -20 to -79dB
-3
0
2
dB
VDC
DC Steps
Adjacent att. steps
-3
0
3
mV
AMUTE
Output Mute Condition
70
100
dB
RVAR
Input Impedance
22.5
30
37.5
K
Ω
SPEAKER ATTENUATORS
VTH
Zero CrossingThreshold
D7 = 0
VS
2
+ 20
mV
AUDIO OUTPUTS
NO(OFF)
Output Noise (OFF)
Output Mute, Flat
BW = 20Hz to 20KHz
4
5
µVrms
µVrms
NO(MOV)
Output Noise (Movie) Standard
Surround Sound
Mode = Movie ,
BW = 20Hz to 20KHz
30
µVrms
NO(MUS)
Output Noise (Music) Standard
Surround Sound
Mode = Music ,
BW = 20Hz to 20KHz,
30
NO(SIM)
Output Noise (Simulated)
Standard Surround Sound
Mode = Simulated,
BW = 20Hz to 20KHz
30
µVrms
NO(SRS)
Output Noise (SRS)
Surround Sound
BW = 20Hz to 20KHz
50
µVrms
d
Distorsion
Av = 0 ; Vin = 1Vrms
0.01
0.1
%
SC
Channel Separation
70
90
dB
VOCL
Clipping Level
d = 0.3%
2
2.5
Vrms
ROUT
Output Resistance
10
30
50
Ω
VOUT
DC Voltage Level
3.8
V
BUS INPUTS
VIL
Input Low Voltage
1V
VIH
Input High Voltage
3
V
IIN
Input Current
-5
+5
µA
VO
Output Voltage SDA
Acknowledge
IO = 1.6mA
0.4
V
µVrms
TDA7464
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