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参数资料
| 型号： | TEA2025B |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2.8 W, 2 CHANNEL, AUDIO AMPLIFIER, PDIP16 |
| 封装： | ROHS COMPLIANT, DIP-16 |
| 文件页数： | 8/11页 |
| 文件大小： | 178K |
| 代理商： | TEA2025B |
TEA2025
6/11
Figure 12.
3.4 Output Capacitors.
The low cut off frequency due to output capacitor depending on the load is given by:
with COUT 470mF and RL = 4 ohm it means FL = 80 Hz.
3.5 Pop Noise
Most amplifiers similar to TEA 2025B need external resistors between DC outputs and ground in order to
optimize the pop on/off performance and crossover distortion.
Figure 13.
The TEA 2025B solution allows to save components because of such resistors (800 ohm)are included into
the chip.
3.6 Stability
A good layout is recommended in order to avoid oscillations.
Generally the designer must pay attention on the following points:
– Short wires of components and short connections.
– No ground loops.
– Bypass of supply voltage with capacitors as nearest as possible to the supply I.C.pin. The low val-
ue(poliester)capacitors must have good temperature and frequency characteristics.
– No sockets.
the heatsink can have a smaller factor of safety compared with that of a conventional circuit. There
is no device damage in the case of excessive junction temperature: all that happens is that PO (and
F
L
1
2
ΠC
OUT
R
L
-----------------------------------
=
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TEA2025D | 功能描述:音频放大器 Stereo Audio Amp 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 |
| TEA2025D013TR | 功能描述:音频放大器 Stereo Audio Amp 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 |
| TEA2025-D16-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:STEREO AUDIO AMPLIFIER |
| TEA2025DL-S20-R | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:STEREO AUDIO AMPLIFIER |
| TEA2025DL-S20-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:STEREO AUDIO AMPLIFIER |
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