參數(shù)資料
型號(hào): TDA7448
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 6 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO20
封裝: SO-20
文件頁(yè)數(shù): 12/14頁(yè)
文件大小: 381K
代理商: TDA7448
7/14
TDA7448
In Incremental Bus Mode, the three “not used” functions must be addressed in any case. For example to refresh
“ Speaker Attenuation 3 = 0dB and Speaker Attenuation 6 = -40 dB”; the following bytes must be sent:
Table 7.
Table 8. SPEAKER ATTENUATION SELECTION
value = 0 to -79dB and MUTE
SUBADDRESS
XXX10010
SPEAKER ATTENUATION OUT 1
XXXXXXXX
SPEAKER ATTENUATION OUT 2
XXXXXXXX
SPEAKER ATTENUATION OUT 3
00000000
SPEAKER ATTENUATION OUT 4
XXXXXXXX
SPEAKER ATTENUATION OUT 5
XXXXXXXX
SPEAKER ATTENUATION OUT 6
00101111
MSB
LSB
SPEAKER ATTENUATION
D7
D6
D5
D4
D3
D2
D1
D0
000
0dB
001
-1dB
010
-2dB
011
-3dB
100
-4dB
101
-5dB
110
-6dB
111
-7dB
00000
-0dB
00001
-8dB
00010
-16dB
00011
-24dB
00100
-32dB
00101
-40dB
00110
-48dB
00111
-56dB
01
-64dB
10
-72dB
11
MUTE
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7448_04 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:6 CHANNEL VOLUME CONTROLLER
TDA744813TR 功能描述:音頻放大器 6 Ch Volume CNTRL 0 to -79dB 1.0dB CNT 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
TDA7448-EVB 功能描述:音頻 IC 開(kāi)發(fā)工具 Eval Brd for TDA7448 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
TDA7449 功能描述:音頻 DSP Tone Control Digital RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
TDA7449_04 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR