TPA6139A2 Datasheet, PDF (3/22 Pages) Texas Instruments – DirectPath™ 25-mW Headphone Amplifier With Programmable-Fixed Gain

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SYSTEM BLOCK DIAGRAM
TPA6139A2
SLOS700B – JANUARY 2011 – REVISED JUNE 2012
GAIN
Control
Left
Right
Current
Limit
De Pop
Current
Limit
Charge Pump
Thermal
Limit
Power
Management
T_A
–40°C to 85°C
–40°C to 85°C
ORDERING INFORMATION⁽¹⁾
PACKAGE
TPA6139A2PW
TPA6139A2RGT
DESCRIPTION
14-pin TSSOP
16-pin QFN
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
Web site at www.ti.com.
THERMAL INFORMATION
θ_JA
θ_JCtop
θ_JB
ψ_JT
ψ_JB
θ_JCbot
THERMAL METRIC⁽¹⁾
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
TPA6139A2
PW (14-Pin)
130
49
63
3.6
62
N/A
TPA6139A2
RGT (16-Pin)
52
71
26
3.0
26
9.8
UNITS
°C/W
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
Copyright © 2011–2012, Texas Instruments Incorporated
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