參數(shù)資料
型號(hào): TDA7412
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 1 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件頁(yè)數(shù): 56/56頁(yè)
文件大小: 716K
代理商: TDA7412
9/56
TDA7412
fLP
Lowpass corner frequency
fLP1
2.7
3
3.3
kHz
fLP2
5.4
6
6.6
kHz
SUBWOOFER ATTENUATORS
Rin
Input Impedance
35
50
65
k
GMAX
Max. Gain
14
15
16
dB
AATTN
Max. Attenuation
-83
-79
-75
dB
ASTEP
Step Resolution
0.5
1
1.5
dB
AMUTE
Output Mute Attenuation
80
90
dB
EE
Attenuation Set Error
2dB
VDC
DC Steps
Adjacent Attenuation Steps
1
5
mV
SUBWOOFER Lowpass
fLP
Lowpass corner frequency
fLP1
72
80
88
Hz
fLP2
108
120
132
Hz
fLP3
144
160
176
Hz
Notes: 1. If programmed as Subwoofer Diff.-Output
DIFFERENTIAL OUTPUTS1)
RL
load resistance at each output
1VRMS; AC coupled; THD=1%
1
k
2VRMS; AC coupled; THD=1%
2
k
RDL
load resistance differential
1VRMS; AC coupled; THD=1%
2
k
2VRMS; AC coupled; THD=1%
4
k
CLMAX
Capacitive load at each output
CLmax at each Output to Ground
10
nF
CDLMAX
Capacitive load differential
CLmax between Output terminals
5
nF
VOffset
DC Offset at pins
Output muted
-10
10
mV
ROUT
Output Impedance
30
100
VDC
DC Voltage Level
4.3
4.5
4.7
V
eNO
Output Noise
Output muted
6
15
V
Notes: 1. If programmed as Subwoofer Diff.-Output
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
ELECTRICAL CHARACTERISTICS (continued)
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