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參數(shù)資料
| 型號： | TDA7454 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 42 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25 |
| 封裝： | FLEXIWATT-25 |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 350K |
| 代理商： | TDA7454 |
ELECTRICAL CHARACTERISTICS (Refer to the test circuit VS = 14.4V; RL = 4
; f = 1KHz;
Tamb = 25°C, unless otherwise specified
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply Voltage Range
8
18
V
Id
Total Quiescent Drain Current
60
140
250
mA
Po
Output Power
THD = 10%
THD = 1%
THD = 10% RL = 2
;
THD = 1% RL = 2
;
23
18
40
28
25
20
42
30
W
Po EIAJ
EIAJ Output Power (*)
Vs = 13.7V
Vs = 13.7V, RL = 2
32
50
35
52
W
Po max.
Max. Output Power (*)
Vs = 14.4V
Vs = 14.4V, RL = 2
38
55
40
60
W
THD
Total harmonic distortion
PO = 1W to 10W; STD MODE
PO = 1W; HE MODE
PO = 10W; HE MODE
0.03
0.04
0.1
0.3
0.5
%
RL = 2
; HE MODE; PO = 3W
RL = 2
; HE MODE; PO = 15W
0.06
0.15
0.3
0.5
%
CT
Cross Talk
f = 1KHz to 10KHz
45
55
dB
RIN
Input Impedance
11
15
19
K
GV
Voltage Gain
25
26
27
dB
GV
Voltage Gain Match
1
dB
EIN
Output Noise Voltage
Rg = 600
100
150
V
SVR
Supply Voltage Rejection
f = 300Hz; Vr = 1Vrms;
Rg = 0 to 100
;
45
52
dB
BW
Power Bandwidth
(–3dB)
75
KHz
ASB
Stand-by Attenuation
90
100
dB
Vsb IN
Stand-by in Threshold
1.5
V
Vsb OUT
Stand-by out Threshold
3.5
V
Isb
Stand-by Current Consumption
50
A
AM
Mute Attenuation
80
90
dB
VM IN
Mute in Thereshold
1.5
V
VM OUT
Mute out Threshold
3.5
V
IM
Mute pin Current (Sourced)
V = 0 to VS
VS max = 18V
-10
1
10
A
Mode Select Switch
Standard BTL Mode Op. (Vpin 16)
Open
High Efficiency Mode (Vpin 16)0.5
V
CD
Clip Det. out Current
(Pull up to 5V with 10K
)
CD off: POmin = 10W
CD on: THD = 5%
150
5
A
(*) Saturated square wave output.
TDA7454
3/13
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