【选型】TI低失真运放OPA2350与国产低噪声运放TP230X在通用伺服和机器臂伺服性能优势对比
在工业伺服、电梯、机械人手臂等需要电机高精度信号采样领域,一般会需要更低失真、更高增益带宽、更高转换速率的单电源轨至轨运算放大器做采样信号放大,以保证电流环能够快速且正确的工作。目前有很多公司选用了TI-低失真运放-OPA2350系列。现在,国产3PEAK公司研发的低噪声TP230X系列运放可以在通用伺服和机器臂伺服上较好的替换该产品。
两者主要性能参数对比如下:
PN | OPA2350UA | TP2302-SR |
Vendor | TI | 3PEAK |
测试环境 | Vs=+5V,T=+25℃ | Vs=+5V,T=+25℃ |
输入失调电压(TYP) | 150uV | 7uV |
失调电压温飘 | 4uV/℃ | 1uV/℃ |
增益带宽积 | 38MHz | 20MHz |
压摆率 | 22V/us | 25V/us |
电源抑制比 | 130dB | 100dB |
共模抑制比 | 84dB | 100dB |
等效输入噪声 | 7nV/√hz(f=10khz) | 7.3nV/√hz(f=1khz) |
最大电流输出 | 80mA | 130mA |
参数对比分析:
1. 输入失调电压:TP2303-SR有着较为明显的优势,尤其是在放大增益较大时,将会有较大的差异,但如果只是作为跟随,两者都完全满足工程需求;
2. 失调电压温飘:TP2303-SR有较高的温度稳定性,更适合高低温环境和高可靠性要求;
3. 增益带宽积:OPA2350UA更有优势,这个优势主要体现在高频段,实际伺服和机器人的检测应用中,采样频率不会超过20khz。往往还会增加RC滤波限制高频信号。所以二者都符合设计需求。
4. 电源抑制比:两者的电源抑制比都很高,在5V单电源供电的设计中,没有什么差异;
5. 共模抑制比:TP2303-SR可能会在热地方案中有一些优势,可以屏蔽一些高压母线共模干扰;
6. 等效输入噪声:两者表现都非常优异,完全满足需求;
7. 电流输出能力:TP2303-SR有一定优势,目前MCU内自带的ADC输入阻抗不是很稳定,所以运放的电流输出能力越高则测量精度越高。
PS:在使用这类高精度运放时,建议反馈电阻选用1/1000精度甚至更高等级,才能较好的发挥出高精度运放的性能。
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3PEAK(思瑞浦)以下产品适用于手持式非接触红外测温仪应用:零漂移、高精度运放--TP5551,电源芯片DCDC--TPP20203,超低噪声LDO--TPL9032。以下产品适用于红外热像仪应用:高速运放--TPH250X系列,LDO--TPL9032,LDO--TPL51200/TPL51206等。
TP1281/TP1282/TP1284 36 V、7 MHz、20 V/μs运算放大器
描述- 该资料介绍了TP128X系列运算放大器,这是一款低功耗、轨到轨输出的高性能运放。它适用于4.5V至36V的电源电压范围,具有低失调电压、低噪声、高带宽和高频率响应等特点。这些运放采用3PEAK专有的专利设计技术,实现了优异的交流性能。
型号- TP1282,TP1281L1-TR,TP1281,TP1281L1-SR,TP128X,TP1282L1-VR,TP1284,TP1284-SR,TP1284-TR,TP1282L1,TP128X SERIES,TP1281L1,TP1282L1-SR,TP128X FAMILY,TP1282L1-FR
TP1541/TP1541N/TP1542/TP1544 Stable 1.3MHz, 37μA,RRIO, EveryCap™ Op Amps
描述- 该资料介绍了TP154x系列运算放大器,这是一款低功耗、高带宽的CMOS单双四运放。具有稳定的1.3MHz增益带宽积、低偏移电压、低输入失调电流、低噪声等特点,适用于电池供电应用。
型号- TP1541U,TP1544-TR,TP1542-VR,TP1541U-TR,TP1541-SR,TP1541,TP1541N-SR,TP1562,TP1541N,TP1542,TP1564,TP1561,TP153X,TP1541U-CR,TP151X,TP155X,TP1541-CR,TP1544-SR,TP1541-TR,TP1542-SR,TP1541N-TR,TP1541N-VR,TP154X,TP152X,TP1567,TP1544,TP1569,TP1568
思瑞浦-TI对照表
描述- 思瑞浦与TI的型号对照,包含DCDC,接口产品,电源管理产品,线性管理产品,转换器,隔离产品,驱动器等产品。
