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參數(shù)資料
| 型號： | TPA2051D3YFFT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.9 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA25 |
| 封裝： | 2.16 X 2.11 MM, 0.40 MM PITCH, GREEN, WCSP-25 |
| 文件頁數(shù)： | 10/34頁 |
| 文件大小： | 1594K |
| 代理商： | TPA2051D3YFFT |
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SLOS641A – JUNE 2009 – REVISED OCTOBER 2009 ..................................................................................................................................................... www.ti.com
BIT
7
6
5
4
3
2
1
0
Function
Mode[2]
Mode[1]
Mode[0]
MON_Vol[4]
MON_Vol[3]
MON_Vol[2]
MON_Vol[1]
MON_Vol[0]
Reset Value
0
1
0
1
Mode[2:0]
Sets mux output mode. Refer to Modes of Operation section for details. Default mode is 000
(Mono Input selected) on power-up.
MON_Vol[4:0] Five-bit volume control for Mono input mode (mode 0). 11111 sets device to its highest channel
gain; 00000 sets device to its lowest channel gain. Default setting on power-up is 01101 (0 dB).
Stereo Input 1 / Output Gain Control Register (Address: 5)
BIT
7
6
5
4
3
2
1
0
Function
SPK_Gain
HP_0dB
Reserved
ST1_Vol[4]
ST1_Vol[3]
ST1_Vol[2]
ST1_Vol[1]
ST1_Vol[0]
Reset Value
0
1
0
1
SPK_Gain
Class-D speaker amplifier gain. Set to logic high for 12 dB Class-D gain. Set to logic low for
6 dB Class-D gain.
HP_0dB
Set bit to 1 to set HP amp gain to 0 dB regardless of HP_Gain[2:0] setting. The default is 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.
ST1_Vol[4:0]
Five-bit volume control for Stereo Input 1 (modes 1, 3, 5, and 6): INL1 and INR1. 11111 sets
device to its highest gain; 00000 sets device to its lowest gain. Default setting on power-up is
01101 (0 dB).
Stereo Input 2 / Headphone Gain Control Register (Addresses: 6)
BIT
7
6
5
4
3
2
1
0
Function
HP_Gain[2]
HP_Gain1]
HP_Gain[0]
ST2_Vol[4]
ST2_Vol[3]
ST2_Vol[2]
ST2_Vol[1]
ST2_Vol[0]
Reset Value
0
1
0
1
HP_Gain [2:0] Headphone gain select. Sets the gain of the headphone output amplifiers according to Table 2.
The default is 000.
ST2_Vol[4:0]
Five-bit volume control for Stereo Input 2 (modes 2 and 4): INL2 and INR2. 11111 sets device
to its highest gain; 00000 sets device to its lowest gain. Default setting on power-up is 01101
(0 dB).
18
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPA2051D3
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| TPA2054D4AYZKR | 功能描述:音頻放大器 1.4 W/Ch 3-Inp Audio Subsystem 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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