參數(shù)資料
型號(hào)： MAX11200EVKIT+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 18/27頁(yè)
文件大?。?/td> 0K
描述： KIT EVALUATION FOR MAX11200
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
系列： *
25
Maxim Integrated
24-Bit, Single-Channel, Ultra-Low-Power,
Delta-Sigma ADCs with GPIO
MAX11200/MAX11210
Figure 8. RTD Temperature Measurement Circuit
Applications Information
See Figure 8 for the RTD temperature measurement
circuit and Figure 9 for a resistive bridge measurement
circuit.
Magnetic force restoration (MFR) force-measuring (typi-
cally weight) systems are a good design example requir-
ing an ADC that has exceptional dynamic range and lin-
earity. MFR devices use a lever and fulcrum to balance
an unknown weight (the object to be measured) with
an electromagnetic force coil. The current necessary to
keep the balance in equilibrium is equal to the force of
gravity exerted to the object to be weighed.
These currents can be as large as several hundred
amperes, or as small as several microamperes, all in the
same system. Often, it is necessary to maintain the given
accuracy across the entire scale.
This application requires a quantizing device with
enough resolution and dynamic range to match the sen-
sor system. In the past, this was done using an audio
ADC and DAC under the control of a microprocessor to
build a discrete delta-modulator-style A/D. This was very
expensive, and could decrease the mean time between
failure (MTBF) for measurement devices requiring high
reliability. The MAX11200/MAX11210 ADCs offer a much
simpler solution with excellent resolution and dynamic
range. See Figure 10.
Chip Information
PROCESS: BiCMOS
Figure 9. Resistive Bridge Measurement Circuit
IREF2
IREF1
IREF1 = K x IREF2
REFP
REFN
RREF
AINP
AINN
GND
RRTD
MAX11200
MAX11210
REFP
AVDD
REFN
AINP
AINN
MAX11200
MAX11210
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX11200EVKIT+ 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開(kāi)發(fā)工具 MAX11200 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類(lèi)型:ADC 工具用于評(píng)估:ADS130E08 接口類(lèi)型:SPI 工作電源電壓:- 6 V to + 6 V
MAX11201 制造商:MAXIM 制造商全稱(chēng):Maxim Integrated Products 功能描述:24-Bit, Single-Channel, Ultra-Low-Power, Delta Sigma ADC with 2-Wire Serial Interface
MAX11201AEUB+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Delta-Sigma 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX11201AEUB+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Delta-Sigma 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
MAX11201BEUB+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Delta-Sigma 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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