ROHM Develops a New Op Amp that Minimizes Current Consumption, Improving Power Savings in Consumer and Industrial Equipment

2024-04-12 ROHM News
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ROHM has developed a linear operational amplifier (op amp) - LMR1901YG-M - featuring the lowest* current consumption in the industry. This makes it ideal for amplifying sensor signals used to detect and measure temperature, flow rate, gas concentration, and other parameters in applications powered by internal sources (i.e. batteries).

In recent years, advanced control has been in increasing demand for various applications in consumer and industrial electronics. Therefore, there is an increasing need for accurate sensing of parameters relevant to the application - such as, temperature, humidity, vibration, pressure, and flow rate. Op amps whose main function is to amplify sensor signals for subsequent detection and/or analog-to-digital conversion, is a crucial component in the signal chain - greatly affecting both accuracy and power consumption. ROHM is developing op amps that satisfy the dual need for high accuracy and low current consumption. By further refining the circuit design based on original Nano Energy™ technology, ROHM is now able to offer an op amp that delivers the lowest current consumption on the market.


The LMR1901YG-M leverages original ultra-low power technology that thoroughly suppresses current increase caused by temperature and voltage changes to reduce current consumption to just 160nA (Typ.) - approximately 38% lower than that of general low power op amps. This not only extends the life of applications powered by internal batteries like electronic shelf labels, but also contributes to longer operating times for smartphones and other devices equipped with rechargeable batteries. At the same time, this low current consumption does not change over the temperature range of -40°C to +105°C - allowing stable low-power operation, even in environments where external temperatures fluctuate, including fire alarms and environmental sensors.

Other performance enhancements include 45% reduction of input offset voltage to just 0.55mV (Max. Ta=25°C) over general low-current op amps while a maximum input offset voltage temperature drift of 7V/°C is guaranteed. This enabling high accuracy amplification of sensor signals. Capable of operating from 1.7V to 5.5V supply voltage and offering rail-to-rail input/output, LMR1901YG-M is suitable for a wide variety of applications in the industrial equipment and consumer markets. ROHM’s new op amp also complies with the automotive reliability standard AEC-Q100 - ensuring stable operation even under harsh conditions such as vehicle cabins without compromising functionality.


In addition to various technical documents necessary for circuit design and SPICE models for simulation (available free of charge on ROHM’s website), the LMR1901YG-M can be used with ROHM Solution Simulator to speed up time to market.


Going forward, ROHM will continue to pursue further power savings in op amps using proprietary ultra-low power technology. On top, ROHM aims to improve the performance of op amp lineups by reducing noise and offset - increasing power savings and expanding the power supply voltage range while contributing to solving social issues through higher accuracy application control.


Product Lineup


Application Examples

  • Consumer applications: smartphones, smartwatches, wearables, fire alarms, motion sensors, etc.

  • Industrial equipment: electronic shelf labels (ESL), handheld measurement instruments, data loggers, environmental sensors for IoT, etc.

  • Automotive systems: anti-theft sensors, drive recorders, etc.


Online Sales Information
Sales Launch Date: November 2023


Product Information
Applicable Part No: LMR1901YG-M


What is Nano Energy™ Technology?
Nano Energy™ refers to proprietary ultra-low current consumption technology that achieves a current consumption on the order of nano ampere (nA) by combining advanced analog technologies covering circuit design, layout, and processes utilizing ROHM’s vertically integrated production system.


This contributes to not only extending the operating time of battery operated IoT and mobile devices but also improving efficiency in industrial and automotive equipment where increased power consumption is problematic.

*Nano Energy™ is a trademark or registered trademark of ROHM Co., Ltd.

授权代理商:世强先进(深圳)科技股份有限公司
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本文由玄子转载自ROHM News,原文标题为:ROHM Develops a New Op Amp that Minimizes Current Consumption Industry-low 160nA current consumption improves power savings in consumer and industrial equipment,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。

