參數(shù)資料
型號: TLV1571EVM
廠商: Texas Instruments, Inc.
英文描述: TLV1571 Evaluation Module(TLV1571評估板)
中文描述: TLV1571評估模塊(TLV1571評估板)
文件頁數(shù): 39/50頁
文件大?。?/td> 1324K
代理商: TLV1571EVM
ADC Clock
3-15
User Configurations
3.8
ADC Clock
The ADC requires an internal or external clock. Various possible external
sources for the clock are required by the ADC. The choices are simple and are
discussed in the following sections.
3.8.1
External Clock Generation
The maximum operational speed of the ADC is 20 MHz when it operates from
a Vcc supply of 5 V, or 10 MHz at 3.3 V. This clock signal derives from three
possible sources: in stand-alone configuration from J10 or J7; otherwise, from
J8 when mounted on a PCI2040 EVM or
C5402 DSK.
Figure 3
9.External Clock Signal
1
2
3
1
2
3
W18
W17
J12
CLK
ADC
ADC Clock
1
2
3
÷
2
÷
2
40-MHz Clock
50-MHz Clock
J8
J10
W19
J7
User Configurable
3.8.2
DSK/Microprocessor Mode (
C54x DSKplus,
C203 EVM,
C3x DSK)
Two configurations are available. On the preferred mode of operation in a
stand-alone configuration, the clock signal is present on J10. The clock
frequency, via the
C54x DSK adapter board, is set at 40 MHz. This frequency
is too fast for the ADC. To provide an acceptable frequency, the EVM divides
the input clock.
You can decide if the clock frequency required is 20 MHz or 10 MHz and set
the jumper positions accordingly.
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TLV1571IDW 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10bit 1.2 MSPS PA RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
TLV1571IDWG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10bit 1.2 MSPS PA RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
TLV1571IPW 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10bit 1.2 MSPS PA RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
TLV1571IPWG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 1-Ch 10-Bit 1.25MSPS 8-Ch DSP/SPI RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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