CXAR41169单声道、无破音、低EMI、2.8W、无需滤波器的D类音频功率放大器不仅具有D类的84%高效率,还有独特的无破音功能,可以通过检测输出的破音失真,自动调整系统增益,不仅有效避免了大功率超载输出对喇叭的损坏,同时带来舒适的听觉感受
‧2.5V到5.5V操作
‧为4Ω负载提供2.8W功率输出
‧低EMI
‧无破音功能
‧短路保护及短路结束自动回复功能
‧过热保护
‧84%的效率
‧低静态电流(3.5mA)与低功耗关断模式(0.5μA)
‧POP杂音抑制
[ CXAR41169 ]
产品技术资料帮助
查看全部>
7.相关产品
产品概述 返回TOP
产品特点 返回TOP
‧2.5V到5.5V操作
‧为4Ω负载提供2.8W功率输出
‧低EMI
‧无破音功能
‧短路保护及短路结束自动回复功能
‧过热保护
‧84%的效率
‧低静态电流(3.5mA)与低功耗关断模式(0.5μA)
‧POP杂音抑制
‧WCSP-9 与TDFN-8封装
Unique Modulation Scheme Reduces EMI Emissions
Unique Non-Clip function , Variable NCN1,
NCN2,NCNOFF mode Select
Short Circuit Auto-Recovery
Efficiency at 3.6V With an 8- Speaker:
− 84% at 400 mW
Low Quiescent Current and
Shutdown Current
2.5V to 5.5V Wide Supply Voltage
Shutdown Pin Compatible with 1.8V Logic GPIO
Optimized PWM Output Stage Eliminates
LC Output Filter
Improved PSRR ( -68 dB) Eliminates Need for a
Voltage Regulator
Fully Differential Design Reduces RF Rectification
and Eliminates Bypass Capacitor
Improved CMRR Eliminates Two Input
Coupling Capacitors
Internally Generated 325-kHz Switching
Frequency
Integrated Pop and Click Suppression Circuitry
1.5mm′ 1.5mm Wafer Chip Scale Package (WCSP)
and 3mm′ 3mm TDFN-8 Package
RoHS Compliant and 100% Lead(Pb)-Free
Halogen-Free
应用范围 返回TOP
‧行动电话
‧个人媒体播放器
‧掌上游戏机
Ideal for Wireless or cellular Handsets and PDAs
技术规格书(产品PDF) 返回TOP
需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持!
产品封装图 返回TOP
a
电路原理图 返回TOP
音频放大器 > D类 > D类放大器 |
||||||||||
Part Number |
remark |
Vin (V) |
Speaker (W) |
Speaker (Ω) |
Headphone |
No of Speaker Channel |
THD +N @ 1KHz (%) |
IQ (mA)(Typ) |
PSRR (dB) |
Package |
10-W Inductor Free Stereo Audio Amplifier with Low EMI |
4.5~14.5 |
10 |
8 |
- |
2 |
0.07 |
22 |
60 |
TSSOP-28 |
|
2W High Efficiency Mono Class-D Audio Power Amplifier with Non-Clip |
3~5 |
2 |
8 |
N/A |
1 |
0.09 |
9 |
70 |
WCSP-16 |
|
2.8W/CH Stereo Filterless Class-D Audio Amplifier with |
2.7~5.5 |
2.8 |
4 |
110mW/32Ω |
2 |
0.2 |
6.5 |
60 |
SOP-24,TQFN-20 |
|
2.5W/CH Stereo Filterless Class-D Audio Amplifier with 64-Step DC Volume Control |
2.7~5.5 |
2.5 |
4 |
N/A |
2 |
0.2 |
6.5 |
60 |
SOP-16 |
|
3.3W Mono Class-D Audio Power Amplifier with Non-Clip, Power Limit and Noise Gate |
2.5~5.5 |
3.3 |
4 |
N/A |
1 |
0.15 |
4 |
70 |
WCSP-9 |
|
2.5-W/CH Stereo Filter-less Class-D Audio Power Amplifier with Auto-Recovery |
2.5 ~ 5.5 |
2.5 |
4 |
N/A |
2 |
0.13 |
6.2 |
63 |
TQFN-20,TSSOP-20 |
|
Low EMI, 2.8-W Mono Filterless Class-D Audio Power Amplifier with Auto-Recovery |
2.5~5.5 |
2.8 |
4 |
N/A |
1 |
0.1 |
41 |
68 |
SOP-8 |
|
Non-Clip, Low EMI, 2.8W Mono Filterless Class-D Audio Power Amplifier with Auto-Recovery |
2.5 ~ 5.5 |
2.8 |
4 |
N/A |
1 |
0.15 |
3.5 |
70 |
WCSP-9,TDFN-8 |
|
2.5W Stereo Class-D Audio Power Amplifier with 3D Enhancement |
2.5 ~ 5.5 |
2.5 |
4 |
N/A |
2 |
0.2 |
7.3 |
70 |
TQFN-24 |
|
3-W Mono Filterless Class-D Audio Power Amplifier |
2.5 ~ 5.5 |
3 |
4 |
N/A |
1 |
0.18 |
4.3 |
72 |
TDFN-8, WCSP |
|
6.5-W Mono Class-D Audio Power Amplifier |
8 ~ 24 |
6.5 |
8 |
N/A |
1 |
0.08 |
8 |
70 |
TSSOP-24 |
|
15-W Stereo Class-D Audio Power Amplifier with Speaker Protection |
5.5~26 |
15 |
8 |
- |
2 |
0.2 |
45 |
60 |
TSSOP-28 |
|
6-W Stereo Class-D Audio Power Amplifier with Speaker Protection |
5.5~26 |
6 |
8 |
N/A |
2 |
0.2 |
45mA |
60 |
TSSOP-28 |
◀ 上一篇:CXAR41168续输出2.8W有10%的THD+N及2.2W并具有1%的THD+N电压为3.6V时驱动8Ω扬声器输出400mW效率84%可调整的增益可调节各输入信号的增益将各输入信号进行叠加放大
|