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TPA2014D1YZHR датащи(PDF) 5 Page - Texas Instruments |
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TPA2014D1YZHR датащи(HTML) 5 Page - Texas Instruments |
5 / 27 page DC CHARACTERISTICS TPA2014D1 www.ti.com ............................................................................................................................................................... SLAS559A – MAY 2008 – REVISED JUNE 2008 TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Class-D audio power amplifier VCC 3 5.5 V voltage supply range, VCCIN SDd = SDb = 0 V, VDD = 2.5 V, RL = 8 Ω 0.04 1.5 SDd = SDb = 0 V, VDD = 3.6 V, RL = 8 Ω 0.04 1.5 SDd = SDb = 0 V, VDD = 4.5 V, RL = 8 Ω 0.02 1.5 ISD Shutdown quiescent current µA SDd = SDb = 0.35 V, VDD = 2.5 V, RL = 8 Ω 0.03 1.5 SDd = SDb = 0.35 V, VDD = 3.6 V, RL = 8 Ω 0.03 1.5 SDd = SDb = 0.35 V, VDD = 4.5 V, RL = 8 Ω 0.02 1.5 Boost converter quiescent SDd = 0 V, SDb = 1.3 V, VDD = 3.6 V, VCC = 5.5 V, IDD 1.3 mA current No Load, No Filter VDD = 3.6, Vcc = 5.5 V, No Load, No Filter 4.3 6 Class D amplifier quiescent ICC mA current VDD = 4.5, Vcc = 5.5 V, No Load, No Filter 3.6 6 SDd = SDb = 1.3V, VDD = 3.6, Vcc = 5.5 V, 16.5 23 Boost converter and audio No Load, No Filter IDD power amplifier quiescent mA SDd = SDb = 1.3V, VDD = 4.5, Vcc = 5.5 V, current, Class D(1) 11 18.5 No Load, No Filter Boost converter switching 500 600 700 kHz frequency f Class D switching frequency 250 300 350 kHz UVLO Under voltage lockout 1.7 V Gain input low level Gain = 2 V/V (6dB) 0 0.35 V GAIN Gain input mid level Gain = 6 V/V (15.5 dB) (floating input) 0.7 0.8 1 V Gain input high level Gain = 10 V/V (20 dB) 1.35 V Class D Power on reset ON PORD 2.8 V threshold (1) IDD is calculated using IDD = (ICC× VCC)/(VDD×η), where ICC is the class D amplifier quiescent current; η = 40%, which is the boost converter efficiency when class D amplifier has no load. To achieve the minimal 40% η, it is recommended to use the suggested inductors in table 4 and to follow the layout guidelines. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPA2014D1 |
Аналогичный номер детали - TPA2014D1YZHR |
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Аналогичное описание - TPA2014D1YZHR |
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