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参数资料
| 型号： | TDA7299 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封装： | SOP-8 |
| 文件页数： | 3/7页 |
| 文件大小： | 100K |
| 代理商： | TDA7299 |
Obsolete
Product(s)
- Obsolete
Product(s)
3/7
TDA7299
*) Limited by the RTH of the package
Figure 1. Application Circuit
APPLICATION HINTS:
For 12V supply and 8
speaker application, its maximum power dissipation is about 1.8W.
Assumming that max ambient temperature is 70°C. required thermal resistance of the device and heat dissipat-
ing means must be equal to (150 - 70)/1.8 = 45°C/W.
Junction to pin thermal resistance of the package is about 20°C/W. That means external heat sink of about
25°C/W is required.
Cu ground plane of PCB can be used as heat dissipating means.
Stand-By switches must be able to discharge Csvr current.
Pot
Transient Output Power *)
Vi = 400mVp, THD < 2%, RL = 4
2W
THD
Distortion
PO = 1W
1
%
SVR
Supply Voltage Rejection
Vripple = 150mVrms;
Fripple = 1KHz
50
dB
EI
Input Noise Voltage
Rg = 10K
; BW = 20Hz to 20KHz
1.5
5
V
Vsb
Stand-By Enable Voltage
1
V
ELECTRICAL CHARACTERISTICS (continued)
(Tamb = 25°C; VS = 12V; RL = 8; f = 1KHz; unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
IN
SVR
GND
VS
100
F
VS=12V
470
F
OUT
8
0.1
F
47
F
IN
D94AU161A
STAND-BY
IN
SVR
GND
VS
470
F
OUT
8
0.1
F
47
F
IN
STAND-BY
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