參數(shù)資料
型號: TPA3101D2RGZT
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
封裝: 7 X 7 MM, GREEN, PLASTIC, VQFN-48
文件頁數(shù): 19/41頁
文件大?。?/td> 1073K
代理商: TPA3101D2RGZT
SLOS473C – DECEMBER 2005 – REVISED SEPTEMBER 2007
www.ti.com
MSTR/SLV and SYNC operation
The MSTR/SLV and SYNC terminals can be used to synchronize the frequency of the class-D output switching.
When the MSTR/SLV terminal is high, the output switching frequency is determined by the selection of the
resistor connected to the ROSC terminal (see ROSC Resistor Selection). The SYNC terminal becomes an output
in this mode, and the frequency of this output is also determined by the selection of the ROSC resistor. This TTL
compatible, push-pull output can be connected to another TPA3101D2, configured in the slave mode. The output
switching is synchronized to avoid any beat frequencies that could occur in the audio band when two class-D
amplifiers in the same system are switching at slightly different frequencies.
When the MSTR/SLV terminal is low, the output switching frequency is determined by the incoming square wave
on the SYNC input. The SYNC terminal becomes an input in this mode and accepts a TTL compatible square
wave from another TPA3101D2 configured in the master mode or from an external GPIO. If connecting to an
external GPIO, recommended frequencies are 200 kHz to 300 kHz for proper device operation, and the
maximum amplitude is 4 V.
USING LOW-ESR CAPACITORS
Low-ESR capacitors are recommended throughout this application section. A real (as opposed to ideal) capacitor
can be modeled simply as a resistor in series with an ideal capacitor. The voltage drop across this resistor
minimizes the beneficial effects of the capacitor in the circuit. The lower the equivalent value of this resistance,
the more the real capacitor behaves like an ideal capacitor.
26
Copyright 2005–2007, Texas Instruments Incorporated
Product Folder Link(s): TPA3101D2
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TPA3106D1 制造商:TI 制造商全稱:Texas Instruments 功能描述:40-W MONO CLASS-D AUDIO POWER AMPLIFIER
TPA3106D1EVM 功能描述:音頻 IC 開發(fā)工具 TPA3106D1EVM Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
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