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型号- BM2LB300FJ-C,BD9B304,BD9B305,BD63536,BR25HXXX-2AC,BD9B300,BD9B301,BD9PXX5EFV-C,BR25H16NUX-5AC,BU46LXX2G,BR24H256FVT-5AC,BR24H08F-5AC,BR25H1MFJ-5AC,BR25H512FJ-5AC,BR24G32NUX-3,BU5265SHFV,BD50FA1MG-M,BR24G32NUX-5,BV1LC150,BR25G256FJ-3,BD48EXXG-M,BR24AXX-WM SERIES,BR24H64FVM-5AC,BR25H020FVM-2C,BD9V101,BD9C301FJ,BU34DV7,BDXXGA5MEFJ-M,BR25G128FVT-3,BD46EXX1G-M SERIES,BR25A512F-3M,BD9P135MUF-C,BU46LXX4G,BD46EXX1G-M,BV1LB028,BD226XXG-M,BD46XX1G,BU7250G,BD71L4LG-1,BR24G64FVM-5,BR24G64FVM-3,BA4580R,BR24H08FVT-5AC,BD8158FVM,BU7251SG,BD9C401,BV1LB045,BR93G46F-3A,BR93G46F-3B,BD50C0A,BD750L2,BU7251G,BD53XXG-2M SERIES,BR93H56RF-2C,BR25H32FVT-5AC,BD87A34FVM,BR24H04FVM-5AC,BD52XXG-2C,BR24GXXX-3A SERIES,BU7291G,BD47XXG SERIES,BAXXBC0(W),BD9A100MUV,BD9B500,BR24HXXX-5AC,BR93G46FVM-3,BU48XXG,BR25A256FVT-3M,BUS1DJC0GWZ,BA2902YXXX-M,BR93AXX-WM,BR24A08FJ-WM,BD49EXXG,BD95602MUV,BR25G320FVM-3,LMR1801HFV-LB,BR24G32FVM-5,BV1HB045EFJ-C,BR93G66FVT-3A,BR93G66FVT-3B,BR24G1MF-3A,BAXXCC0(W),BU9829GUL-W,BD9A400,BA4584YFV-M,BD9E302EFJ,BR24G02F-3A,BD22621G-M,BD46XX2G,BR24G32FVM-3,BR25H02FJ-5AC,BU5265HFV,BR24G01FVT-3,BD2201GUL,BR25A1MF-3M,BR24H2MFJ-5AC,BD6529GUL,BR93A66RF-WM,BD750L5FP-C,BD82039FVJ,BD9D322QWZ,BD52XXG-1 SERIES,BD45EXX1G-M SERIES,BR93HXX-WC,BD46XX5G,BD70522GUL,BD9S200MUF-C,BR93G56NUX-3,BD9E151NUX,BR24G128F-3,LMR982FVM,BD9E303EFJ-LB,BD9D320EFJ,BH2226FV,BA4560R,BV1LB300FJ-C,BUXXSD2MG-M,BR24G128F-5,BD52XXG-2M SERIES,BA4560YXXX-M,BV1LB085,BD4271HFP-C,BD9C601,BA4584R,BD45XX1G,BU7294S,BR24G08FVT-3,BD90640EFJ-C,BD52XXG-2M,BDXXIC0MEFJ-M,BR24G02FJ-3A,BU7271G,BU2506FV,BD9D323,BD1HD500HFN-C,BR93H66RFVT-2C,BD9D322,BD7LS08G-C,BD9D321,BD9D320,BR24A64F-WM,BR93G46FVM-3B,BR93G46FVM-3A,BR25H1MFVT-5AC,BD9F500,BV1LC300,BD8311NUV,BU7233SF,BHXXSA3,BR25H640FVM-2AC,BR93G46NUX-3A,BU9897GUL-W,LMR931G,BR24A02FJ-WM,BR25G320F-3,BR93G46NUX-3B,BM2LB110,BV1LC085EFJ-C,BR24G01F-3A,BD9B301MUV-LB,BAXXBC0,BD7562,BR24G01FVM-3A,BA9741F,BD9PXX5MUF-C,BR93A56RFVT-WM,BD45EXX2G-M,BR24G08FJ-3,BD82040FVJ,BR24G64NUX-5,BR24G64NUX-3,BD9B100MUV,BR24H128F-5AC,BR93G56FVT-3,BU7244YFV-C,BD52XXG-2C SERIES,BR93G76FJ-3,BU34DV7NUX,BR24TXX-3AM,BU7464SF,BA1117,BD33C0AW,BU7232YFVM-C,BUXXJA2,BR93G46F-3,BR24G16NUX-3,BV2HC045EFU-C,BU7275SHFV,BU33DV7NUX,BU46KXX2G