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TPA6140A2 Overview Sachin Ranganathan Portable Audio Marketing Manager March 2009 TPA6140A2 Class-G DirectPath TM Headphone Amplifier with I 2 C Volume Control EVM Features TI Class-G technology DirectPath™ technology 1.6 mm x 1.6 mm, 0.4 mm pitch WCSP 1.2 mA from 2.3 V to 5.5 V supply

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tpa6140a2 overview

TPA6140A2Overview

Sachin Ranganathan

Portable Audio Marketing Manager

March 2009

tpa6140a2 class g directpath tm headphone amplifier with i 2 c volume control
TPA6140A2Class-G DirectPathTM Headphone Amplifier with I2C Volume Control

EVM

Features

  • TI Class-G technology
  • DirectPath™ technology
  • 1.6 mm x 1.6 mm, 0.4 mm pitch WCSP
  • 1.2 mA from 2.3 V to 5.5 V supply
  • 32-step, -59 dB to +4 dB gain range
  • I2C interface
  • Fully differential (or SE) stereo input
  • 100 dB+ power supply rejection at 217 Hz
  • No turn-on or turn-off pop
  • High-impedance output mode

Benefits

  • Long battery life for MP3 playback
  • No large output capacitors
  • Small board solution
  • Very Low power consumption
  • Built-in volume control without ext. resistors
  • Simple digital control interface
  • Excellent system noise rejection
  • No GSM frame-rate noise
  • Noiseless activation
  • No ext. switch reqd. for multi-function jacks

Applications

  • Mobile/Smart phones
  • Portable Media/MP3 Players

1ku: WCSP $0.95

TPA6140A2EVM

ti stereo headphone amplifiers
TI Stereo Headphone Amplifiers

TPA6132A2

TPA6135A2

TPA6110A2

TPA6111A2

TPA6112A2

TPA6130A2

TPA4411

  • 25 mW/Ch Output Power
  • DirectPathTM (Cap-free)
  • Low Power Consumption
  • Advanced Pop Reduction
  • Hi-Z Mode (TPA6135A2)
  • Package: QFN
  • 80 mW/Ch Output Power
  • DirectPathTM (Cap-free)
  • Fixed Gain
  • Package: QFN, WCSP
  • 138 mW/Ch Output Power
  • DirectPathTM (Cap-free)
  • I2C Volume Control
  • Advanced Pop Reduction
  • Package: QFN, WCSP
  • 150 mW/Ch Output Power
  • PC Supply Compatible
  • External Gain
  • TPA6110A2, TPA6111A2: Different Pin Order
  • TPA6112A2: Diff Inputs
  • Package: MSOP-PowerPad, SOIC (TPA6111A2)

TPA6140A2

  • High efficiency Class-G
  • Very Low Power Consumption
  • DirectPath
  • I2C volume control
  • Hi-Z mode
  • 0.4 mm pitch WCSP

TPA6100A2

TPA6101A2

TPA6102A2

  • 50 mW/Ch Output Power
  • 0.75 mA Quiescent Current
  • TPA6100A2: External Gain
  • TPA6101A2: 2 dB Fixed Gain
  • TPA6102A2: 14 dB Fixed Gain
  • Package: BGA (TPA6101A2), MSOP, SOIC

Traditional

105 dB

100 dB

NEW

SNR

95 dB

90 dB

Class-G + DirectPathTM

85 dB

DirectPathTM