See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DDV | 44

Temp:

C (0 to 70)

ECO Plan:

Green (RoHS & no Sb/Br)

TPA3221DDV


100W Stereo / 200W Mono HD Analog-Input Class-D Amplifier

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750 - 999 $ 3.27
1000 - 9999 $ 2.83

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Texas Instruments TPA3221DDV

TPA3221 is a high-power Class-D amplifier that enables efficient operation at full-power, idle and standby. The device features closed-loop feedback with a bandwidth up to 100 kHz, which provides low distortion across the audio band and delivers excellent sound quality. The device operates with either AD or low idle-current HEAD (High Efficient AD mode) modulation, and can drive up to 2 x 105 W into 4-Ω load or 1 x 208 W into 2-Ω load.

The TPA3221 features a single-ended or differential analog-input interface that supports up to 2 VRMS with four selectable gains: 18 dB, 24 dB, 30 dB and 34 dB. The TPA3221 also achieves >90% efficiency, low idle power (<0.25 W) and ultra-low standby power (<0.1 W). This is made possible through the use of 70-mΩ MOSFETs, an optimized gate drive scheme and low-power operating modes. TPA3221 includes a built-in LDO for easy integration in single-power-supply systems. To further simplify the design, the device integrates essential protection features including undervoltage, overvoltage, cycle-by-cycle current limit, short circuit, clipping detection, overtemperature warning and shutdown, as well as DC speaker protection.

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