SERIES,BR25G320NUX-3,BD90302,BA9743A,BD9S000NUX-C,BR24G16FVT-3,BD7542,BR24G16FJ-3,BD4271,BR93A86RFVM-WM,TLR344,BD4269,BR24H128FVM-5AC,BD9P233MUF-C,BR25H160FVM-2C,BU1S12S1BG-LB,BD49LXXG,TLR342,BD8317GWL,BD9035AEFV-C,LMR821G,BD95602MUV-LB,BD9P255EFV-C,BU46KXX2G,BD9B100,BR25H020FJ-2C,BR25H02FVT-5AC,BR24G512FJ-3A,LM2904,BD1HC500FVM-C,BV1LB010,LM2901,LM2902,BA4584FV,LM2903,BR24H16F-5AC,BU7231SG,BA9743AFV,BD9C401EFJ,BR93G66FVT-3,BR25H010FVT-2C,BU9889GUL-W,BD22641G-M,BD9B600MUV,BU7205SHFV,BR24G512FVT-3A,BR24G128NUX-5,BD3021HFP,BR24G128NUX-3,BD9611MUV,BU7205HFV,BD37A41FVM,BD87A29FVM,BD9B333,BHXXRB1WGUT,BD3570Y,BV1LC105,BR25H256NUX-5AC,BA178MXX,BM2LB300,BR24G04FVT-3A,BD9D300,BU46KXX4G,BD9555FVM-C,BV1LB010FPJ-C,BD49EXXG SERIES,BD53XXG-1 SERIES,BD45EXX5G-M SERIES,BR24G512FJ-5A,BRCG016GWZ-3,BR93A56RFJ-WM,BD1LB500,BR24G08NUX-3,BR24HXXX-5AC SERIES,BD46EXX5G-M SERIES,BR93H76RFVT-2C,BUXXSD5W,TLR341G,BRCB008GWZ-3,BR24G512FVT-5A,BD48LXXG,BU7253SF,BR25H320FVM-2C,BR24T512F-3AM,BR93H76RFJ-2C,LMR822,BR24G1MFJ-3A,BR25H128FJ-5AC,BR24H02FVT-5AC,BR24G01NUX-3A,LMR824,BR25G640FVT-3,BD12730G,BD82042FVJ,BR93G76FVM-3A,BD9152MUV,BR93G76FVM-3B,BA14741,BR93GXX-3 SERIES,BD820XXFVJ SERIES,BD80C0A,BR25G128FVM-3,BU7421SG,BD46XX2G SERIES,BD2266G-M,BD9S400,BD9P135,BR24G01NUX-3,BR25H16FJ-5AC,BDXXKA5(W),BD7541SG,BV1HB045,BD9S100NUX-C,BR24H512FJ-5AC,BR25G512F-3,BR93A76RFVM-WM,BDXXIA5,BM2LB110FJ-C,BR25H64FVT-5AC,BR24G1MFJ-5A,BR25H080FVM-2C,BR24G04FVM-3A,BD48EXXG SERIES,BR24G08FVM-3,BD12734,BU45KXX4G,BD12732,BD9E100FJ-LB,BDXXHA3MEFJ-M,BD1HC500HFN-C,BR25H640FJ-2AC,BD87A28FVM,BV1LC150EFJ-C,BA3474RFV,BR24H32FJ-5AC,BR93H66RF-2C,BR93A46RFJ-WM,BD9P155,BR25H08FJ-5AC,BD71L3SHFV,BDXXHA3MEFJ-C,BD90302NUF-C,BU9832GUL-W,BD6528HFV,BR24G04FVM-3,BDXXIC0,BR25H320F-2C,BD9G401EFJ-M,BR93GXX-3,BD00D0A,BA82904YXXX-C,BD9E104FJ,BR93A66RFVT-WM,BD9E151,BR24GXXX-3 SERIES,BD46XX5G SERIES,BD33C0A,BU45KXX2G,BD37A19FVM,BR24G08FVT-3A,BD49EXXG-M SERIES,BD90C0A,BR93H46RF-2C,BU7475SHFV,BD52WXXG SERIES,BD99011,BD9150,BD9151,BD9152,BD99010,LMR341G,BR25H32NUX-5AC,BA9744,BA9741,BRF0520A,BU9891GUL-W,BD2233G,BD9A101MUV-LB,BR25G256FVT-3,BR25H080FJ-2C,BDXXGA3,BD90C0AW,BU7442S,BUXXTA2W,BR24H04NUX-5AC,BR24G04NUX-3,BD45XX1G SERIES,BV1LC105FJ-C,BAXXJC5(W),BR93G46FVT-3A,BR93G46FVT-3B,BDXXGA5,BR93G86NUX-3,BV2HX045EFU-C,BD9A302QWZ,BD9A300MUV,BD82044FVJ,BUXXJA2DG-C,BD9G341AEFJ-LB,BD2232G,BR25H08FVM-5AC,BD47XXG,BA2107G,BR25A512FVT-3M,BR25H160FVT-2C,BR24H32FVM-5AC,BR25HXXX-2C,BR25H02NUX-5AC,BU7444F,BD99A41F,BD45EXX2G-M SERIES,BM2LC105,BD7LS97G-C,BR25H020F-2C,BD2264G-M,BU7495HFV,BD49KXXG,BR93G66F-3A,BR93G66F-3B,BD8306MUV,BV1LB085FJ-C,BR24G128FVM-5,BR24G128FVM-3,BDXXGC0,BA2901YXXX-M,BAXXCC0,BD9E100,BD9E101,BU33UV7NUX,BD9E104,BD9P105,BR93H56RFVM-2C,BD52WXXG-C SERIES,BDXXHA5MEFJ-M,BR24G02FVM-3A,BA3474YFV-C,BD7561SG,BR93G66NUX-3,BR25G

