当前位置:首页->技术分享 |
|
AD52068 20W双声道D类功放IC |
|
|
文章来源:永阜康科技 更新时间:2018/6/14 13:16:00 |
在线咨询: |
|
Description
The AD52068 is a high efficiency stereo class-D
audio amplifier with adjustable power limit function.
The loudspeaker driver operates from 4.5V~26V
supply voltage and analog circuit operates at 5V
supply voltage. It can deliver 20W/CH output power
into 8W loudspeaker within 10% THD+N at 24V
supply voltage and without external heat sink when
playing music.
AD52068 provides parallel BTL (Mono)
application, and it can deliver 40W into 4W
loudspeaker at 24V supply voltage. The adjustable
power limit function allows user to set a voltage rail
lower than half of 5V to limit the amount of current
through the speaker.
Output DC detection prevents speaker damage
from long-time current stress. AD52068 provides
superior EMC performance for filter-free application.
The output short circuit and over temperature
protection include auto-recovery feature.
Features
Single supply voltage
4.5V ~ 26V for loudspeaker driver
Built-in LDO output 5V for others
Loudspeaker power from 24V supply
BTL Mode: 20W/CH into 8W @<10% THD+N
PBTL Mode: 40W/CH into 4W @<10% THD+N
Loudspeaker power from 12V supply
BTL Mode: 9W/CH into 8W @10% THD+N
87% efficient Class-D operation eliminates need for heat sink
Differential inputs
Four selectable, fixed gain settings
Internal oscillator
Short-Circuit protection with auto recovery option
Under-Voltage detection
Over-Voltage protection
Pop noise and click noise reduction
Adjustable power limit function for speakerprotection
Output DC detection for speaker protection
Filter-Free operation
Over temperature protection with auto recovery
Superior EMC performance
Applications
TV audio
Boom-Box
Powered speaker
Monitors
Consumer Audio Equipment
典型应用原理图

|
|
|
|
|
|
|
|
 |
您可能对以下产品感兴趣 |
 |
|
 |
产品型号 |
功能介绍 |
兼容型号 |
封装形式 |
工作电压 |
备注 |
ACM3129 |
2×57W, 1% THD+N, 24V, 4Ω, BTL ;
1×110W, 1% THD+N, 24V, 2Ω, PBTL |
|
TSSOP-28(散热片在背部,支持外接散热器) |
4.5V-26.4V |
2×57W/110W高性能D类音频功放,超低功耗、展频功能、动态调整升压Class H |
ACM3108 |
2×25W, 1% THD+N, 16V, 4Ω, BTL ;
1×50W, 1% THD+N, 16V, 2Ω, PBTL
|
AD52068/TPA3110 |
TSSOP-28 |
4.5V-16V |
动态调整升压CLASS H功能、25W双声道/50W单声道D类音频功放IC |
ACM3128 |
2×32.5W, 1% THD+N, 24V, 8, BTL;
1×65W, 1% THD+N, 24V, 4, PBTL;
2×42W, 1% THD+N, 24V, 6, BTL;
1×84W, 1% THD+N, 24V, 3, PBTL;
2X48W, 1% THD+N, 22V, 4, BTL; |
AD52090/TPA3110 |
