參數(shù)資料
型號(hào): TDA7443D
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝: SO-28
文件頁(yè)數(shù): 11/15頁(yè)
文件大?。?/td> 96K
代理商: TDA7443D
5/15
TDA7443D
Bstep
Step Resolution
1
2
3
dB
RB
Internal Feedback Resistance
33
44
55
k
TREBLE CONTROL
GT
Control Range
Max. Boost/Cut
±13
±14
±15
dB
Tstep
Step Resolution
1
2
3
dB
RT
Internal Feedback Resistance
25
k
BALANCE CONTROL
ABALmin
Minimum Attenuation
-1
0
1
dB
ABALmax Maximum Attenuation
61
63
65
dB
ABALstep Step Resolution
1
dB
EA
Attenuation set error
AV = 0 to –24 dB
-1
0
1
dB
AV = –24 to –63 dB
-2
0
2
dB
VDC
DC Steps
Adjacent att. steps
-3
0
3
mV
AUDIO OUTPUTS
VOCL
Clipping Level
THD = 0.3%
2
2.5
Vrms
RL
Output Load Resistance
2
k
VOUT
DC Voltage Level
4.5
V
NO(OFF)
Output Noise (OFF)
BW=20Hz to 20kHz;
All gains 0dB;
Output muted
flat
5
10
15
V
NO(MUS) Output Noise (Music)
BW=20Hz to 20kHz;
Mode=Music
30
V
NO(PS)
Output Noise(Pseudo Stereo)
BW=20Hz to 20kHz;
Mode=Pseudo Stereo
30
V
AMUTE
Output Mute Condition
90
dB
S/N
Signal to Noise Ratio
All gains 0dB;VO = 1Vrms
100
dB
SC
Channel Separation Left/Right
90
dB
d
Distortion
AV =0; VI = 1Vrms
0.01
0.1
%
BUS INPUT
VIL
Input Low Voltage
1V
VIH
Input High Voltage
2.5
V
IIN
Input Current
VIN = 0.4V
-5
5
A
VO
Output Voltage (ACK)
IO = 1.6mA
0.4
0.8
V
ELECTRICAL CHARACTERISTICS (continued)
(Refer to the test circuit Tamb=25C, Vs=9V, f=1kHz ,all controls flat, unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
相關(guān)PDF資料
PDF描述
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