CXAR41206是一款全差分音频功率放大器，专为便携式通信设备应用和移动电话中的高要求应用而设计。它能够将1.3W的连续平均功率传送到8Ω负载中，通常由5伏电池电压产生1%的失真（THD+N）。它工作在2.5V到5.5V的电源。
CXAR41206具有低功耗关机模式。为灵活起见，根据SD模式引脚上施加的电压，可以通过逻辑高或低来启用关机。此外，CXAR41206具有内部热关机保护机制。
CXAR41206包含高级弹出/单击电路，具有最少的外部组件。所有这些特性使CXAR41206非常适合无线手机和其他低电压应用，在这些应用中，最低功耗是一个主要要求。
CXAR41206有绿色MSOP-10、TDFN-3×3-10L和MSOP-8三种包装。在-40℃～+85℃的环境温度范围内工作。
•卓越的PSRR：直接连接到电池
•1.3W到8Ω负载，从5V电源
THD+N=1%（典型值）
•2.5V至5.5V操作
•低关机电流
•改进的弹出/点击电路
•支持单端或差分输入
•热过载保护电路
•无输出耦合电容器，自举
所需电容器
•外部增益配置能力
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[ CXAR41206 ]"
目录
7.相关产品
产品概述 返回TOP
The CXAR41206 is a fully differential audio power amplifier that is designed for portable communication device applications and demanding applications in mobile phones. It is capable of delivering 1.3W of continuous average power into an 8Ω load with typically 1% distortion (THD+N) from a 5V battery voltage. It operates from 2.5V to 5.5V power supply.
The CXAR41206 features a low power consumption shutdown mode. To be flexible, shutdown may be enabled by either a logic high or low depending on the voltage applied on the SD MODE pin. Additionally, the CXAR41206 features an internal thermal shutdown protection mechanism.
The CXAR41206 contains advanced pop/click circuitry, with a minimal amount of external components. All these features make CXAR41206 ideal for wireless handsets and other low voltage applications where minimal power consumption is a primary requirement.
The CXAR41206 is available in Green MSOP-10, TDFN-3×3-10L and MSOP-8 packages. It operates over anambient temperature range of -40℃ to +85℃.
产品特点 返回TOP
• Fully Differential Amplifier
• Excellent PSRR: Direct Connection to Battery
• 1.3W into 8Ω Load from 5V Supply at
THD+N = 1% (TYP)
• 2.5V to 5.5V Operation
• Low Shutdown Current
• Improved Pop/Click Circuitry
• Support Single-Ended or Differential Input
• Thermal Overload Protection Circuitry
• No Output Coupling Capacitors, Bootstrap
Capacitors Required
• External Gain Configuration Capability
• -40℃ to +85℃ Operating Temperature Range
• Green MSOP-10, TDFN-3×3-10L and MSOP-8 Packages
应用范围 返回TOP
Portable Systems
Wireless Handsets
Mobile Phone
Handheld Computers
PDAs
GPS
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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音频功率放大器 |
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Part Number |
CH |
SHDN |
VCC (Min)(V) |
VCC (Max)(V) |
Differential Input |
Output Voltage @VCC=3.6V(W) |
Output Voltage @VCC=5V(W) |
Package |
|
Stereo |
H |
2.8 |
5.5 |
N |
0.7 |
1.3 |
DIP-16 TSSOP-20(EP) TSSOP -16(EP) SOIC-16TQFN-3x3-20L |
|
|
Stereo |
L |
2.6 |
5.5 |
N |
0.7 |
1.3 |
TQFN-4x4-16L |
|
|
Mono |
H |
2.5 |
5.5 |
N |
1.2 |
SOIC-8 SOIC-8(EP) |
||
|
Stereo |
L |
2.8 |
5.5 |
N |
0.7 |
1.3 |
TQFN-4x4-24L |
|
|
Mono |
L |
2.5 |
5.5 |
N |
0.6 |
1.2 |
TDFN-2x2-8L |
|
|
Mono |
L |
2.5 |
5.5 |
Y |
0.65 |
1.3 |
TDFN-3x3-8L MSOP-8(EP) |
|
|
Mono |
L |
2.5 |
5.5 |
Y |
0.65 |
1.3 |
TDFN-2x2-8L |
|
|
Mono |
L |
2.5 |
5.5 |
Y |
0.65 |
1.3 |
MSOP-8 MSOP-10 TDFN-3x3-10L |
|
