产品概要
描述
The STA540 is a 4-channel, class-AB audio amplifier designed for high quality sound applications.
The amplifiers have single-ended outputs with integrated short-circuit protection, thermal protection and diagnostic functions.
The chip is housed in the 15-pin Multiwatt ECOPACK®Pb-free package which is RoHS (2002/95/EC) compliant.
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性能一览
- High output power capability
- 2x 38 W into 4 Ω at 18 V, 1 kHz, 10% THD
- 2x 34 W into 8 Ω at 22 V, 1 kHz, 10% THD
- 2x 24W into 4Ω at 14.4 V, 1 kHz, 10% THD
- 2x 15 W into 8 Ω at 16 V, 1 kHz, 10% THD
- 4x 13 W into 2 Ω at 15 V, 1 kHz, 10% THD
- 4x 11 W into 4 Ω at 18 V, 1 kHz, 10% THD
- 4x 7 W into 4 Ω at 14.4 V, 1 kHz, 10% THD
- Minimum external components count:
- no bootstrap capacitors
- no Boucherot cells
- internally fixed gain 20 dB
- Standby function (CMOS compatible)
- No audible pop during standby operations
- Diagnostic facilities:
- clip detector
- output to GND short-circuit detector
- output to VS short-circuit detector
- soft short-circuit check at turn-on
- thermal shutdown warning
- Protection
- Output AC/DC short circuit
- Soft short-circuit check at turn-on
- Thermal cutoff/limiter to prevent chip from overheating
- High inductive loads
- ESD
- High output power capability
电路原理图
特别推荐
EDA Symbols, Footprints and 3D Models
STMicroelectronics - STA540
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | 符合RoHS级别 | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|
| STA540 | Active 产品已量产 | MW 15L | Industrial | Ecopack2 | - | - |
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。
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Sample & Buy
| Part Number | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STA540 | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
STA540 Active