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参数资料
| 型号： | TDA7240AH |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 20 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM7 |
| 封装： | HEPTAWATT H-7 |
| 文件页数： | 3/8页 |
| 文件大小： | 1193K |
| 代理商： | TDA7240AH |
ELECTRICAL CHARACTERISTICS (refer to the circuit of fig. 1, Tamb = 25
°C, Rth (heatsink) = 4°C/W,
Vs = 14.4V)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vs
Supply Voltage
18
V
Vos
Output Offset Voltage
150
mV
Id
Total Quiescent Current
RL = 4
65
120
mA
Po
Output Power
f = 1kHz; d = 10%
RL = 4
RL = 8
18
10
20
12
W
d
Distortion
RL = 4
f = 1kHz
Po = 50mW to 12W
0.1
0.5
%
RL = 8
f = 1kHz
Po = 50mW to 12W
0.05
0.5
%
GV
Voltage Gain
f = 1KHz
39.5
40
40.5
dB
SVR
Supply Voltage Rejection
f = 100Hz
Rg = 10K
35
40
dB
EN
Total Input Noise
Rg = 10K
(*)
(**)
2
310
V
η
Efficiency
RL = 4
f = 1KHz
65
%
Isb
Stand-by Current
200
A
Ri
Input Resistance
f = 1kHz
70
k
Vi
Input Sensitivity
f = 1kHz; Po = 2W; RL = 4
28
mV
fL
Low Frequency Roll Off
(–3dB)
Po = 15W;
RL = 4
30
Hz
fH
High Frequency Roll Off
(–3dB)
Po = 15W;
RL = 4
25
kHz
As
Stand-by Attenuation
Vo = 2Vrms
70
90
dB
VTH (pin2) Stand-by Threshold
1
V
(*) B= Curve A
(**) B = 22Hz to 22 KHz
Figure 2 : P.C. Board and Components layout of the Circuit of Fig. 1.(1:1scale)
TDA7240A
3/8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA7240AH | 制造商:STMicroelectronics 功能描述:Audio Power Amplifier IC |
| TDA7240AV | 功能描述:音频放大器 20W Bridge Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TDA7240AV | 制造商:STMicroelectronics 功能描述:Audio Power Amplifier IC |
| TDA7241 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:20W BRIDGE AMPLIFIER FOR CAR RADIO |
| TDA7241B | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:20W BRIDGE AMPLIFIER FOR CAR RADIO |
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