BD5638NUX
Analog Input Monaural Class-D Speaker Amplifiers
BD5638NUX
Analog Input Monaural Class-D Speaker Amplifiers
BD5638NUX為手機、攜帶式設備等的行動音訊産品用而開發的低電壓驅動的D類單聲道喇叭放大器。無需喇叭輸出的LC濾波器，固定增益18dB，僅3個外接元件就可構成喇叭放大器。由於採用D類作動方式，高效率低功耗，最適合於電池驅動的應用中。待機電流爲0μA，從待機到作動時的起動快速，並且因爲爆音少，適合用於待機⇔動作的反覆操作。
Product Detail
規格:
Grade
Standard
Circuit Type
Class D
Number of Ch
1(Analog)
Speaker Amp Output Power(Max.)[W]
2.5
Gain [dB]
18
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
功能:
・無LC濾波器・僅3個外接元件
・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18dB
・類比差動輸入/PWM數位輸出
・內建爆音降低電路
・内建待機功能
・内建保護電路(輸出短路保護(自動恢復型)、熱截斷、低電壓保護)
・小型封裝8PIN VSON
參考設計 / 應用評估套件
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- 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.
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