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TPA2028D1YZFR Folha de dados(PDF) 1 Page - Texas Instruments |
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TPA2028D1YZFR Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 43 page IN- IN+ PGND OUT+ OUT- ToBattery SDA SCL EN MasterEnable TPA2028D1 Digital BaseBand Analog Baseband or CODEC PVDD 10 F m C 1 F (Optional) IN m I CClock 2 I CData 2 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPA2028D1 SLOS660C – JANUARY 2010 – REVISED OCTOBER 2015 TPA2028D1 3-W Mono Class-D Audio Amplifier With Fast Gain Ramp SmartGain™ AGC/DRC 1 Features 3 Description The TPA2028D1 device is a mono, filter-free Class-D 1 • Fast AGC Start-up Time: 5 ms audio power amplifier with volume control, fast gain • Pinout Compatible with TPA2018D1 ramp SmartGain™, dynamic range compression • Filter-Free Class-D Architecture (DRC), and automatic gain control (AGC). It is available in a 1.63 mm × 1.63 mm wafer chip-scale • 3 W Into 4 Ω at 5 V (10% THD+N) package (DSBGA). • 880 mW Into 8 Ω at 3.6 V (10% THD+N) The DRC/AGC function in the TPA2028D1 device is • Power Supply Range: 2.5 V to 5.5 V programmable through a digital I2C interface. The • Flexible Operation With/Without I2C™ DRC/AGC function can be configured to automatically • Programmable DRC/AGC Parameters prevent distortion of the audio signal and enhance quiet passages that are normally not heard. The • Digital I2C™ Volume Control DRC/AGC can also be configured to protect the • Selectable Gain from –28 dB to 30 dB in 1-dB speaker from damage at high power levels and Steps (when compression is used) compress the dynamic range of music to fit within the • Selectable Attack, Release and Hold Times dynamic range of the speaker. The gain can be selected from –28 dB to +30 dB in 1-dB steps. The • 4 Selectable Compression Ratios TPA2028D1 is capable of driving 3 W at 5 V into a • Low Supply Current: 1.8 mA 4- Ω load or 880 mW at 3.6 V into an 8-Ω load. The • Low Shutdown Current: 0.2 μA device features hardware and software shutdown • High PSRR: 80 dB controls and also provides thermal and short-circuit protection. The TPA2028D1 has a faster AGC gain • AGC Enable/Disable Function ramp during start-up than TPA2018D1. • Limiter Enable/Disable Function In addition to these features, a fast start-up time and • Short-Circuit and Thermal Protection small package size make the TPA2028D1 an ideal • Space-Saving Package choice for cellular handsets, PDAs and other portable – 1.63 mm × 1.63 mm Nano-Free™ DSBGA applications. (YZF) Device Information(1) 2 Applications PART NUMBER PACKAGE BODY SIZE (NOM) TPA2028D1 DSBGA (9) 1.63 mm x 1.63 mm • Wireless or Cellular Handsets and PDAs (1) For all available packages, see the orderable addendum at • Portable Navigation Devices the end of the data sheet. • Portable DVD Player • Notebook PCs Simplified Application Diagram • Portable Radio • Portable Games • Educational Toys • USB Speakers 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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Descrição semelhante - TPA2028D1YZFR |
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