參數(shù)資料
型號(hào): TDA7348
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP28
封裝: DIP-28
文件頁(yè)數(shù): 14/14頁(yè)
文件大?。?/td> 357K
代理商: TDA7348
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
1
Soft Mute On
0
1
Soft Mute with fast slope (I = IMAX)
1
Soft Mute with slow slope (I = IMIN)
1
Direct Mute
0
1
Zero Crossing Mute On
00
Zero Crossing Mute Off (delayed until next
zerocrossing)
1
Zero Crossing Mute and Pause Detector Reset
0
160mV ZC Window Threshold (WIN = 00)
0
1
80mV ZC Window Threshold (WIN = 01)
1
0
40mV ZC Window Threshold (WIN = 10)
1
20mV ZC Window Threshold (WIN = 11)
0
Nonsymmetrical Bass Cut (note 4)
1
Symmetrical Bass Cut
An additional direct mute function is included in the Speaker Attenuators.
Note 4: Bass cut for very low frequencies; should not be used at +16 and +18dB bass boost (DC gain)
Mute
MSB
LSB
SPEAKER ATTENUATOR LF, LR, RF, RR
D7
D6
D5
D4
D3
D2
D1
D0
1.25dB step
XXX
0
0dB
X
0
1
-1.25dB
XXX
0
1
0
-2.5dB
X
0
1
-3.75dB
XXX
1
0
-5dB
X
1
0
1
-6.25dB
XXX
1
0
-7.5dB
X
1
-8.75dB
10dB step
XXX
0
0dB
XXX
0
1
-10dB
XXX
1
0
-20dB
XXX
1
-30dB
X
11111
Speaker Mute
For example an attenuation of 25dB on a selected output is given by: X X X1 0 1 0 0
Speaker Attenuators
TDA7348
9/14
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7348_07 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Digitally controlled audio processor
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TDA7348D013TR 功能描述:音頻 DSP Digital Audio Proc 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
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