參數(shù)資料
型號(hào)： TDA7404D
廠商： STMICROELECTRONICS
元件分類： 音頻控制
英文描述： 1 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝： SOP-28
文件頁(yè)數(shù)： 14/35頁(yè)
文件大小： 633K
代理商： TDA7404D
TDA7404
Description of functionality
4.9
External AC - coupling
TDA7404 has external AC coupling terminals which can be selected one of two positions
behind the mixing stage or bass filter.
Figure 16.
External AC coupling
The external AC coupling is selected in position of four switches controlled by the lower 2bit
in the Others selection (seeTable 6).
4.10
Speaker attenuator
Due to practical aspects the steps in the speaker-attenuator are not linear over the full
range. At attenuations more than 24 dB the steps increase from 1.5 dB to 10 dB (please see
data byte specification).
4.11
Subwoofer attenuator
The Subwoofer output is a single ended stereo output. The attenuator is exactly the same
like the other speakers.
Table 6.
Others selection
D1
D0
Switch position
X
0
SW3 = ON, SW4 = ON (selected internal pass), SW1 = b, SW2 = open
0
1
SW3 = OFF, SW4 = ON, SW1 = a, SW2 = a
1
SW3 = ON, SW4 = OFF, SW1 = b, SW2 = b
b
a
b
a
SW2
SW1
SOUND
EF FECTS
Volu m e & Filter
ACC select or
Input
Speaker
ACOUT
ACIN
Mixing
St age
SW3
SW4
相關(guān)PDF資料
PDF描述
TDA7405TR SPECIALTY CONSUMER CIRCUIT, PQFP44
TDA7405 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
TDA7406T SPECIALTY CONSUMER CIRCUIT, PQFP44
TDA7407TR SPECIALTY CONSUMER CIRCUIT, PQFP44
TDA7407 SPECIALTY CONSUMER CIRCUIT, PQFP44
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA7404DTR 功能描述:音頻 DSP Car Radio Signal 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
TDA7405 功能描述:音頻 DSP EQUALIZER CAR RADIO SIGNAL PROCESSOR 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
TDA7405_04 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:EQUALIZER CARRADIO SIGNAL PROCESSOR
TDA7405TR 功能描述:處理器 - 專門應(yīng)用 EQUALIZER CAR RADIO SIGNAL PROCESSOR RoHS:否 制造商:Freescale Semiconductor 類型:Multimedia Applications 核心:ARM Cortex A9 處理器系列:i.MX6 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:1 GHz 指令/數(shù)據(jù)緩存: 數(shù)據(jù) RAM 大小:128 KB 數(shù)據(jù) ROM 大小: 工作電源電壓: 最大工作溫度:+ 95 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MAPBGA-432
TDA7406 功能描述:音頻 DSP Car Radio Signal 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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