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TPA2005D1DRBQ1 데이터시트(PDF) 1 Page - Texas Instruments

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부품명 TPA2005D1DRBQ1
상세설명  1.4-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

TPA2005D1DRBQ1 데이터시트(HTML) 1 Page - Texas Instruments

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FEATURES
APPLICATIONS
DESCRIPTION
APPLICATION CIRCUIT
_
+
IN–
IN+
PWM
H–
Bridge
VO+
VO–
Internal
Oscillator
CS
To Battery
VDD
GND
Bias
Circuitry
RI
RI
+
Differential
Input
TPA2005D1
SHUTDOWN
Actual Solution Size
2.5 mm
CS
RI
RI
6 mm
(MicroStar Junior
™ BGA)
TPA2005D1-Q1
SLOS474 – AUGUST 2005
1.4-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
Space Saving Package
Qualification in Accordance With AEC-Q100 (1)
– 3 mm x 3 mm QFN package (DRB)
Qualified for Automotive Applications
– 2,5 mm x 2,5 mm MicroStar Junior™
BGA Package (ZQY)
Customer-Specific Configuration Control Can
Be Supported Along With Major-Change
– 3 mm x 5 mm MSOP PowerPAD™ Package
Approval
(DGN)
1.4 W Into 8
Ω From a 5-V Supply at
– TPA2010D1 Available in 1,45 mm x 1,45 mm
THD = 10% (Typ)
WCSP (YZF)
Maximum Battery Life and Minimum Heat
– Efficiency With an 8-
Ω Speaker:
Ideal for Wireless or Cellular Handsets and
• 84% at 400 mW
PDAs
• 79% at 100 mW
– 2.8-mA Quiescent Current
– 0.5-
µA Shutdown Current
The TPA2005D1 is a 1.4-W high-efficiency filter-free
class-D audio power amplifier in a MicroStar Junior™
Only Three External Components
BGA, QFN, or MSOP package that requires only
– Optimized PWM Output Stage Eliminates LC
three external components.
Output Filter
Features like 84% efficiency, -71-dB PSRR at
– Internally Generated 250-kHz Switching
217 Hz, improved RF-rectification immunity, and
Frequency Eliminates Capacitor and
15-mm2 total PCB area make the TPA2005D1 ideal
Resistor
for cellular handsets. A fast start-up time of 9 ms with
– Improved PSRR (-71 dB at 217 Hz) and
minimal pop makes the TPA2005D1 ideal for PDA
Wide Supply Voltage (2.5 V to 5.5 V)
applications.
Eliminates Need for a Voltage Regulator
In cellular handsets, the earpiece, speaker phone,
– Fully Differential Design Reduces RF
and melody ringer can each be driven by the
Rectification and Eliminates Bypass
TPA2005D1. The device allows independent gain
Capacitor
control by summing the signals from each function,
while minimizing noise to only 48
µV
RMS.
– Improved CMRR Eliminates Two Input
Coupling Capacitors
(1)
Contact factory for details. Q100 qualification data available
on request.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
MicroStar Junior, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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