GK2171

GK2171 Rev.1.0 GK2171 —— 3W Audio Power Amplifier with Shutdown Mode z General Description --- The GK2171 is a mono bridged audio power amplifier capable of delivering 3W of continuous average power into a 3Ωload with less than 10% THD when powered by a 5Vpower supply . --- The GK2171 does not require output coupling capacitors, bootstrap capacitors, or snubber networks, it is ideally suited for low-power portable systems that require minimum volume and weight. --- The GK2171 features include thermal shutdown protection, unity-gain stability, and extrnal gain set. z Key Specifications ·PO （5.0V & 10％ THD＋N） SOP：into 8Ω 1.5W （typ） SOP/PP：into 4Ω 2.6W （typ） SOP/PP：into3Ω 3.0W （typ） ·Shutdown current 0.1 uA （typ） ·THD at 1kHz at 1W continuous average output power into 8Ω load. 0.25% (max) z Features ·No output coupling capacitors, bootstrap capacitors, orsnubber circuits required ·Unity-gain stable ·SOP packaging ·External gain configuration capability ·Pin compatible with the HWD2171M z Applications ·Portable computers ·Desktop computers ·Low voltage audio systems z Operating Ratings ·Temperature Range ·Supply Voltage www.chinacs2.com ﹣40℃～85℃ 2.0V≤VDD≤5.5V C 2011, Chengdu Chengdian Silicon Sea Technology Co.,Ltd. Copyright○ - 1 - GK2171 Rev.1.0 z Typical Application z Connection Diagram www.chinacs2.com C 2011, Chengdu Chengdian Silicon Sea Technology Co.,Ltd. Copyright○ - 2 - GK2171 Rev.1.0 z Absolute Maximum Ratings ·Supply Voltage ·Storage Temperature ·Input ...