产品概述
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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所有功能
- 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符号、封装和3D模型
STMicroelectronics - STA540
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符号
封装
3D模型
质量与可靠性
| 产品型号 | Marketing Status | 封装 | 等级规格 | 符合RoHS级别 | 材料声明** |
|---|---|---|---|---|---|
| STA540 | 批量生产 | MW 15L | 工业 | Ecopack2 | |
STA540
Package:
MW 15LMaterial Declaration**:
(**) 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。
样片和购买
| 产品型号 | 从分销商订购 | 从ST订购 | 供货状态 | ECCN (US) | ECCN (EU) | 包装类型 | 封装 | 温度（ºC） | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 最小值 | 最大值 | |||||||||||
| STA540 | 4 distributors | 批量生产 | EAR99 | NEC | Tube | MW 15L | - | - | MOROCCO | | ||