BD5468GUL
Analog Input Monaural Class-D Speaker Amplifiers
BD5468GUL
Analog Input Monaural Class-D Speaker Amplifiers
此IC为内置ALC的小型单声道D类扬声器放大器。支持差分模拟输入,可以广泛应用于手机、笔记本电脑等便携式设备到搭载语音合成的家电和医疗保健设备的宽领域中。效率实现业界顶级的90%,有助于实现低发热、节能。
主要规格
特性:
Grade
Standard
Circuit Type
Class D
Number of Ch
1(Analog)
Speaker Amp Output Power(Max.)[W]
1
Gain [dB]
13
Maximum Output [W,RL=8Ω]
0.8
Maximim Output [W,RL=4Ω]
1.6
Minimum Load [Ω]
4
Input Type
Differential
Start Up Time [ms]
1.02
ALC/Relese time [ms/dB]
Yes/4
Stand-by Current [µA]
0.01
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:
・内建數位ALC(Automatic Level Control)功能・外接元件:3點
・超小型封装:9pin WL-CSP(1.7×1.7×0.55mmMax.)
・BD5460/61GUL(無ALC功能,,增益固定產品) 引腳相容規格
・BD5466GUL(有ALC功能,最大增益+18dB(Typ.)) 引脚相容規格
・最大增益:13dB(Typ.) [ALC工作时, 13~-2dB@1dB Step]
・ALC快速Release(回復)Time:4ms/1dB(Typ.)
・限制輸出功率:
0.7W (Typ.)[VDD=4.2V, RL=8Ω, THD+N≦1%]
0.5W (Typ.)[VDD=3.6V, RL=8Ω, THD+N≦1%]
・音訊類比輸入(對應差動/單輸入兩種方式)
・無LC濾波輸出
・POP音降低電路
・關断功能(兼靜音)[關斷電流= 0.01μA (Typ.)]
・内建保護電路:輸出短路、熱截斷、低電壓保護
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BD5468GUL-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.