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TPA2051D3YFFRTIN/a3000avai2.9-W 3-Input Audio Subsystem with SmartGain&#153 Mono Class-D and DirectPath&#1 Headphone Amplifier 25-DSBGA -40 to 85


TPA2051D3YFFR ,2.9-W 3-Input Audio Subsystem with SmartGain&#153 Mono Class-D and DirectPath&#1 Headphone Amplifier 25-DSBGA -40 to 85PIN FUNCTIONSPIN INPUT/ OUTPUT/POWERDESCRIPTIONBALLNAME (I/O/P)WCSPOUT+ A1 O Speaker positive outpu ..
TPA220 ,TRISILABSOLUTE MAXIMUM RATINGS (T = 25°C)ambSymbol Parameter Value UnitP Power dissipation on infinite he ..
TPA240 ,TRISILFEATURESn BIDIRECTIONAL CROWBAR PROTECTION.n VOLTAGE RANGE: FROM 62 V TO 270 V.n HOLDING CURRENT :I ..
TPA270 ,TRISILABSOLUTE MAXIMUM RATINGS (T = 25°C)ambSymbol Parameter Value UnitP Power dissipation on infinite he ..
TPA270RL ,TRISIL FOR TELECOM EQUIPMENT PROTECTIONAPPLICATIONSTelecommunication equipment such as:■ Analog and digital line cards (xDSL, T1/E1,ISDN, ..
TPA3000D1 , 17-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
TR9-B-S , Transformers for Inverter or Converter
TRC101 , highly integrated single chip
TRC102 , 400-1000MHz RF Transceiver
TRF2020PW ,SYNTHESIZER FOR GLOBAL SYSTEM FOR MOBILE GSM CELLULAR TELEPHONES
TRF2050PW ,LOW-VOLTAGE 1.2-GHz FRACTIONAL-N/INTEGER-N SYNTHESIZER
TRF2056 ,Low-Voltage 1.2-GHz Fractional-N/Integer-N Synthesizer 20-TSSOP 0 to 70


TPA2051D3YFFR
2.9-W 3-Input Audio Subsystem with SmartGain™ Mono Class-D and DirectPath Headphone Amplifier
1FEATURES
APPLICATIONS

FMTuner
ABB
Codec
(MP3)
TPA2051D3
Mono Class-D
plus
DirectPathTM

8Dual-Mode
Speaker
Stereo
Headphone Jack
Mono+
Mono-
Left
(SE)
Right
Left
(SE)
Right
(SE)
Bypass+
Bypass-
TPA2051D3
www.ti.com.....................................................................................................................................................
SLOS641A–JUNE 2009–REVISED OCTOBER 2009
2.9 W/Channel Mono Class-D Headphone Amplifier&
23• Mono Class-D Amp: 730
isan audio subsystem witha monoV Supply (1% THD) amplifier, a stereo DirectPath and bypass switches. The• Class-D Bypass Switches amplifier eliminates the need• DirectPath™ Stereo Headphone output capacitors. The built-in– No Output Capacitors createsa negative supply voltage for amplifier, allowinga0Vdc biasat the• SpeakerGuard™ Automatic headphone amplifier drives(AGC)Ω speakers froma 4.2V supply.• One Differential Mono includes three inputs:A differentialSingle-Ended Inputs two stereo single-ended (SE) inputs.• 3:1 Input MUX with Mode are also configurableas differential input channel has an independent Seven operating modes provide combinations and shutdown control.
Operating mode and volume levels are controlled overa 1.8V compatibleI2C interface.
The TPA2051D3 uses SpeakerGuardTM technologyto prevent output clipping distortion and excessive powerto the speaker and headphones.• Operates from 2.5Vto 5.5V The Class-D amplifier includesa bypass mode. This• 25-Ball 2,16 mm× 2,11 mm, 0,4 mm pitch allows the basebandIC (BB)to directly drive the 8ΩWCSP speaker. Thisis useful for dual-mode speaker phones voice–only mode. amplifier uses 4.9 mA and the• Smart Phones/ Cellular uses 4.1 mAof typical quiescent• Portable Media Players supply current reducesto less than 1 μAin shutdown. The TPA2051D3is availableina 25-bump 2,16 mm 0,4 mm pitch WCSP with less than
ic,good price


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