BD5634NUX
Analog Input Monaural Class-D Speaker Amplifiers
BD5634NUX
Analog Input Monaural Class-D Speaker Amplifiers
BD5634NUX是用于手机、便携式设备等的移动音频产品而开发的低电压驱动的D类单声道扬声器放大器。无需扬声器输出的LC滤波器，固定增益12dB，只需3个外接元器件就可以构成扬声器放大器。由于采用D类工作方式，高效率低功耗，适合于电池驱动的应用方案。待机电流为0，从待机到工作的起动快速，并且因为POP音少，适合用于待机⇔动作的反复操作。
主要规格
特性：
Grade
Standard
Circuit Type
Class D
Number of Ch
1(Analog)
Speaker Amp Output Power(Max.)[W]
2.5
Gain [dB]
12
Maximum Output [W,RL=8Ω]
1.5
Maximim Output [W,RL=4Ω]
2.5
Minimum Load [Ω]
4
Input Type
Differential
Start Up Time [ms]
0.51
Stand-by Current [µA]
0.1
Power Supply Voltage (Min.) [V]
2.5
Power Supply Voltage (Max.) [V]
5.5
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
特点：
・无LC滤波器・只需3个外接元器件
・高功率2.5W/4Ω/BTL(VDD=5V、RL=4Ω、THD+N=10％)
・高功率0.85W/8Ω/BTL(VDD=3.6V、RL=8Ω、THD+N=10％)
・增益12dB
・模拟差动输入/PWM数字输出
・内置POP音降低电路
・内置待机功能
・内置保护电路(输出短路保护(自动恢复型)、热关断保护、减电保护)
・小型封装8PIN VSON
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BD5638NUX-EVK-001
BD5638NUX series are a small packaged low voltage monaural Class-D speaker amplifier for mobile phone, portable type electric devices. BD5638NUX evaluation board can be used as BD5632NUX evaluation board or BD5634NUX evaluation board by changing the input resisters.
