TPA2028D1 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPA2028D1
Manufacturer

TI
ChipWorker Part#

CW486599153
RoHS

Lead free / RoHS Compliant
Description

3W Mono Class-D Audio Amplifier with fast gain ramp SmartGain AGC and DRC
Documentation

Datasheet

TPA2028D1 Global Supplier

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TPA2028D1 Specifications

Attribute	Attribute Value

Part Number	TPA2028D1
Manufacturer	TI
ChipWorker Part#	CW486599153
Documentation	Datasheet
	expand all
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The TPA2028D1 device is a mono, filter-free Class-D audio power amplifier with volume control, fast gain ramp SmartGain, dynamic range compression (DRC), and automatic gain control (AGC). It is available in a 1.63 mm × 1.63 mm wafer chip-scale package (DSBGA).
The DRC/AGC function in the TPA2028D1 device is programmable through a digital I2C interface. The DRC/AGC function can be configured to automatically prevent distortion of the audio signal and enhance quiet passages that are normally not heard. The DRC/AGC can also be configured to protect the speaker from damage at high power levels and compress the dynamic range of music to fit within the dynamic range of the speaker. The gain can be selected from 28 dB to +30 dB in 1-dB steps. The TPA2028D1 is capable of driving 3 W at 5 V into a 4-Ω load or 880 mW at 3.6 V into an 8-Ω load. The device features hardware and software shutdown controls and also provides thermal and short-circuit protection. The TPA2028D1 has a faster AGC gain ramp during start-up than TPA2018D1.
In addition to these features, a fast start-up time and small package size make the TPA2028D1 an ideal choice for cellular handsets, PDAs and other portable applications.
Fast AGC Start-up Time: 5 ms
Pinout Compatible with TPA2018D1
Filter-Free Class-D Architecture
3 W Into 4 Ω at 5 V (10% THD+N)
880 mW Into 8 Ω at 3.6 V (10% THD+N)
Power Supply Range: 2.5 V to 5.5 V
Flexible Operation With/Without I2C™
Programmable DRC/AGC Parameters
Digital I2C™ Volume Control
Selectable Gain from 28 dB to 30 dB in 1-dB
Steps (when compression is used)
Selectable Attack, Release and Hold Times
4 Selectable Compression Ratios
Low Supply Current: 1.8 mA
Low Shutdown Current: 0.2 µA
High PSRR: 80 dB
AGC Enable/Disable Function
Limiter Enable/Disable Function
Short-Circuit and Thermal Protection
Space-Saving Package
1.63 mm × 1.63 mm Nano-Free™ DSBGA
(YZF)
APPLICATIONS
Wireless or Cellular Handsets and PDAs
Portable Navigation Devices
Portable DVD Player
Notebook PCs
Portable Radio
Portable Games
Educational Toys
USB Speakers
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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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