參數(shù)資料
型號(hào): ADS5103EVM
廠商: Texas Instruments, Inc.
英文描述: 1.8-V ANALOG SUPPLY, 10-BIT, 65/40 MSPS ANALOG-TO-DIGITAL CONVERTERS WITH INTERNAL REFERENCE
中文描述: 1.8 - V模擬電源,10位,65/40 MSPS的模擬到數(shù)字的,具有內(nèi)部參考變換器
文件頁(yè)數(shù): 13/23頁(yè)
文件大?。?/td> 334K
代理商: ADS5103EVM
ADS5102
ADS5103
SLAS351B – OCTOBER 2001 – REVISED DECEMBER 2001
20
www.ti.com
PRINCIPLES OF OPERATION
3 k
3 k
3 k
3 k
REFT
AIN–
AIN+
REFB
AIN+
AIN–
ADS5102
ADS5103
Figure 33. Driving the Analog Inputs
setting the bias resistor—RBIAS
Each device in this family requires an external resistor be connected from pin 14 to ground. The value of this
resistor is determined by which device is being used. Refer to Table 2 for the correct resistor value. This resistor
only dissipates less than 1 mW of power. The resistor accuracy of 1% is adequate.
Table 2. Resistor Value
DEVICE
RBIAS VALUE
CONNECT FROM
ADS5103
8.25 k
Pin 14 to AGND
ADS5102
4.42 k
Pin 14 to AGND
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS5103IPFB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10 Bit 40MSPS 1.8V Int/Ext Ref w/Pwrdwn 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
ADS5103IPFBG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10 Bit 40MSPS 1.8V Int/Ext Ref w/Pwrdwn 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
ADS5103IPFBR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10 Bit 40MSPS 1.8V Int/Ext Ref w/Pwrdwn 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
ADS5103IPFBRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10 Bit 40MSPS 1.8V Int/Ext Ref w/Pwrdwn 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
ADS5120 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-Channel, 10-Bit, 40MSPS, 1.8V CMOS ANALOG-TO-DIGITAL CONVERTER