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APA4863KI-TU Datasheet(PDF) 1 Page - Anpec Electronics Coropration |
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APA4863KI-TU Datasheet(HTML) 1 Page - Anpec Electronics Coropration |
1 / 17 page Copyright ANPEC Electronics Corp. Rev. A.3 - Apr., 2001 APA4863 www.anpec.com.tw 1 ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise customers to obtain the latest version of relevant information to verify before placing orders. Stereo 2.2W Audio Power Amplifier Features ••••• Depop Circuitry Integrated ••••• Thermal Shutdown Circuitry Integrated ••••• Bridge-Tied Load (BTL) or Single-Ended (SE) Modes Operation ••••• Output Power at 1% THD+N, V DD=5V - 2.2W/Ch (typ) into a 3 Ω Load - 1.8W/Ch (typ) into a 4 Ω Load - 1.2 W/Ch (typ) into a 8 Ω Load ••••• Shutdown Control Mode, I SD= 0.5 µA ••••• Output Power (SE) at 0.5% THD+N, V DD=5V - 90mW/Ch (typ.) into a 32 Ω Load ••••• Various Power Packages Available SOP, TSSOP, TSSOP-P Applications ••••• Stereo Audio Power Amplifier for Notebook Computer ••••• Portable Televisions ••••• Portable and Desktop Computers General Description Ordering Information The APA4863 is a stereo bridge-tied audio power am- plifier in various power packages , including SOP , TSSOP and TSSOP-P . When connecting to a 5V volt- age supply , the APA4863 is capable of delivering 2.2W/1.8W/1.2W of continuous RMS power per chan- nel into 3 Ω/4Ω/8Ω bridge-tied loads with less than 1% THD+N respectively . When APA4863 operates in the single-ended load , it is capable of delivering 90mW of continuous RMS power per channel into 32 Ω load . The APA4863 simplifies design and frees up board space for other features . The APA4863 also served well in low-voltage appli- cations , which provides 750mW (1% THD+N) per channel into 4 Ω loads with a 3.3V supply voltage . Both of the depop circuitry and the thermal shutdown protection circuitry are integrated in the APA4863 , that reduces pops and clicks noise during power up and when using the shutdown mode and protects the chip from being destroyed by over-temperature fail- ure . To simplify the audio system design in note- book computer applications , the APA4863 combines a stereo bridge-tied loads mode for speaker drive and a stereo single-end mode for headphone drive into a single chip , where both modes are easily switched by the HP-IN input control pin signal . For power sen- sitive applications , the APA4863 also features a shut- down function which keeps the supply current only 0.5 µA (typ.) . Package Code K: SOP O: TSSOP R: TSSOP-P* Temp. Range I : -40 to 85 C Handling Code TU : Tube TR : Tape & Reel TY: Tray APA4863 Handling Code Temp. Range Package Code ° * TSSOP-P is a standard TSSOP package with a thermal pad exposed on the bottom of the package. |
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