參數(shù)資料
型號: TDA7402
廠商: STMICROELECTRONICS
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件頁數(shù): 5/69頁
文件大小: 865K
代理商: TDA7402
TDA7402
Electrical specifications
Subwoofer lowpass
fLP
Lowpass corner frequency
fLP1
72
80
88
Hz
fLP2
108
120
132
Hz
fLP3
144
160
176
Hz
Differential outputs(4)
RL
load resistance at each output
1VRMS; AC coupled; THD=1%
1
k
Ω
2VRMS; AC coupled; THD=1%
2
k
Ω
RDL
load resistance differential
1VRMS; AC coupled; THD=1%
2
k
Ω
2VRMS; AC coupled; THD=1%
4
k
Ω
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
W
VDC
DC voltage level
4.3
4.5
4.7
V
eNO
Output noise
Output muted
6
15
V
Compander
GMAX
max. compander gain
Vi < -46dB
19
dB
Vi < -46dB, Anti-clip = on
29
dB
tAtt
Attack time
tAtt1
6ms
tAtt2
12
ms
tAtt3
24
ms
tAtt4
49
ms
tRel
Release time
tRel1
390
ms
tRel2
780
ms
tRel3
1.17
s
tRel4
1.56
s
VREF
Compander reference input-level
(equals 0dB)
VREF1
0.5
VRMS
VREF2
1.0
VRMS
VREF3
2.0
VRMS
CF
Compression factor
Output signal / input signal
0.5
Table 2.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
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