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APA2120 Datasheet(PDF) 1 Page - Anpec Electronics Coropration |
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APA2120 Datasheet(HTML) 1 Page - Anpec Electronics Coropration |
1 / 27 page Copyright © ANPEC Electronics Corp. Rev. A.4 - Jul., 2013 APA2120/2121 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-W Audio Power Amplifier (with DC_Volume Control) APA2120/1 is a monolithic integrated circuit, which pro- vides precise DC volume control, and a stereo bridged audio power amplifiers is capable of producing 2.7W(2. 0W) into 3 Ω with less than 10% (1.0%)THD+N. The at- tenuator range of the volume control in APA2120/1 is from 20dB (DC_Vol=0V) to -80dB (DC_Vol=3.54V) with 32 steps. The advantage of internal gain setting can be less components and PCB area. Both of the depop circuitry and the thermal shutdown protection circuitry are inte- grated in APA2120/1 and reduce pops and clicks noise during power up or shutdown mode operation. It also improves the power off pop noise and protects the chip from being destroyed by over temperature and short cur- rent failure. To simplify the audio system design, APA2120/ 1 combines a stereo bridge-tied loads (BTL) mode for speaker drive and a stereo single-end (SE) mode for head- phone drive into a single chip, where both modes are easily switched by the SE/BTL input control pin signal. Besides, the multiple input selection is used for portable audio system. • Low Operating Current with 14mA • Improved Depop Circuitry to Eliminate Turn-on and Turn-off Transients in Outputs • High PSRR • 32 Steps Volume Adjustable by DC Voltage with Hysteresis • 2W Per Channel Output Power into 4 Ω Load at 5V, BTL Mode • Two Output Modes Allowable with BTL and SE Modes Selected by SE/BTL Pin • Low Current Consumption in Shutdown Mode (50 µA) • Short Circuit Protection • Power off Depop Circuit Integration • TSSOP-24P with or without Thermal Pad Package • Lead Free and Green Devices Available (RoHS Compliant) Features Applications General Description Ordering and Marking Information • NoteBook PC • LCD Monitor or TV Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which are fully compliant with RoHS. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020D for MSL classification at lead-free peak reflow temperature. ANPEC defines “Green” to mean lead-free (RoHS compliant) and halogen free (Br or Cl does not exceed 900ppm by weight in homogeneous material and total of Br and Cl does not exceed 1500ppm by weight). APA2120/1 Handling Code Temperature Range Package Code Package Code R : TSSOP-24P Operating Ambient Temperature Range I : - 40 to 85 oC Handling Code TR : Tape & Reel Assembly Material G : Halogen and Lead Free Device APA2120/1 R : APA2120/1 XXXXX XXXXX - Date Code Assembly Material |
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