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TPA2012D2 Datasheet

  • TPA2012D2

  • 2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER

  • 422.47KB

  • 15頁(yè)

  • TI

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YZH
TPA2012D2
RTJ
SLOS438 鈥?DECEMBER 2004
www.ti.com
2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
FEATURES
鈥?/div>
2.1 W/Ch Into 4
鈩?/div>
at 5 V
鈥?/div>
1.4 W/Ch Into 8
鈩?/div>
at 5 V
鈥?/div>
720 mW/Ch Into 8
鈩?/div>
at 3.6 V
Only Two External Components Required
Power Supply Range: 2.5 V to 5.5 V
Independent Shutdown Control for Each
Channel
Selectable Gain of 6, 12, 18, and 24 dB
Internal Pulldown Resistor On Shutdown Pins
High PSRR: 77 dB at 217 Hz
Fast Startup Time (3.5 ms)
Low Supply Current
Low Shutdown Current
Short-Circuit and Thermal Protection
Space Saving Packages
鈥?/div>
2 mm X 2 mm NanoFree鈩?WCSP (YZH)
(Future Product)
鈥?/div>
4 mm X 4 mm Pb-Free Thin QFN (RTJ)
with PowerPAD鈩?/div>
APPLICATIONS
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Wireless or Cellular Handsets and PDAs
Portable DVD Player
Notebook PC
Portable Radio
Portable Gaming
Educational Toys
USB Speakers
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
DESCRIPTION
The TPA2012D2 is a stereo, filter-free Class-D audio
amplifier available in a WCSP or QFN package. The
TPA2012D2 only requires two external components
for operation.
The TPA2012D2 features independent shutdown
controls for each channel. The gain can be selected
to 6, 12, 18, or 24 dB utilizing the G0 and G1 gain
select pins. High PSRR and differential architecture
provide increased immunity to noise and RF rectifi-
cation. In addition to these features, a fast startup
time and small package size make the TPA2012D2
an ideal choice for both cellular handsets and PDAs.
The TPA2012D2 is capable of driving 1.4 W/Ch at
5 V or 720 mW/Ch at 3.6 V into 8
鈩?
The TPA2012D2
is also capable of driving 4
鈩?
The TPA2012D2
provides thermal and short circuit protection.
APPLICATION CIRCUIT
HPL
or
SPK1
INL鈭?/div>
INL+
PV
DD
AV
DD
PGND
AGND
HPR
or
SPK2
INR鈭?/div>
INR+
TPA2012D2
OUTR+
OUTR鈭?/div>
OUTL+
OUTL鈭?/div>
SDR SDL
Shutdown
Control
G0
G1
Gain
Control
TPA4411
To Battery
C
S
TLV320AIC26
or
TLV320AIC28
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.
NanoFree, PowerPAD are trademarks of Texas Instruments.
UNLESS OTHERWISE NOTED this document contains PRO-
DUCTION DATA information current as of publication date. Prod-
ucts conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily
include testing of all parameters.
Copyright 漏 2004, Texas Instruments Incorporated

TPA2012D2 產(chǎn)品屬性

  • 2.5 → 5.5 V

  • 表面貼裝

  • 4.15mm

  • QFN

  • 4.15 x 4.15 x 0.75mm

  • 移動(dòng)電話、益智玩具、掌上電腦、便攜式計(jì)算機(jī)、便攜式 DVD 播放機(jī)、便攜式游戲機(jī)、便攜式收音機(jī)、USB 音箱、無(wú)線聽(tīng)筒

  • 20

  • D 類(lèi)

  • -40 °C

  • -69dB

  • +85 °C

  • 2

  • 單

  • 差分、單端

  • 差分

  • 2聲道立體聲

  • 4.15mm

  • 0.75mm

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