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APA2175QBI-TRG Datasheet(PDF) 1 Page - Anpec Electronics Coropration |
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APA2175QBI-TRG Datasheet(HTML) 1 Page - Anpec Electronics Coropration |
1 / 19 page Copyright © ANPEC Electronics Corp. Rev. A.3 - Jul., 2010 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 Cap-Free Line Driver APA2175 Features General Description Applications • Set-Top Boxes • CD /DVD Players • LCDTVs • HTIBs (Home Theater in Box) • Operating Voltage: 2.3V-4.5V • SupplyCurrent - I DD=5mA at VDD=3.3V • Low Shutdown Current - I DD=1µA at VDD=3.3V • Ground Reference Output - No Output Capacitor Required (for DC Blocking) - Save the PCB Space - Reduce the BOM Costs - Improve the Low Frequency Response • Output Voltage Swing Can Reach 2Vrms/Ch into 600 Ω at VDD=3.3V • High PSRR:78dB at 217Hz • Fast Start-Up Time: 16ms • Integrate the De-pop Circuitry • Separate ShutdownFunction forFlexible Applica- tion • Thermal Protection • Surface-Mount Packaging - TQFN4x4-20B (with Enhanced Thermal Pad) - TSSOP-16 • Lead Free and Green Devices Available (RoHS Compliant) Simplified Application Circuit The APA2175 is a stereo, fixed gain, single supply, and cap-free line driver, which is available in TQFN4x4-20B and TSSOP-16 packages. The APA2175 is ground-reference output, and no need the output capacitors for DC blocking. The advantages of eliminating the output capacitor are saving the cost, elimi- nating component height, and improving the low frequency response. The internal fixed gain setting (-1.5V/V) can minimize the external component counts and save the PCB space. High PSRR provides increased immunity to noise and RF rectification. The independent shutdown control of APA2175 is for right channel and left channel. The APA2175 is capable of driving 2Vrms at 3.3V into 600 Ω load, and provides thermal protection. APA2175 ROUT RIN RSD LIN LOUT LSD Stereo Input Signal Shutdown Control Stereo Line-Out Signal |
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