型号- OPA4354AIDG4,TL071BCDR,TL074IDRE4,LPV801DBVR,SN65HVD06DG4,LMV331IDCKTE4,LPV801DBVT,TPA1295H-SO1R,DAC8775IRWFR,LM393DRE4,TRS3232ECDBR,TPK1032AAL1 - S6TR,DAC7568ICPWR,SN75176BPSRG4,DAC8775IRWFT,TLC2272ACPWR,TL082IPWR,THS7374IPWR,LMV358IPWRG4,MAX3232IDBG4,LP5907SNX-4.5/NOPB,OPA4171AIPW,OPA2348AIDGK,TLV8802DGKT,TL072CDG4,INA199C3DCKT,LM324KAPWR,INA214BIDCKT,INA199C3DCKR,OPA2348AIDG4,THS1030CPW,TLV8802DGKR,TLV316IDCKR,INA201AIDGKT,TLV316IDCKT,TLC2272CDG4,INA214BIDCKR,INA201AIDGKR,OPA4348AIDRG4,TPA1862-SR,LMV358QDGKR,RC4580IDG4,DAC8531E/2K5,DAC7554IDGSR,CD4051BMG4,TPL 710 F12 - 3 TR,LM2902DG4,TPS70618DBVR,CD4052BMT,TPS70618DBVT,TPL903212-WS1R,LMV331IDCKTG4,TPK1032AFL1 - S6TR,OPA2197IDGKT,LM2903QDG4,LP5907MFX-1.5/NOPB,OPA277AIDRMR,TP2011U-CR,TLV70030DDCT,LM393DRG3,OPA277AIDRMT,LM393DRG4,TLV70030DDCR,RC4580IPWG4,CD74HC4051PWTG4,AM26LS32AIDR,OPA2197IDGKR,LMV358IPWRE4,TPL730 F12 - FR,SN65HVD75DGK,OPA374AIDR,LMP7704MTX/NOPB,TPL710F12 - 5TR,TLC2272CPWG4,LM809M3X-3.08/NOPB,LM3880MF-1AB/NOPB,LM2903AVQDRG4,LM339AD,OPA2188AIDR,LM2903D,TP2112-SR,TP5591-TR/TP2311-TR,LMV321IDBVT,LMV321IDBVR,LM339D,INA210AIDCKT,SN65HVD3082EDGKR,INA210AIDCKR,DAC8565IDPWG4,DAC7513N,TPL903228-WS1R,TPA1862-VR,TPC114S1,TL072BCDRG4,SN65HVD06DR,OPA4171AID,LM2904D,TPL730 F28 - 5 TR,TPT9L484L1,DAC7513E,TPS70625DBVR,TP1961-CR,TPL730 F1 5 - CR,TLV522DGKR,CD74HC4052PWRG4,TPS70625DBVT,TP2124-SR,TLV522DGKT,LM324KPWR,SN74LVC1G3157DCKR,DAC8555IPWG4,TPL 720 F28 - 3 TR,TPL9032285-S5TR,TLC2272IPWRG4,DAC7512N,LM339ADRE4,ISO7721,DAC7512E,TPT3232E,LM324KAPWRG4,ISO7720,TPL903230-S5TR,TPL740F12 - FR,SN65HVD72DRBR,TPL730 F12 - CR,SN65HVD72DRBT,TL072BCDRE4,TP6001U-TR,TLV5636IDGK,LM324A-SR,OPA2354AIDGKTG4,MAX3232ECDBRG4,OPA322SAIDBVR,TLV8544DR,THS7314DG4,DAC8534IPWRG4,TLV8544DT,TP2582-SR,LPV358MM/NOPB,OPA322SAIDBVT,OPA2320AIDGKT,TLV803RDBZT,OPA2320AIDGKR,MAX3232IDBE4,TLV803RDBZR,TP181A3-CR,CD4052BPW,TLV3492AID,TPV6823L-TR,SN65HVD72DR,LOG114AIRGVT,LM339ADRG4,LOG114AIRGVR,LMV7219M5/NOPB,LM324APWRG4,TRS3232ECPWG4,DAC124S085CIMM,LM324KDR,TLV9004