HT313是一款高效D类音频功率放大器。在12V供电的单声道模式下,THD+N = 1%, 能够持续提供23W/2 Ω功率输出。
HT313具有先进的扩频功能来抑制EMI,使用价格低廉且小体积铁氧体磁珠可满足EMC要求。
此外,HT313内置关断功能使待机电流最小化,还集成了过压保护、直流保护、短路保护、热保护和电源欠压异常保护等功能,可全面防止出现故障。
特点
・电源供电: 3.6V – 12.8V;
・输出功率
19W (VDD=12V, RL=4Ω, THD+N=10%)
15W (VDD=12V, RL=4Ω, THD+N=1%)
23W (VDD=12V, RL=2Ω, THD+N=1%)
・超过90%效率,无需散热器
・模拟差分/单端输入
・过压/过流/过热/欠压异常,
应用
・蓝牙/ Wi-Fi音箱
・便携式音箱
・智能音箱
・智能家居
・声霸
・TV/监视器
◼ 订购信息
Ordering Number | Package Type | Marking | Operating Temperature
Range | Shipping Package / MOQ | HT313SPER | ESSOP10(SPE) | HT313
YYYMAAB | -25℃~85℃ | Tape and Reel (R)/
2500pcs | HT313SPET | ESSOP10(SPE) | HT313
YYYMAAB | -25℃~85℃ | Tube(T)/100pcs |
终端配置
终端功能
Terminal
No. | Name | I/O1 | Description | 1 | INP | I | Positive input terminal.输入正端 | 2 | INN | I | Negative input terminal.输入负端 | 3 | CTRL | I | SD,ACF,FAULT, multifunction pin. 功能控制引脚 | 4 | BSP | BST | Connection point for the OUTP bootstrap capacitor, which is used to create a power supply
for the high-side gate drive for OUTP.与OUTP间加自举电容 | 5 | OUTP | ) | Positive pin for differential speaker amplifier output.声道输出正端. | 6 | PVDD | P | Power Supply for internal power circuitry.功率电源 | 7 | OUTN | 0 | Negative pin for differential speaker amplifier output.声道输出负端. | 8 | BSN | BST | Connection point for the OUTN bootstrap capacitor, which is used to create a power
supply for the high-side gate drive for OUTN.与OUTP间加自举电容 | 9 | GVDD | ) | Voltage regulator derived from PVDD supply,connect luF to GND.LDO输出,接1uF电
容 到 地 。 | 10 | AVCC | P | Power supply for internal analog circuitry.模拟电源端 |
| GND |
| Provides both electrical and thermal connection from the device to the board. For proper
electrical operation, this ground pad must be connected to the system ground.既是地,
又是散热PAD |
|