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参数资料
| 型号： | TDA7497SA |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 8 W, 3 CHANNEL, AUDIO AMPLIFIER, PZFM15 |
| 封装： | CLIPWATT-15 |
| 文件页数： | 4/10页 |
| 文件大小： | 626K |
| 代理商： | TDA7497SA |
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TDA7497SA
Table 4. Electrical Characteristcs (Refer to the test circuit VS = 25V; Rg = 50; f = 1KHz; Tamb = 25°C)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply Voltage Range
11
30
V
Iq
Total Quiescent Current
60
100
mA
VO
Quiescent Output Voltage
11.5
12.5
13.5
V
PO_L/R
Output Power Left /
RightChannels
THD = 10%; RL = 8
;
THD = 1%; RL = 8
;
6
5
8
6
W
PO_C
Output Power Center Channel
THD = 10%; RL = 4
THD = 1%; RL = 4
12
10
15
12
W
THD
Total Harmonic Distortion
PO = 1W; f = 1KHz;
0.4
%
Ipeak L/R
Output Peak Current
(internally limited)
2.0
A
Ipeak C
Output Peak Current Central
Channel
(internally limited)
2.5
A
GV
Closed Loop Gain
28.5
29.5
30.5
dB
GV
L/R Voltage GainMatching
-1
1
dB
BW
0.6
MHz
eN
Total Output Noise
f = 20Hz to 22KHz
60
150
V
SR
Slew Rate
5
8
V/
s
Ri
Input Resistance
22.5
30
K
SVR
Supply Voltage Rejection
f = 1kHzCSVR = 470mF; VRIP =
1Vrms
50
60
dB
TM
Thermal Muting
150
°C
Ts
Thermal Shut-down
160
°C
MUTE & INPUT SELECTION FUNCTIONS
VMUTE1
Mute 1 ON threshold (L/R)
3.5
V
Mute 1 OFF threshold (L/R)
1.5
V
VMUTE2
Mute 2 ON threshold (center)
3.5
V
Mute 2 OFF threshold (center)
1.5
V
AMUTE
Mute Attenuation
50
65
dB
ImuteBIAS Mute bias currentMute1/Mute2
Mute
1
5
A
St-By
0.2
2
A
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