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TPA2028D1YZFR Folha de dados(PDF) 1 Page - Texas Instruments

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Nome de Peças TPA2028D1YZFR
Descrição Electrónicos  3-W Mono Class-D Audio Amplifier With Fast Gain Ramp SmartGain AGC/DRC
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

TPA2028D1YZFR Folha de dados(HTML) 1 Page - Texas Instruments

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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
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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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