Datenblatt-Suchmaschine für elektronische Bauteile |
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TPA122DR Datenblatt(PDF) 1 Page - Texas Instruments |
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TPA122DR Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 31 page www.ti.com FEATURES DESCRIPTION 1 2 3 4 8 7 6 5 VO1 IN1 − BYPASS GND VDD VO2 IN2 − SHUTDOWN D OR DGN PACKAGE (TOP VIEW) TYPICAL APPLICATION CIRCUIT Audio Input Bias Control 8 1 7 4 VO1 VO2 VDD 5 2 3 6 IN1– BYPASS SHUTDOWN VDD/2 CI RI RF 320 k Ω 320 k Ω CB CS Audio Input CI RI IN2– RF VDD From Shutdown Control Circuit – + – + CC CC TPA122 SLOS211E – AUGUST 1998 – REVISED JUNE 2004 150-mW STEREO AUDIO POWER AMPLIFIER • 150-mW Stereo Output The TPA122 is a stereo audio power amplifier pack- aged in either an 8-pin SOIC, or an 8-pin • PC Power Supply Compatible PowerPAD™ MSOP package capable of delivering – Fully Specified for 3.3-V and 5-V Operation 150 mW of continuous RMS power per channel into – Operation to 2.5 V 8- Ω loads. Amplifier gain is externally configured by • Pop Reduction Circuitry means of two resistors per input channel and does not require external compensation for settings of 1 to • Internal Midrail Generation 10. • Thermal and Short-Circuit Protection THD+N when driving an 8- Ω load from 5 V is 0.1% at • Surface-Mount Packaging 1 kHz, and less than 2% across the audio band of 20 – PowerPAD™ MSOP Hz to 20 kHz. For 32- Ω loads, the THD+N is reduced – SOIC to less than 0.06% at 1 kHz, and is less than 1% across the audio band of 20 Hz to 20 kHz. For 10-k Ω • Pin Compatible With LM4880 and LM4881 loads, the THD+N performance is 0.01% at 1 kHz, (SOIC) and less than 0.02% across the audio band of 20 Hz to 20 kHz. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PowerPAD is a trademark of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 1998–2004, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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