140DDI85300 Quantum可以被用在電壓檢測的應用中。電阻R11、R21和R31組成電阻分壓網(wǎng)絡來縮小母線高壓。R11和R21的值通常比R31大很多,保證MVS7200的輸入電壓在額定范圍內(nèi)。
在MVS7200中,電阻R41和R51(或R42和R52)被用來設定前段運放的增益。典型值是R41=R42=12.5KΩ和R51=R52=50KΩ。電阻R61和R62被用來檢測MVS7200的輸入共模電壓,典型值是R61=R62=100KΩ。
首先考慮R32未使用的情況。MVS7200在這些應用中會產(chǎn)生額外的增益誤差和失調(diào)。一方面,MVS7200有限的輸入阻抗和外部檢測電阻R31并聯(lián),導致阻抗變化繼而產(chǎn)生額外的增益誤差。另一方面,MVS7200的前端差分運放的輸出共模電壓Vcm偏置在1.875V,會產(chǎn)生偏置電流IINP和IINN流過前端電阻網(wǎng)絡。偏置電流IINP同時流過R31,而IINN在沒有R32的情況下直接流向PGND,會導致不平衡繼而產(chǎn)生額外的失調(diào)。
為了偏置電流的影響,和檢測電阻R31相同阻值的電阻R32被推薦在VINN和PGND之間。電阻R31會帶來額外的增益誤差EGA,如式1計算所得。
式1:EGA=R31/(R31+R41)
為了減小上述增益誤差,R31的值(相比于R41)應該選取得盡可能小。該增益誤差也可以在系統(tǒng)級別的增益修調(diào)中減小。
140DDI85300
NSK CONTROLLER, DUAL AXIS EXC20A310T00-04
APPLIED MATERIALS (AMAT) ASSY FAST COOLED VAPRSR, QII
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SIEMENS CONTROLLER, CPU SIMATIC 555-1105
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MYKROLIS CONTROLLER, PHOTO 250 PUMP EN ENC0M2CN0
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A06B-6066-H281 A06B-6078-H426#H500 A06B-6081-H106F
A06B-6066-H291 A06B-6078-H426#H520 A06B-6082-H202#H510/H511/H512
A06B-6066-H711 A06B-6078-H430#H500 A06B-6082-H206#H510
A06B-6066-K205 A06B-6078-H430#H520 A06B-6082-H206#H510/H511/H512
A06B-6071-K203 A06B-6078-K001 A06B-6082-H206H521
A06B-6074-H301 A06B-6078-K002 A06B-6082-H211#512
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A06B-6078-H202#H520 A06B-6079-H207 A06B-6087-H137
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A06B-6088-H122#H500/H520 A06B-6090-H002 A06B-6096-H122
A06B-6088-H122H500 A06B-6090-H003 A06B-6096-H166
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A06B-6088-H226#500 A06B-6090-H224 A06B-6096-H208
A06B-6088-H230 A06B-6090-H233 A06B-6096-H208
A06B-6088-H230#H500 A06B-6090-H234 A06B-6096-H209
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A06B-6088-H255#H500/H520 A06B-6090-H266 A06B-6096-H303
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A06B-6088-H315H500 A06B-6091-H130 A06B-6096-H305
A06B-6088-H322#H500/H520 A06B-6091-H145 A06B-6096-H306
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A06B-6088-H330#H500/H520 A06B-6092-H345H500 A06B-6100-H002
A06B-6088-H415#H500/H520 A06B-6093-H101 A06B-6100-H004
A06B-6088-H415H500 A06B-6093-H102 A06B-6100-H006
A06B-6088-H422#H500/H520 A06B-6093-H103 A06B-6102 H202#H520
A06B-6088-H426#H500/H520 A06B-6093-H104 A06B-6102-H106#H520
A06B-6088-H430#H500/H520 A06B-6093-H111 A06B-6102-H111#H520
A06B-6089-H101 A06B-6093-H112 A06B-6102-H115#H520
A06B-6089-H102 A06B-6093-H113 A06B-6102-H122#H520
A06B-6089-H103 A06B-6093-H114 A06B-6102-H126#H520
A06B-6089-H104 A06B-6093-H151 A06B-6102-H130#H520
A06B-6089-H105 A06B-6093-H152 A06B-6102-H206#H520
A06B-6089-H106 A06B-6093-H153 A06B-6102-H211#H520
A06B-6089-H201 A06B-6093-H154 A06B-6102-H215#H520
A06B-6089-H202 A06B-6093-K802 A06B-6102-H222
A06B-6089-H203 A06B-6096-H101 A06B-6102-H222#H520
A06B-6089-H204 A06B-6096-H102 A06B-6102-H226#H520
A06B-6089-H205 A06B-6096-H103 A06B-6102-H230#H520
A06B-6089-H206 A06B-6096-H104 A06B-6102-H315#H520
A06B-6089-H207 A06B-6096-H105 A06B-6102-H322#H520
A06B-6089-H208 A06B-6096-H106 A06B-6102-H326#H520
A06B-6089-H209 A06B-6096-H107 A06B-6102-H330#H520
A06B-6089-H210 A06B-6096-H108 A06B-6102-H415#H520
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NSK ACTUATOR FOR TESTER HANDLER X AXIS XY-HRS060EH202
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