BC847B/215
Nexperia USA Inc.
The Nexperia USA Inc. BC847B/215 is a bipolar transistor. It is RoHS3 Compliant and has an MSL Level 1 rating.
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The TPA2005D1DRBR from Texas Instruments is a 1.4-W, mono, filter-free Class-D audio power amplifier. It features an analog input and is designed for efficient operation, providing 1.4 W into an 8-Ω load from a 5 V supply at 10% THD.
Key electrical characteristics include a wide analog supply voltage range of 2.5 V to 5.5 V and a power stage supply range also from 2.5 V to 5.5 V. The amplifier boasts a typical quiescent current of 2.8 mA and a shutdown current of 0.5 μA, contributing to maximum battery life and minimum heat. Efficiency is rated at 84% at 400 mW and 79% at 100 mW with an 8-Ω speaker.
Designed for space-saving applications, the TPA2005D1DRBR utilizes an optimized PWM output stage that eliminates the need for an LC output filter. It operates with an internally generated 250-kHz switching frequency. The device supports driving an 8-Ω speaker from 2.5 V to 5.5 V and a 4-Ω speaker from 2.5 V to 4.2 V.
Available in various packages including HVSSOP, VSON, QFN, MicroStar Junior BGA, and MSOP PowerPAD, this amplifier is suitable for mobile phones, tablets, wearables, PCs, notebooks, and soundbar applications. Its operating temperature range is -40°C to 85°C.
| Qty | Low | High |
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Estimated market price range - modelled values for guidance only, not live distributor offers.
The analog and power stage supply voltage range is 2.5V to 5.5V.
Available packages include HVSSOP (DGN), VSON (DRB), QFN, MicroStar Junior BGA, and MSOP PowerPAD, with dimensions ranging from 2.5mm x 2.5mm to 3mm x 5mm.
The operating temperature range is -40°C to 85°C.
The typical output power is 1.4W into an 8Ω load from a 5V supply at 10% THD.
The typical THD+N is 0.2% at 1 kHz.
Efficiency is 84% typical at 400mW and 79% typical at 100mW into an 8Ω speaker.
The internally generated switching frequency is 250 kHz.