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参数资料
| 型号： | TDA7389A |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM27 |
| 封装： | ROHS COMPLIANT, FLEXIWATT-27 |
| 文件页数： | 12/14页 |
| 文件大小： | 193K |
| 代理商： | TDA7389A |
TDA7389A
Electrical specifications
THD
Distortion
Po = 4W
0.04
0.10
%
eNo
Output noise
"A" Weighted
50
70
μV
Bw = 20 Hz to 20 kHz
70
100
μV
SVR
Supply voltage rejection
f = 100Hz; Vr = 1Vrms
50
75
dB
fch
High cut-off frequency
Po = 0.5W
100
200
KHz
Ri
Input Impedance
70
100
150
K
Ω
CT
Cross talk
f = 1 kHz; Po = 4W
60
75
dB
f = 10 kHz; Po = 4W
60
dB
ISB
Standby current
consumption
VSt-by = 1.2V
50
μA
VSt-by = 0V
25
Ipin4
Standby pin current
VSt-by = 1.2 to 2.6V
±1
μA
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 Ω
(Amp: play); Att < 0.1 dB;
PO = 0.5 W
7.6
6.5
8.5
V
Ipin22
Muting pin current
VMUTE = 1.2 V
(Source current)
511
20
μA
VMUTE = 2.6 V
-5
-
-20
Offset detector
ODLK
OD leakage current
1
A
Voff
Detected diff. output offset
VSt-by =5 V
1.5
±2
2.5
V
VPin2_Fw27
Pin2_Fw27 voltage
for Detection = True
Ipin2 = 1 mA
VSt-by =5V; |Voff| > 2.5 V
0.2
0.4
V
Clipping detector
CDLK
Clip det high leakage current CD Off
1
μA
CDSAT
Clip det sat voltage
DC On; ICD = 1 mA
0.2
0.4
V
CDTHD
Clip det THD level
Po > 16 W
2
%
1.
Saturated square wave output.
Table 4.
Electrical characteristics (continued)
(VS = 14.4V; f = 1KHz; Rg = 600Ω; RL = 4Ω; Tamb = 25°C; Refer to the test and application
diagram (Figure 14), unless otherwise specified.)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
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