參數(shù)資料
型號: TDA7299
廠商: 意法半導體
元件分類: 音頻放大器
英文描述: SOUND 2W MONO AMPLIFIER
中文描述: 聲2W的單聲道放大器
文件頁數(shù): 3/7頁
文件大?。?/td> 93K
代理商: TDA7299
3/7
TDA7299
*) Limited by the R
TH
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 C
svr
current.
P
ot
Transient Output Power
*)
V
i
= 400mVp, THD < 2%, R
L
= 4
2
W
THD
Distortion
P
O
= 1W
1
%
SVR
Supply Voltage Rejection
V
ripple
= 150mVrms;
F
ripple
= 1KHz
50
dB
E
I
Input Noise Voltage
Rg = 10K
; BW = 20Hz to 20KHz
1.5
5
μ
V
V
sb
Stand-By Enable Voltage
1
V
ELECTRICAL CHARACTERISTICS
(continued)
(T
amb
= 25°C; V
S
= 12V; R
L
= 8
; f = 1KHz; unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
IN
SVR
GND
V
S
100
μ
F
V
S
=12V
470
μ
F
OUT
8
0.1
μ
F
47
μ
F
IN
D94AU161A
STAND-BY
IN
SVR
GND
V
S
470
μ
F
OUT
8
0.1
μ
F
47
μ
F
IN
STAND-BY
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