參數(shù)資料
型號(hào)： TPA6140A2YFFT
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PBGA16
封裝： 1.6 X 1.6 MM, 0.4 MM PITCH, GREEN, DSBGA-16
文件頁數(shù)： 16/30頁
文件大小： 705K
代理商： TPA6140A2YFFT
www.ti.com................................................................................................................................................. SLOS598A – MARCH 2009 – REVISED OCTOBER 2009
Output Impedance Register (Address: 3)
BIT
7
6
5
4
3
2
1
0
Function
0
HiZ_L
HiZ_R
Reset Value
0
Reserved These bits are reserved for future enhancements. Do not write to these bits as writing to these bits
may change device function. If read these bits may assume any value.
HiZ_L
Set to 1 to put left channel amplifier output in three-state high impedance mode.
HiZ_R
Set to 1 to put right channel amplifier output in three-state high impedance mode.
I2C Address and Version Register (Address: 4)
BIT
7
6
5
4
3
2
1
0
Function
0
Version[3]
Version[2]
Version[1]
Version[0]
Reset Value
0
Version[3:0] The version bits track the revision of the silicon. Valid values are 0000 for the first silicon
TPA6140A2.
Reserved for Test (Addresses: 5-8)
BIT
7
6
5
4
3
2
1
0
Function
RFT
Reset Value
x
RFT
Reserved for Test. Do NOT write to these registers.
VOLUME CONTROL
Set the TPA6140A2 volume control through the I2C interface. Write to the Volume[5:0] byte at Register 2, Bits
5-0. Although the gain byte is a 6-bit word, only 32 steps are available. The least significant bit of the
Volume[5:0] byte is treated as a don’t care bit.
GAIN CONTROL BYTE: MUTE
GAIN CONTROL BYTE: MUTE [7:6],
[7:6],
NOMINAL GAIN
VOLUME[5:0]
11XXXXXX
–80 dB
0010000x
–11 dB
0000000x
–59 dB
0010001x
–10 dB
0000001x
–55 dB
0010010x
–9.0 dB
0000010x
–51 dB
0010011x
–8.0 dB
0000011x
–47 dB
0010100x
–7.0 dB
0000100x
–43 dB
0010101x
–6.0 dB
0000101x
–39 dB
0010110x
–5.0dB
0000110x
–35 dB
0010111x
–4.0 dB
0000111x
–31 dB
0011000x
–3.0 dB
0001000x
–27 dB
0011001x
–2.0 dB
0001001x
–25 dB
0011010x
–1.0 dB
0001010x
–23 dB
0011011x
+0.0 dB
0001011x
–21 dB
0011100x
+1.0 dB
0001100x
–19 dB
0011101x
+2.0 dB
0001101x
–17 dB
0011110x
+3.0 dB
0001110x
–15 dB
0011111x
+4.0 dB
0001111x
–13 dB
Copyright 2009, Texas Instruments Incorporated
23
Product Folder Link(s): TPA6140A2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPA6140A2YFFT 制造商:Texas Instruments 功能描述:Audio Power Amplifier IC
TPA6141A2 制造商:TI 制造商全稱:Texas Instruments 功能描述:CLASS-G DIRECTPATH? STEREO HEADPHONE AMPLIFIER
TPA6141A2YFFEVM 功能描述:音頻 IC 開發(fā)工具 TPA6141A2YFF Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
TPA6141A2YFFR 功能描述:音頻放大器 25mW Class-G Direct Path St Headph Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA6141A2YFFT 功能描述:音頻放大器 25mW Class-G Direct Path St Headph Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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