TPA6047A4_16 Datasheet, PDF (2/27 Pages) Texas Instruments – 2-W STEREO AUDIO POWER AMPLIFIER WITH DirectPath STEREO HEADPHONE DRIVE AND REGULATOR

TPA6047A4
SLOS601 – OCTOBER 2008.............................................................................................................................................................................................. www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Functional Block Diagram
REG_EN
0.47 mF
BYPASS
SPKR_EN
HP_EN
1 mF
VDD
SPKR_RIN+
1 mF _{SPKR_RIN–}
1 mF
GAIN0
GAIN1
SPKR_LIN+
1 mF _{SPKR_LIN–}
1 mF
4.5 V – 5.5 V
SPVDD
1 mF
HP_INL
1 mF
HP_INR
3 V – 5.5 V ^{1 mF} HPVDD
1 mF
CPVDD
CPGND
Bias Control
LDO
Gain Control
HPVDD
–
+
HPVSS
+
–
HPVDD
SPVDD
+–
+
–
SPGND
SPVDD
+–
–+
SPGND
Charge Pump
C1P
1 mF
C1N
CPVSS
GND
HPVSS
1 mF
(4.75-V Output)
REG_OUT
1 mF
ROUT+
ROUT–
LOUT+
LOUT–
HP_OUTL
HP_OUTR
SPGND
2
Submit Documentation Feedback
Product Folder Link(s): TPA6047A4
Copyright © 2008, Texas Instruments Incorporated