參數(shù)資料
型號(hào)： TAS3002
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝： QFP-48
文件頁數(shù)： 7/54頁
文件大?。?/td> 266K
代理商： TAS3002
31
3 Analog Input/Output
The TAS3002 device contains a stereo 24-bit ADC with two single-ended inputs per channel. Selection of the A or
B analog input is accomplished by setting a bit in the analog control register (ACR) by an I2C command. Additionally,
the TAS3002 device has a stereo 24-bit digital-to-analog converter (DAC).
3.1
Analog Input
Figure 31 shows the technique and components required for analog input to the TAS3002 device. The maximum
input signal must not exceed 0.7 Vrms. Selection of the above component values gives a frequency response from
20 Hz to 20 kHz at a sampling frequency of 48 kHz without alias frequency problems.
AINRP
AINRM
AINLM
AINLP
24-Bit
Stereo
ADC
RINA
RINB
AINRM
AINRP
AINLM
AINLP
LINA
LINB
Reference
Voltage
1200 pF
0.47
F
0.47
F
1
0.47
F
0.47
F
1
2
1
Analog Inputs Use 0.47
F for 20-Hz Cutoff
2
Anti-Alias Capacitors for fS = 48 kHz
Input Select Command
From Internal Controller
3
Tie unused analog inputs to analog ground through 0.1-
F capacitors.
Figure 31. Analog Input to the TAS3002 Device
3.2
Analog Output
3.2.1
Direct Analog Output
The full scale analog output from the TAS3002 device is 0.707 Vrms. It is referenced to VCOM which is approximately
1.5 Vdc. VCOM must be decoupled with the network shown in Figure 32.
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TAS3002PFB 功能描述:音頻 DSP Digital Audio Processor w/ Codec 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
TAS3002PFBG4 功能描述:音頻 DSP Digital Audio Processor w/ Codec 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
TAS3002PFBR 功能描述:音頻 DSP Digital Audio Processor w/ Codec 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
TAS3002PFBRG4 功能描述:音頻 DSP Digital Audio Processor w/ Codec 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
TAS3004 制造商:TI 制造商全稱:Texas Instruments 功能描述:Digital Audio Processor With Codec
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