TSSOP-28 |
4.5V-26.4V |
动态调整升压CLASS H功能、40W立体声/80W单声道D类音频功放IC |
ACM8615 |
21W, 单声道输出(8Ω, 20V, THD+N = 1%)
26W, 单声道输出 (8Ω, 20V, THD+N = 10%)
|
|
QFN-16 |
4.5V-21V |
内置DSP、I2S数字输入20W单声道D类音频功放IC |
ACM8625P |
2×33W, 立体声输出(6Ω, 21V, THD+N = 1%)
51W, 单声道输出 (8Ω, 21V, THD+N = 1%)
|
ACM8622/ACM8625M/ACM8628 |
TSSOP-28 |
4.5V-21V |
I2S数字输入33W立体声D类音频功放芯片、内置DSP小音量低频增强等算法 |
ACM8622 |
2×14W, 立体声输出(4Ω, 12V, THD+N = 1%);
2×10.5W, 立体声输出 (6Ω, 12V, THD+N = 1%) |
TAS5805/ACM8625/ACM8628 |
TSSOP-28 |
4.5V-14.5V |
内置DSP音效处理算法、2×14W立体声/ 1×23W单声道、数字输入D类音频功放IC |
ACM8625 |
2×26W, 立体声输出(8Ω, 22V, THD+N = 1%)
2×32W, 立体声输出 (8Ω, 22V, THD+N = 10%) |
TAS5805/ACM8628/ACM8622 |
TSSOP-28 |
4.5V-26.4V |
I2S数字输入26W立体声D类音频功放芯片、内置DSP小音量低频增强等算法 |
ACM8628 |
2×41W、立体声 (6Ω, 24V, THD+N = 1%) ;
2×33W, 立体声 (4Ω, 18V, THD+N = 1%) ;
1×82W, 单通道 (3Ω, 24V, THD+N = 1%) |
TAS5805/ACM8625/ACM8622 |
TSSOP-28 |
4.5V-26.4V |
2×41W立体声 /1×82W单通道数字输入功放、内置DSP小音量低频增强等算法 |
CS8683 |
130W/30V/4Ω |
|
EQB-32(散热片在顶部,支持外接散热器) |
4.7V-45V |
130W单声道D类功放IC,具有AM干扰抑制功能 |
HT328 |
2X40W/24V/8Ω或80W/24V/4Ω |
AD52090/TPA3110 |
TSSOP-28 |
4.5V-26V |
免电感滤波2×30W D类立体声音频功放 |
CS8626 |
50W/23V/6Ω |
CS8622/CS8623 |
ESOP-16 |
8V-23V |
50W单声道D类音频放大器,管脚兼容CS8622/CS8623 |
CS86189 |
2X25.5W/14V/4Ω或47W/18V/4Ω |
TPA3110/CS8618/CS3815 |
TSSOP-28 |
6V-18.5V |
无滤波2X25W立体声D类功放IC,管脚兼容TPA3110 |
CS5082 |
CS5082E是一款5V输入,支持双节锂电池串联应用,锂离 子电池的升压充电管理IC.CS5082E集成功率MOS,采用异步开关架构,使其在应用 时仅需极少的外围器件,可有效减少整体方案尺寸,降低BOM成本。 CS5082E的升压开关充电转换器的工作频率为600KHz最大2A输入充 电,转换效率为90%。
|
CS5080 |
ESOP-8 |
3.44V-7.0V |
带NTC功能、5V USB输入、双节锂电池串联应用、升压充电管理IC,管脚兼容CS5080 |
CS8623 |
32W/16V/4Ω |
CS8622 |
ESOP-16 |
5.7V-17V |
可使用单面PCB、免滤波、30W单声道D类音频功放IC,管脚兼容CS8622 |
HT560 |
2X40W/18V/4Ω或75W/24V/4Ω |
|
QFN-36 |
4.5V-26V |
30W立体声D类I2S输入音频功放 |
HT7178 |
输入电压范围:2.7V -14 V;输出电压范围:4.5V-20V
;可编程峰值电流: 14A
|
TPS61088/HT7167 |
DFN-20 |
2.7V-14V |
20V 14A带输出关断的全集成同步升压IC |
HT317 |
2X42W/18V/4Ω或75W/24V/4Ω |
|
TSSOP-28 |
5V-26V |
42W立体声/75W单声道D类功放IC,,工作电压5-26V,极限耐压32V! |
HT863 |
10W/9V/4Ω |
HT6873/HT6871/6872 |
ESOP-8 |
2.5V-10V |
具有任意配置限幅功能的10W单声道高保真D类音频功放IC,永不失真 |
CS5080 |
CS5080E是一款5V输入,支持双节锂电池串联应用,锂离子电池的升压充电管理IC.CS5080E集成功率MOS,采用异步开关架构,使其在应用时仅需极少的外围器件,可有效减少整体方案尺寸,降低BOM成本。CS5080E的升压开关充电转换器的工作频率为600KHz最大2A输入充电,转换效率为90%。 |
|
ESOP-8 |
3.44V-7.0V |
5V USB输入、双节锂电池串联应用、升压充电管理IC |
HT8691 |
7.0W/2.8V-5.5V(内置升压模块)/4Ω |
HT8691R |
ESOP-8 |
2.5V-5.5V |
小型封装低成本内置升压音频功放HT8691 |
|
|
|
|
|
|