BD5465GUL
Analog Input Monaural Class-D Speaker Amplifiers
BD5465GUL
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]
0.6
Gain [dB]
12
Maximum Output [W,RL=8Ω]
0.6
Maximim Output [W,RL=4Ω]
1
Minimum Load [Ω]
4
Input Type
Differential
Start Up Time [ms]
1.02
ALC/Relese time [ms/dB]
Yes/560
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：
・内置数字ALC(Automatic Level Control)功能・外接元器件：3个
・超小型封装：9pin WL-CSP(1.8 × 1.8 × 0.55mmMax.)
・BD5460/61GUL(无ALC功能,增益固定品) 引脚可互换规格
BD5466/67/68GUL(有ALC功能, 增益固定品) 引脚可互换规格
・最大增益：12dB(Typ.) [ALC工作时, +12～-3dB@1dB Step(Typ.)]
・ALC限制控制型：输出限制电平电源电压非依赖（固定）型
・ALC限制输出功率：0.6W (Typ.)[VDD=3.4～5.5V, RL=8Ω]
・ALC恢复(Recovery)时间：560ms/1dB(Typ.)
・音频模拟输入 (支持差分 /单输入两种方式)
・无输出滤波器
・内置POP噪音降低电路
・关断功能(静音功能兼用) [低关断电流=0.01μA (Typ.)]
・内置保护电路：输出短路,热关断,低电压保护电路(UVLO)
Reference Design / Application Evaluation Kit
-
- Evaluation Board - BD5465GUL-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.
