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參數(shù)資料
| 型號： | TDA7851A |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 48 W, 4 CHANNEL, AUDIO AMPLIFIER, ZIP27 |
| 封裝： | ROHS COMPLIANT, FLEXIWATT-27 |
| 文件頁數(shù)： | 14/15頁 |
| 文件大?。?/td> | 203K |
| 代理商： | TDA7851A |
Electrical specifications
TDA7851A
Doc ID 17715 Rev 1
eNo
Output noise
"A" Weighted
Bw = 20 Hz to 20 kHz
-
35
50
100
V
SVR
Supply voltage rejection
f = 100 Hz; Vr = 1 Vrms
50
70
-
dB
fch
High cut-off frequency
PO = 0.5 W
100
300
-
kHz
Ri
Input impedance
70
100
130
k
Ω
CT
Cross talk
f = 1 kHz, PO = 4 W
f = 10 kHz, PO = 4 W
60
70
60
-
dB
ISB
Standby current consumption
VSt-by = 1.2 V
-
20
A
VSt-by = 0
-
10
A
Ipin5
Standby pin current
VSt-by = 1.2 V to 2.6 V
-
±1
A
VSB out
Standby out threshold voltage
(Amp: ON)
2.6
-
V
VSB in
Standby in threshold voltage
(Amp: OFF)
-
1.2
V
AM
Mute attenuation
POref = 4 W
80
90
-
dB
VM out
Mute out threshold voltage
(Amp: Play)
2.6
-
V
VM in
Mute in threshold voltage
(Amp: Mute)
-
1.2
V
VAM in
VS automute threshold
(Amp: Mute)
Att ≥ 80 dB; POref = 4 W
(Amp: Play)
Att < 0.1 dB; PO = 0.5 W
6.7
-
7
7.5
8
V
Ipin23
Muting pin current
VMUTE = 1.2 V
(Sourced current)
712
18
A
VMUTE = 2.6 V
-5
-
18
A
Offset detector
VOFF
Detected differential output offset
VSt-by = 5 V
±1
±2
±3
V
VOFF_SAT Off detector saturation voltage
Vo > ±3 V, Ioff Det = 1 mA
0 V < Voff Det < 18 V
-0.2
0.4
V
VOFF_LK
Off detector leakage current
Vo < ±1 V
-
0
15
A
Clipping detector
CDLK
Clip detector high leakage current
Cd off
-
0
1
A
CDSAT
Clip detector saturation voltage
DC On; ICD = 1 mA
-
0.2
0.4
V
CDTHD
Clip detector THD level
-
2
-
%
1.
Saturated square wave output
Table 4.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
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