IRTER,RC4580IPWR,LM2902KPWRG4,TP10-SR,SN65MLVD206DR,TPS3823-25DBVR,TPS3823-25DBVT,LM358DGKR,OPA354AIDBVRG4,TLV73333PDBVR,TLV2452CDGKR,OPA4322SAIPWR,TLV73333PDBVT,PCA9306DCUTE4,LMV331IDBVRE4,CD74HC4051PWT,OPA2277UAG4,TLV70215DBVT,LM358PWG4,LP5910-1.2YKAR,CD74HC4051PWR,TLV70215DBVR,LMV358B-VR,DAC7564ICPWRG4,TPL903240-DF1R,TL072CPWR,OPA4354AIPWT,INA199C1DCKT,TL074BCD,LMV824MX/NOPB,OPA4354AIPWR,INA199C1DCKR,LMV358IDGKRG4,LM324APWE4,TL082IDG4,LM324APWRE4,LMP7701MA/NOPB,TP2112-VR,OPA348AIDBVRG4,TLV2454IDR,DAC8568IDPWR,CD4053BM96G4,TRS3232EIPW,OPA171AIDRLT,TLV9001IDCKR,OPA2335AIDGKTG4,OP07CD,LMV822MMX/NOPB,LMV771MGX/NOPB,TL074CDG4,SN74LVC1G3157DCK3,TLV9062IDR,TPH2504-TR,OPA171AIDRLR,TP2124-TR,TLC2274ACDRG4,TP1561AL1,PCA9306DCUTG4,TLV9001TIDCKR,LMV331IDBVRG4,LP5910-0.9YKAR,LM2903BIDR,LP5907MFX-4.5/NOPB,NSI8220NX,OPA2277UAE4,TPW3221-VR,TLC2272AIDRG4,SN65HVD3082EDG4,LM3880MFX-1AC/NOPB,CD4053BM96G3,LM358ADR,TP6001,LM324KAD,OP07DD,TPL730 F25 - 5 TR,LP5907MFX-2.9/NOPB,SN65MLVD204BDR,TPH2504-SR,TP6004,LM324APWG4,TP6002,DAC8411IDCKRG4,MAX3232ECDBE4,TP2411-CR,SN65HVD3082EDGK,TL081ID,LM809M3-2.93,INA282AIDR,THVD1410DGKR,LM224DRG4,CD4053BMG4,LM224DRG3,OPA2320SAIDRGR,OPA2320SAIDRGT,MAX3232ECDWG4,MAX3232EIDWR,DAC8550IDGKRG4,TL071CDRE4,TPV6823S-TR,LOG2112AIDWR,DAC8565IBPWG4,MAX3232CDWR,THS7374IPW,LMV824M/NOPB,DAC7568ICPW,OPA2348AIDR,TPW3157A-CR,TLV5610IPWG4,TL084IDE4,TPC116S4-TR,TP5532-VR,TLV5614CPWG4,DAC8718SRGZT,TLV75533PDBVR,DAC8718SRGZR,RC4558DGKRG4,LP5907SNX-2.2/NOPB,OPA2322AID,CD4051BM96,LMV772MMX/NOPB,LMV772MA/NOPB,TP1511-TR,OPA2197-Q1,TLC2272ID,AM26LS31CDR,TP10,TPS3823-50DBVR,TPL740 F1 5 - 5 TR,TPS3823-50DBVT,AM26LV31EIRGYR,LMV358B-SR,MAX3221IDB,TPL710F33 - 5TR,TLC2272MD,TP8485E-SR,LMV824MTX/NOPB,LM324KADRG4,TL071CDRG4,TP1981-CR,TL082CPWRG4,DRV8837CDSGT,DRV8837CDSGR,TP2312-VR,TLV73315PDBVT,LMP7701MF/NOPB,TLV73315PDBVR,TL074IDRG4,LM3880MFE-1AF/NOPB,DAC7714U/1K,OPA360AIDCKTG4,TL084IDG4,TPP20608,TP2121-CR,SN75HVD08DR,OPA2277UA/2K5,TLC2274CPW,TLV75530PDQNT,LM339DR,TLV75515PDBVR,DAC8565IBPWR,LM3881MM/NOPB,OPA2277UG4,TLV75530PDQNR,LM809M3X-4.63/NOPB,TLV73330PDQNR,THS7374IPWRG4,TLV73330PDQNT,TPL820F18 - 5TR,TL072CDE4,LP5907SNX-2.9/NOPB,TPM2003,LM3881MME/NOPB,RC4558IDR,DAC8531IDRBR,DAC8531IDRBT,LM2903DR,LM293D,TPA620-VR,CD74HC4053MT,TLV70233DBVR,TLV70330DBVR,TLV70233DBVT,TPS7A0533PDQNR,OPA335AIDBVRG4,TPS70630DBVT,TPS7A0533PDQNT,TPS70630DBVR,TL074ACDR,LMV7239M7,TL072ID,INA199A3DCKR,INA199A3DCKT,DAC8568IAPWR,DAC8564IBPW,TPL740F30 - FR,TP8485E-VR,TL072IDRE4,TPL720F33 - 5TR,LP5910-1.0YKAR,LM809M3X-4.38/NOPB,LM3880MFE-1AD/NOPB,TL081CD,TPW4051-TR,LM358LVIPWR,LMV321IDBVTE4,MAX3232EIPWRG4,TP1564AL1,TPV810L-3STR,TPT3122EHL1-QF8R,TLV2376IDR,LM358ADGKR,TP1282L1-FR,INA240A2DR,DAC8550IDGKR,DAC8560IBDGKTG4,DAC8550IDGKT,AM26LV32EIPWR,TPA6581-S5TR,LOG114AIRGVTG4,TRS3122ERGET,TP321-TR,OPA335AID,TRS3122ERGER,TPL903228-S5TR,OPA4197ID,TL082ACDRE4,TL081IDRG4,TL084ACDE4,OPA4322AIPWR,LM258DR,TLV9002IDSGT,TP1284L1-TR,TLV9002IDSGR,THS5651AIPWRG4,TL082BCD,TL072IDRG4,MAX3221IDBE4,
对照表 - 思瑞浦
【产品】180V/μs转换率的国产高速运放TPH250X系列,增益带宽250MHz
思瑞普微电子推出的高速运放TPH250X系列,250MHz增益带宽,180V/μs转换率,6.5nv/√hz的低噪声电压。高带宽、高转换率、低功耗和低噪声是低电压高速信号系统的理想选择。
【产品】失调电压仅15μV的高电源电压放大器TPA186x系列,支持4.5V至36V供电,增益带宽积6MHz
TPA1861/TPA1862/TPA1864系列是思瑞浦推出的最新高电源电压放大器,分别为单通道、双通道和四通道,具有15μV的低失调电压、低噪声和稳定的高频响应,采用了思瑞浦的专有技术和专利设计技术,在单放大器仅消耗2000μA静态电流情况下,可获得12MHz的带宽。
编码器电路的整体解决方案
描述- 本文档详细介绍了编码器电路的全面解决方案,包括光电编码器、绝对光电编码器、磁性编码器和相关组件。内容涵盖了编码器的工作原理、不同类型编码器的特点、应用场景以及3PEAK公司提供的配套产品,如驱动器、稳压器、比较器和运算放大器等。此外,文档还提到了3PEAK在工业控制领域的应用和产品线。
型号- LM2901A,TPV809M,TPL710,TP555X,TPP36208X,TP1562AL1,LM2903A,TP241X,TP231X,TPT4032,TPT75176H,TPT4031,TP10-2,TPT1051V,TPT75176,TP10-4,TPT487,TPL9032
【应用】国产运放LTC722用于伺服驱动器,提供极小型DFN封装,具备宽带宽和高转换率
在伺服驱动器项目中推荐先积集成推出的通用运放LTC722,具有轨对轨输入和输出摆动、低静态电流(典型值780μA)、宽宽带(11 MHz)和极低噪声(1 kHz时为8 nV/VHz)的特点,使该系列非常适合各种需要在成本和性能之间取得良好平衡的电池供电应用。
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提供辐射发射测试、传导发射预测试、EMI噪声频率扫描服务。消费电子辐射发射预测试频率范围30MHz-1GHz、 车载电子9KHz-3GHz,并针对问题给出EMC整改方案。支持到场/视频直播测试,资深专家全程指导。
实验室地址: 深圳 提交需求>
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