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参数资料
| 型号： | TDA2005M |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 22 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM11 |
| 封装： | MULTIWATT-11 |
| 文件页数： | 25/25页 |
| 文件大小： | 395K |
| 代理商： | TDA2005M |
TDA2005
Electrical specifications
Doc ID 1451 Rev 4
9/25
2.3.2
Bridge amplifier design
The following considerations can be useful when designing a bridge amplifier.
Where:
VCE sat = output transistors saturation voltage
VS = allowable supply voltage
RL = load impedance
Voltage and current swings are twice for a bridge amplifier in comparison with single ended
amplifier.
In order words, with the same RL the bridge configuration can deliver an output power that is
four times the output power of a single ended amplifier, while, with the same max output
current the bridge configuration can deliver an output power that is four times the output
power of a single ended amplifier, while, with the same max output current the bridge
configuration can deliver an output power that is twice the output power of a single ended
amplifier.
Core must be taken when selecting VS and RL in order to avoid an output peak current
above the absolute maximum rating.
From the expression for IOmax, assuming VS = 14.4V and VCE sat = 2V, the minimum load
that can be driven by TDA2005 in bridge configuration is:
The voltage gain of the bridge configuration is given by (see Figure 36):
Table 5.
Bridge amplifier design
Parameter
Single ended
Bridge
Vo max
Peak output voltage (before clipping)
Io max
Peak Output current (before clipping)
Po max
RMS output power (before clipping)
1
2
--- V
s
2V
CEsat
–
()
V
s
2V
CEsat
–
1
2
---
V
s
2V
CEsat
–
R
L
-----------------------------------
V
s
2V
CEsat
–
R
L
-----------------------------------
1
4
---
V
s
2V
CEsat
–
()
2
2R
L
-------------------------------------------
V
s
2V
CEsat
–
()
2
2R
L
-------------------------------------------
R
Lmin
V
s
2V
CEsat
–
I
Omax
------------------------------------
14.4
4
–
3.5
---------------------
2.97
Ω
==
=
G
v
V
0
V
1
-------
1
R
1
R
2 R4
R
2
R
4
+
---------------------
--------------------------
R
3
R
4
-------
++
==
相关PDF资料 |
PDF描述 |
|---|---|
| TDA2005S | 12 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11 |
| TDA2006H | 12 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM5 |
| TDA2006V | 12 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM5 |
| TDA2009A | 12.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM11 |
| TDA2030-TA5-T | 14 W, 1 CHANNEL, AUDIO AMPLIFIER, SFM5 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA2005M | 制造商:STMicroelectronics 功能描述:IC POWER AMP CAR RADIO 20W 2005 |
| TDA2005R | 功能描述:音频放大器 Car-Audio Amplifier Class AB Specific 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 |
| TDA2005S | 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 |
| TDA2006 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:12W AUDIO AMPLIFIER |
| TDA2006H | 功能描述:音频放大器 12W AUDIO 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 |
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