參數(shù)資料
型號(hào): TDA2004A
廠(chǎng)商: 意法半導(dǎo)體
元件分類(lèi): 音頻放大器
英文描述: 10 10W STEREO AMPLIFIER FOR CAR RADIO
中文描述: 10 10W的立體聲放大器的汽車(chē)收音機(jī)
文件頁(yè)數(shù): 7/10頁(yè)
文件大?。?/td> 164K
代理商: TDA2004A
Figure17 :
TotalPower Dissipation and
Efficiency vs. Output Power .
APPLICATION SUGGESTION
The recommendedvaluesofthecomponentsare thoseshownon applicationcircuitof fig.1.Differentvalues
can be used ; the following table canhelp the designer.
Component
R1
Recomm. Value
120K
Purpose
LargerThan
Smaller P
O
max.
Smaller Than
Smaller P
O
max.
Optimization of the
output signal simmetry
Close loop gain
setting(*)
R2, R4
R3, R5
R6, R7
1K
3.3
1
Increase of gain
Decrease of gain
Danger of oscillation
at high frequency with
inductive load
High turn-on delay
Decrease of gain
Increaseof gain
Frequency stability
C1, C2
2.2
μ
F
Input DC decoupling
High turn-on pop
Higher low frequency
cutoff. Increase of
noise
Degradation of SVR.
C3
10
μ
F
Ripple Rejection
Increase of SVR.
Increase of the switch-
on time.
C4, C6
100
μ
F
Boostrapping
Increaseof distortion
at low frequency
C5, C7
100
μ
F
Feedback Input DC
decoupling.
Frequency Stability
Output DC decoupling.
C8, C9
C10, C11
0.1
μ
F
Danger of oscillation.
Higher low-frequency
cut-off.
1000
μ
F to 2200
μ
F
(*) The closed–loop gain must be higher than 26dB.
TDA2004A
7/10
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TDA2004R 功能描述:音頻放大器 10+10W Stereo Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel