TDA8954J ZIP-23 42.5V 420W NXP恩智浦 音頻放大器 集成IC
来源:深圳市轩嘉盛电子有限公司 | 发布时间:2018-2-8 | 浏览次数:
TDA8954J ZIP-23 42.5V 420W NXP恩智浦 音頻放大器 集成IC
TDA8954J型号 | TDA8954J品牌 | TDA8954J封装 | TDA8954J备注 |
TDA8954J | NXP恩智浦 | ZIP-23 | 全新原装正品 |
FQB22P10 100V22A P沟道 功率MOS管 TO263 FAIRCHILD
TDA8954J的描述:
TDA8954是一款具有低功耗的单芯片立体声或单声道高效率D类音频功率放大器
The TDA8954 is a low power single-chip stereo or mono high efficiency Class D audio power amplifie
它被设计为在立体声单端(SE)应用中向4Ω负载提供2×210W
It is designed to provide 2 × 210 W to a 4Ω load in stereo single-ended (SE) applications
或在单声道桥接负载(BTL)应用中向8Ω负载提供1×420W
Or 1 × 420W for 8Ω loads in mono bridged load (BTL) applications
它将D类效率(≈93%,4Ω负载)的优势与发烧级音质结合AB类放大相结合
It combines the advantages of class D efficiency (≈93%, 4Ω load) with audiophile sound quality combined with class AB amplification
该放大器在±12.5 V至±42.5 V的宽电源电压范围内工作,具有低静态电流消耗
The amplifier operates over a wide ± 12.5 V to ± 42.5 V supply voltage range, with low quiescent current draw
TDA8954配有两个诊断引脚,用于监视热折返(TFB)
The TDA8954 comes with two diagnostic pins to monitor the thermal turnback (TFB)
过电流保护(OCP)和其他保护电路的状态
Overcurrent protection (OCP) and other protection circuit status
TDA8954J的快速参考数据:
TDA8954J的框图:
TDA8954J的固定信息:
TDA8954J的特征:
型应用中的高输出功率
High output power in applications
▶SE 2×210W,RL =4Ω(VDD = 41V; VSS = -41V)
▶SE 2×235 W,RL = 3Ω(VDD = 39 V; VSS = -39 V)
▶SE 2×150W,RL =6Ω(VDD = 41V; VSS = -41V)
▶BTL 1×420 W,RL = 8Ω(VDD = 41 V; VSS = -41 V)
对称的工作电源电压范围为±12.5 V至±42.5 V
The symmetrical operating supply voltage range is ± 12.5 V to ± 42.5 V
立体声全差分输入,可用作立体声SE或单声道BTL放大器
Stereo fully differential input, can be used as a stereo SE or mono BTL amplifier
低噪声
Low noise
流畅的无噪音启动和关闭
Smooth, noise-free startup and shutdown
针对保护电路的2针诊断
2-pin diagnosis for protection circuit
固定频率的内部或外部时钟
Fixed frequency internal or external clock
高效率≈93%
High efficiency ≈93%
零死区时间切换
Zero dead time switch
低静态电流
Low quiescent current
先进的保护策略:电压保护和输出电流限制
Advanced Protection Strategies: Voltage Protection and Output Current Limiting
Thermal FoldBack(TFB)具有禁用功能
Thermal FoldBack (TFB) has a disable feature
SE的固定增益为30 dB,BTL应用的固定增益为36 dB
The SE has a fixed gain of 30 dB and the BTL application has a fixed gain of 36 dB
完全防止负载短路
Completely prevent the load short circuit
BTL配置中的BD调制
BD modulation in BTL configuration
时钟保护
Clock protection
TDA8954J的封装图:
74LVC125APW同系列产品:
74LVC125APW | 74HC85D | 74F00D | 74HC259PW | BAV199 |
74LVT244APW | TJA1055T | TJA1028T | 74HC14D | 74LV4799D |
74LVC374APW | 74AHCT594DB | 74HC4316D | 74HCT245PW | 74HCT245D |
74HCT164D | 74HCT4052D | 74HCT4538D | 74HCT4052PW | 74HCT4094D |
74LVC74APW | 74LVC257ADB | 74LVC273D | 74HC238D | 74HCT04D |
深圳市轩嘉盛电子有限公司
地 址 :深圳市福田区华强北世纪会都会轩1913
联系人 :吴小姐 手机:13590334401
Q Q :3343956557
电 话 :0755-23940365
传 真 :0755-88600656
邮 箱 :2839095361@qq.com
网 址 :www.xjsic.com
淘 宝 :http://xjskj.taobao.com