BD27400GUL
類比輸入單聲道D類喇叭放大器
BD27400GUL
類比輸入單聲道D類喇叭放大器
BD27400GUL是為手機、行動裝置等移動、音頻產品用途而開發的低電壓驅動的單聲道D類喇叭放大器。喇叭輸出無需使用LC濾波器，可通過外接電阻設定增益。與D類動作相比效率高、功耗低，最適於電池驅動應用。待機消耗電流為0.1µA(typ.)，從待機狀態恢復的時間短、爆破音小，適用於重複進行待機⇔動作的組件。
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]
26(max)
Maximum Output [W,RL=8Ω]
0.85
Maximim Output [W,RL=4Ω]
2.5
Minimum Load [Ω]
4
Input Type
Single
Start Up Time [ms]
3
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:
・ High output power 2.5W typ.（VDD=5V,RL=4Ω,THD+N=10%,BTL）・ Very small package 9-Pin WL-CSP (1.5*1.5*0.55mmMAX)
・ Gain selectable by external resistor
・ LC Filter less
・ Stand by function
・ Protection circuitry (Short protection, Thermal shutdown, Under voltage lockout)
・ Analogue differential input / PWM digital output
・ Pop noise suppression circuitry
參考設計 / 應用評估套件
-
- Evaluation Board - BD27400GUL-EVK-001
BD546xGUL series, BD27400GUL are a wafer-level CSP packaged low voltage monaural Class-D speaker amplifier for mobile phone, portable type electric devices. BD5460/61GUL are a fixed gain type. BD27400GUL is a variable gain type, BD5465/66/67/68/69GUL are fixed gain with ALC type.
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