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参数资料
| 型号： | TDA7498MV |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 100 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO36 |
| 封装： | ROHS COMPLIANT, SSOP-36 |
| 文件页数： | 27/27页 |
| 文件大小： | 779K |
| 代理商： | TDA7498MV |
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TDA7498MV
Electrical specifications
Doc ID 16505 Rev 2
9/27
3.4
Electrical specifications
Unless otherwise stated, the results in Table 6 below are given for the conditions:
VCC =36V, RL (load) = 6 , ROSC = R3 = 39 k, C8 = 100 nF, f = 1 kHz, GV = 25.6 dB and
Tamb = 25 °C.
Table 6.
Electrical specifications
Symbol
Parameter
Condition
Min
Typ
Max
Unit
Iq
Total quiescent current
No LC filter, no load
-
40
60
mA
IqSTBY
Quiescent current in standby
-
1
10
A
VOS
Output offset voltage
Play mode
-100
-
100
mV
Mute mode
-60
-
60
IOCP
Overcurrent protection threshold
RL = 0
5.5
7
-
A
TjS
Junction temperature at thermal
shutdown
-
150
-
°C
Ri
Input resistance
Differential input
48
60
-
k
VOVP
Overvoltage protection threshold -
42
43
-
V
VUVP
Undervoltage protection
threshold
-
--8
V
RdsON
Power transistor on resistance
High side
-
0.2
-
Low side
-
0.2
-
Po
Output power
THD = 10%
-
100
-
W
THD = 1%
-
78
-
Po
Output power
RL = 8 , THD = 10%,
VCC = 36V
-80
-
W
PD
Dissipated power
Po = 100 W,
THD = 10%
-10
-
W
η
Efficiency
Po = 100 W
-
90
-
%
THD
Total harmonic distortion
Po = 1 W
-
0.1
-
%
GV
Closed-loop gain
GAIN0 = L, GAIN1 = L
24.6
25.6
26.6
dB
GAIN0 = L, GAIN1 = H
30.6
31.6
32.6
GAIN0 = H, GAIN1 = L
34.1
35.1
36.1
GAIN0 = H, GAIN1 = H
36.6
37.6
38.6
GV
Gain matching
-
-1
-
1
dB
eN
Total input noise
A Curve, GV = 20 dB
-
15
-
V
f = 22 Hz to 22 kHz
-
25
50
SVRR
Supply voltage rejection ratio
fr = 100 Hz, Vr = 0.5 Vpp,
CSVR = 10 F
-70
-
dB
Tr, Tf
Rise and fall times
-
50
-
ns
fSW
Switching frequency
Internal oscillator
290
310
330
kHz
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