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HM9306 Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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HM9306 Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd |
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4 / 18 page ![]() 电气特性*5 参数 符号 条件 最小值 典型值 最大值 单位 BOOST Converter BOOST输出电压 PVDD VBAT 7.0 7.5 V BOOST开关频率 fSW 410 kHz BOOST最大输出电流峰值 ILIMTRIP 3.2 A Class D Channel VSS=0V, VBAT =3.6V, RIN = 56K, Ta=25ºC, CIN=0.1uF, ACF-Off模式, 除非特殊说明 载波调制频率 fPWM 410 kHz D类过流保护值 Imax 5 A 系统增益 Av0 RIN=56 kΩ 26 dB 上电启动时间 (或从关 断唤醒时间,或从 AB类 切换至 D类唤醒时间) tSTUP 280 ms ACF衰减增益 Aa -16 0 dB 关断电流 ISD CTRL=VSS 25 µA PVDD = 6.5V 输出功率 PO RL=4Ω VBAT=4.2V, f=1kHz, THD+N=10% 5.6 W RL=3Ω 7.0 RL=8Ω 3.1 RL=4Ω VBAT=4.2V, f=1kHz, THD+N=1% 4.5 RL=3Ω 5.6 RL=8Ω 2.5 总谐波失真加噪声 THD+N PO=0.1W RL=4Ω, f=1kHz 0.23 % PO=1.0W 0.12 % PO=3.0W 0.15 % 输出噪声 VN f=20Hz~20kHz, A加权, Av=26dB 150 µVrms 信噪比 SNR A加权, Av=26dB, THD+N = 1% 90 dB 失调电压 VOS ± 2 mV 效率 (Class D + Boost) η VBAT=3.6V, RL=4Ω+22uH, THD+N = 10% 70 % VBAT=3.6V, RL=8Ω+33uH, THD+N = 10% 75 % 静态电流 IBAT No Load Input Grounded 20 mA With Load *6 20 mA 静音电流 IMUTE No Load Input Grounded, MUCH = H 8 mA With Load *6 8 mA 最大输入信号 VINmax fIN = 1kHz, THD+N≤10%, ACF-1 ON 1.2 Vrms PVDD = 7.0V 输出功率 PO RL=4Ω VBAT=4.2V, f=1kHz, THD+N=10% 6.6 W RL=3Ω 8.2 RL=8Ω 3.5 RL=4Ω VBAT=4.2V, f=1kHz, THD+N=1% 5.3 RL=3Ω 6.6 RL=8Ω 2.9 总谐波失真加噪声 THD+N PO=0.1W RL=4Ω, f=1kHz 0.23 % PO=1.0W 0.12 % PO=3.0W 0.15 % 输出噪声 VN f=20Hz~20kHz, A加权, Av=26dB 150 µVrms 信噪比 SNR A加权, Av=26dB, THD+N = 1% 90 dB 内置 BOOST 升压 D 类音频功率放大器 |
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