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TPA6132A2 Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce TPA6132A2
Description  Stereo Headphone Amplifier With Pop Suppression
Download  28 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPA6132A2 Fiches technique(HTML) 1 Page - Texas Instruments

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INR+
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INL+
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OUTR
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TPA6132A2
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TPA6132A2
SLOS597A – DECEMBER 2008 – REVISED OCTOBER 2014
TPA6132A2 25-mW DirectPath™ Stereo Headphone Amplifier With Pop Suppression
1 Features
3 Description
The TPA6132A2 (sometimes referred to as TPA6132)
1
Patented DirectPath™ Technology Eliminates
is a DirectPath™ stereo headphone amplifier that
Need for DC-Blocking Capacitors
eliminates the need for external dc-blocking output
Outputs Biased at 0 V
capacitors. Differential stereo inputs and built-in
Excellent Low Frequency Fidelity
resistors set the device gain, further reducing external
component count. Gain is selectable at –6 dB, 0 dB,
Active Click and Pop Suppression
3 dB or 6 dB. The amplifier drives 25 mW into 16
2.1 mA Typical Supply Current
speakers from a single 2.3 V supply. The TPA6132A2
Fully Differential or Single-Ended Inputs
(TPA6132) provides a constant maximum output
power independent of the supply voltage, thus
Built-In Resistors Reduces Component Count
facilitating the design for prevention of acoustic
Improves System Noise Performance
shock.
Constant Maximum Output Power from 2.3 V to
The TPA6132A2 features fully differential inputs to
5.5 V Supply
reduce system noise pickup between the audio
Simplifies Design to Prevent Acoustic Shock
source and the headphone amplifier. The high power
Improved RF Noise Immunity
supply noise rejection performance and differential
architecture provides increased RF noise immunity.
MicrosoftTM Windows VistaTM Compliant
For single-ended input signals, connect INL+ and
High Power Supply Noise Rejection
INR+ to ground.
100 dB PSRR at 217 Hz
The device has built-in pop suppression circuitry to
90 dB PSRR at 10 kHz
completely eliminate disturbing pop noise during turn-
Wide Power Supply Range: 2.3 V to 5.5 V
on and turn-off. The amplifier outputs have short-
circuit and thermal-overload protection along with
Gain Settings: –6 dB, 0 dB, 3 dB, and 6 dB
±8
kV
HBM
ESD
protection,
simplifying
end
Short-Circuit and Thermal-Overload Protection
equipment compliance to the IEC 61000-4-2 ESD
±8 kV HBM ESD Protected Outputs
standard.
Small Package Available
The TPA6132A2 operates from a single 2.3 V to
16-Pin, 3 mm × 3 mm Thin QFN
5.5 V supply with 2.1 mA of typical supply current.
Shutdown mode reduces supply current to less than
2 Applications
1
μA.
Smart Phones / Cellular Phones
Device Information(1)
Notebook Computers
PART NUMBER
PACKAGE
BODY SIZE (NOM)
CD / MP3 Players
TPA6132A2
WQFN (16)
3.00 mm x 3.00 mm
Portable Gaming
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
4 Simplified Schematic
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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