AD7400

Isolated Sigma-Delta Modulator

DigitalisolatorswithiCoupler?technologyenabledesignerstoimplementisolationindesignswithoutthecost,size,power,performance,andreliabilityconstraintsfoundwithoptocouplers.iCouplerdigitalisolatorsalsomeetthewiderangeofcreepage/clearancerequirementsandaretheindustr

AD7400

Isolated Sigma-Delta Modulator

GENERALDESCRIPTION TheAD74001isasecond-order,sigma-delta(Σ-Δ)modulator thatconvertsananaloginputsignaltoahighspeed,1-bitdata streamwithon-chipdigitalisolationbasedonAnalogDevices,Inc.iCoupler?technology.TheAD7400operatesfroma5V powersupplyandacceptsadi

AD7400

隔離式Σ-Δ調(diào)制器

AD7400是一款二階Σ-Δ調(diào)制器，采用ADI公司iCoupler?技術(shù)的片內(nèi)數(shù)字隔離，能將模擬輸入信號(hào)轉(zhuǎn)換為高速的1比特?cái)?shù)據(jù)流。AD7400采用5V電源供電，可輸入±200 mV的差分信號(hào)（滿(mǎn)量程±320 mV）。模擬調(diào)制器對(duì)輸入信號(hào)連續(xù)采樣，因而無(wú)需外部采樣保持電路。輸入信息包含在數(shù)據(jù)率為10 MHz的輸出流中，通過(guò)適當(dāng)?shù)臄?shù)字濾波器可重構(gòu)原始信息。串行I/O可采用5 V或3 V電源供電(VDD2)。 \n\n 串行接口采用數(shù)字式隔離。通過(guò)將高速CMOS工藝和單片空芯變壓器技術(shù)結(jié)合在一起，較之傳統(tǒng)光耦合器等其它器件來(lái)說(shuō)，片內(nèi)隔離能提供更加優(yōu)異的工作特性。該器件內(nèi)置片內(nèi)基準(zhǔn)電壓。A; ? 10 MHz時(shí)鐘速率\n\n? 二階調(diào)制器\n\n? 16位無(wú)失碼\n\n? 16位時(shí)INL典型值為±2 LSB\n\n? 最大失調(diào)漂移為3.5 μV/°C\n\n? 片內(nèi)數(shù)字隔離器;

AD7400

Isolated Sigma-Delta Modulator

AD7400

Digital Isolator Product Selection and Resource Guide

AD7400_V01

Isolated Sigma-Delta Modulator

GENERALDESCRIPTION TheAD74001isasecond-order,sigma-delta(Σ-Δ)modulator thatconvertsananaloginputsignaltoahighspeed,1-bitdata streamwithon-chipdigitalisolationbasedonAnalogDevices,Inc.iCoupler?technology.TheAD7400operatesfroma5V powersupplyandacceptsadi

AD7400A

Isolated Sigma-Delta Modulator

DigitalisolatorswithiCoupler?technologyenabledesignerstoimplementisolationindesignswithoutthecost,size,power,performance,andreliabilityconstraintsfoundwithoptocouplers.iCouplerdigitalisolatorsalsomeetthewiderangeofcreepage/clearancerequirementsandaretheindustr

AD7400A

Isolated Sigma-Delta Modulator

GENERALDESCRIPTION TheAD7400A1isasecond-order,Σ-Δmodulatorthatconverts ananaloginputsignalintoahighspeed,1-bitdatastreamwithon-chipdigitalisolationbasedonAnalogDevices,Inc.,iCoupler?technology.TheAD7400Aoperatesfroma5Vpowersupplyandacceptsadifferential

AD7400A

隔離式Σ-Δ調(diào)制器

AD7401A是一款二階Σ-Δ調(diào)制器，片上的數(shù)字隔離采用ADI公司的iCoupler?技術(shù)，能將模擬輸入信號(hào)轉(zhuǎn)換為高速1bit數(shù)據(jù)流。AD7401A采用5V電源供電，差分輸入信號(hào)范圍為±200 mV（滿(mǎn)量程±320 mV）。模擬調(diào)制器對(duì)輸入信號(hào)連續(xù)采樣，因而無(wú)需外部的采樣保持電路。輸入信息包含在數(shù)據(jù)率為10MHz輸出流中，通過(guò)適當(dāng)?shù)臄?shù)字濾波器重構(gòu)原始信息。串行I/O可采用5V或3V電源供電 (VDD2)。 \n\n 串行接口采用數(shù)字式隔離。通過(guò)將高速CMOS工藝和單片空芯變壓器技術(shù)結(jié)合在一起，較之傳統(tǒng)光耦合器等其它器件來(lái)說(shuō)，片內(nèi)隔離能提供更加優(yōu)異的工作特性。該器件內(nèi)置片內(nèi)基準(zhǔn)電壓源; ? 時(shí)鐘速率為10 MHz \n\n? 二階調(diào)制器 \n\n? 16位無(wú)失碼\n\n? 16位時(shí)INL典型值為±2 LSB;

AD7400A_V01

Isolated Sigma-Delta Modulator

GENERALDESCRIPTION TheAD7400A1isasecond-order,Σ-Δmodulatorthatconverts ananaloginputsignalintoahighspeed,1-bitdatastreamwithon-chipdigitalisolationbasedonAnalogDevices,Inc.,iCoupler?technology.TheAD7400Aoperatesfroma5Vpowersupplyandacceptsadifferential