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TPA6133A2 データシート(PDF) 10 Page - Texas Instruments |
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TPA6133A2 データシート(HTML) 10 Page - Texas Instruments |
10 / 26 page LEFT RIGHT INPUT STAGE DEPOP CHARGE PUMP POWER MANAGEMENT SHUTDOWN CONTROL THERMAL CURRENT LIMIT HPLEFT HPRIGHT SD VDD GND VDD GND CPP CPN CPVSS RIGHTINP RIGHTINM LEFTINP LEFTINM TEST1 TEST2 TPA6133A2 SLOS821B – JUNE 2013 – REVISED SEPTEMBER 2014 www.ti.com 8 Detailed Description 8.1 Overview Headphone channels and the charge pump are activated by asserting the SD pin to logic 1. The charge pump generates a negative supply voltage for the output amplifiers. This allows a 0 V bias at the outputs, eliminating the need for bulky output capacitors. The thermal block detects faults and shuts down the device before damage occurs. The current limit block prevents the output current from getting high enough to damage the device. The De-Pop block eliminates audible pops during power-up, power-down, and amplifier enable and disable events. 8.2 Functional Block Diagram 10 Submit Documentation Feedback Copyright © 2013–2014, Texas Instruments Incorporated Product Folder Links: TPA6133A2 |
同様の部品番号 - TPA6133A2_17 |
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同様の説明 - TPA6133A2_17 |
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