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 TPA0211DGN from Texas Instruments is a 2-W mono bridge-tied-load (BTL) audio power amplifier. It is designed to efficiently drive speakers with impedances as low as 4 Ω. This amplifier is suitable for a variety of small portable audio applications, including wireless communicators, notebook PCs, and PDAs.
Key electrical characteristics include a wide power supply compatibility range from 3 V to 5 V, with the ability to deliver 2 W into a 4 Ω load from a 5 V supply, or 0.6 W from a 3 V supply. The device features low supply current, typically 4 mA at 5 V or 3 V, and a very low shutdown current of 1 µA typical. The input stage gain is user-configurable, and the power stage has internal gains of -1.25 V/V in SE mode and -2.5 V/V in BTL mode.
The TPA0211DGN operates over an ambient temperature range of -40 °C to 85 °C. It is housed in a space-saving, thermally-enhanced 8-pin MSOP package, making it ideal for designs where board space is limited. The shutdown pin is TTL compatible, simplifying integration into various system designs.
| Qty | Low | High |
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| 1+ | $1.43 | $1.43 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The TPA0211DGN delivers 2W into a 4Ω load from a 5V supply, or 0.6W into a 4Ω load from a 3V supply.
The power stage and analog supply voltage range is 2.5V to 5.5V.
The operating temperature range is -40°C to 85°C.
The TPA0211DGN is available in a surface mount MSOP package.
The typical supply current is 4mA at both 5V and 3V.
The shutdown current is 1µA typical.
