LPA2010S 3W Filter-free Mono Class-D Audio Power Amplifier
■The LPA2010S is a 3-W high efficiency filter-free mono class-D audio power amplifier (class-D amp) that requires only few external components. Its low THD+N feature offers high-quality sound reproduction. The new filterless architecture allows the device to drive speakers directly instead of using low-pass output filters thus saving PCB area and system cost.
■The LPA2010S contains circuitry to prevent “pop and click” noise that would occur during turn-on and turn-off transitions. For maximum flexibility, the LPA2010S provides an externally controlled gain (with resistors), as well as an externally controlled turn-on and turn-off times (with the bypass capacitor).
■The LPA2010S is capable of delivering 2.8W of continuous average power to a 4Ω load from a 5V power supply with less than 10% distortion (THD+N). The device utilizes a fully differential architecture, a full-bridged output, and a low-EMI modulation scheme.
■The LPA2010S is designed specifically to provide high quality output audio power with a minimal number of external components. The LPA2010S does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited where minimal board or solution size is a primary requirement. It features a low-power shutdown mode, which is achieved by driving the SD pin with logic low. Additionally, the LPA2010S features output short-circuit protection and internal thermal-overload protection.
■The LPA2010S is available in a MSOP8&DFN-8 package.
●Features
■2.5-5.5V Operation Voltage
■4.5mA Quiescent Current
■<1μA Shutdown Current
■Maximum Battery Life and Minimum Heat: up to 87% efficiency at 1.7W
■500kHz fixed frequency switching
■Optimized PWM Output Stage Eliminates LC Output Filter
■Low EMI
■Output Power (PO) at 10% THD+N: VDD=5V, 4Ω load, 2.8W
■Output Power (PO) at 1% THD+N: VDD=5V, 4Ω load, 2.3W
■External Gain Configuration Capability
■Short Circuit Protection
■RoHS Compliant and 100% Lead(Pb)-Free
■Package: MSOP8/DFN-8（2*2mm）
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Filter-free Mono Class-D Audio Power Amplifier 、 high efficiency filter-free mono class-D audio power amplifier |
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[ GPS Tracker ][ PSP ][ BT Speaker ][ Portable Electronic Devices ] |
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Datasheet |
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Please see the document for details |
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MSOP8;DFN-8 |
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English Chinese Chinese and English Japanese |
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Jul-2022 |
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Rev:0.2 |
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1.4 MB |
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