选型指南  -  ROHM  - Ver. 4.0  - 08.2019 PDF 英文 下载

BA8290xYxx-C系列 世界首款无需噪声设计的运算放大器 高抗EMI能力Op Amp诞生

型号- BA2902YFV-M,BA82902YF-C,BA82904YFVM-C,BA82904YF-C,BA82902YFV-C,BA2902YF-C,BA2904YF-M,BA2904YF-C,BA2904YFVM-C,BA2904YFV-M,BA2902YF-M,BA2902YFV-C,BA8290XYXX-C,BA2904YFV-C

商品及供应商介绍  -  ROHM  - 01.2018 PDF 中文 下载

Op amp Circuit Collection

型号- BU7262SFBU7262FVMBU7262NUX,BU7475SHFV,BU7242SF,BU7421SG,BU7444SF,BU7261SG,BU7442SF,BU7465SHFV,BU7445HFV,BU7245SHFV,BU7462F,BU7275HFV,BU7244F,BU7442F,BU7264F,BU7205SHFV,BU7295HFV,BU7242NUX,BU7465HFV,BU7271SG,BU7411SG,BU7205HFV,BU7462SF,BU7411G,BU7475HFV,BU7242FVM,BU7295SHFV,BU7241G,BU7261G,BU7265G,BU7442FVM,BU7262NUX,BU7264SF,BU7442NUX,BU7445SHFV,BU7241SG,BU7464SF,BU7441SG,BU7444F,BU7262FVM,BU7262F,BU7275SHFV,BU7464F,BU7242F,BU7462NUX,BU7245HFV,BU7461SG,BU7265SG,BU7244SF,BU7271G,BU7461G,BU7441G,BU7462FVM,BU7421G

应用笔记或设计指南  -  ROHM  - Rev.A  - 2011.03 PDF 英文 下载 查看更多版本

ROHM Develops the Industry‘s Smallest CMOS Op Amp Optimized for Smartphones and Compact IoT Devices

ROHM has developed an ultra-compact 1.8V - 5V, rail-to-rail CMOS operational amplifier - the TLR377GYZ. It is optimized for amplifying signals from sensors such as temperature, pressure, flow rate, used in smartphones, small IoT devices, and similar applications.

产品    发布时间 : 2024-08-03

商品及供应商介绍  -  ROHM  - 02.2024 PDF 中文 下载

Application Brochure for INDUSTRIAL

型号- BD52W04G-C,BD900N1W,BM2SCQ123T-LBZ,R6007RND3,CSL1901 系列,BD900N1G-C,BD2311NVX-C,RBR2VWM60A,BD933N1,BD1421XG-LA 系列,RBR1VWM40A,BM2SC12XFP2-LBZ,CSL1901,BP3622,BD14210G-LA,BP3621,SCT4013DW7,R6035VNX3,RB068VWM150,R60XXYNX 系列,BD1421X-LA 系列,CSL1901DW,QH8KXX 系列,BD950N1WG-C,BM2LE160FJ-C,BM2P060LF-Z,BV1LE080EFJ-C,BM2SC123FP2-LBZ,SH8MC5,REFPDT007-EVK-001,BD1421XG-LA,SCT4018KW7,RB168VWM-40,RFS 系列,BD9XXN1 系列,SCT4018KE,BD52W03G-C,SCT4026DE,BM2SCQ121T-LBZ,RB168VWM-60,BD48W00G-C,RBR1VWM30A,SH8MB5,SCT4018KR,SCT4026DR,R6035VNX,BM2P061MF-Z,BM6437X,CSL1901UW,BM64378S-VA,BD900N1EFJ-C,SCT4013DE,BM2P063MF-Z,R6024VNX3,SCT4013DR,BD7XXL05G-C,BD950N1,RB068VWM100,RFL,R60XXYNX,SH8KXX,CSL1901VW,RFS,BD14215FVJ-LA,BM2SC12XFP2-LBZ 系列,PSR,RB168VWM-30,SCT4036KW7,R6004RND3,BM2LE040FJ-C,RF05VAM2S,BD750L05G-C,BM2SC122FP2-LBZ,BD900N1,BD933N1G-C,BM2P061LF-Z,BD52W02G-C,SH8KXX 系列,BM64377S-VA,BD933N1EFJ-C,BD950N1EFJ-C,QH8MB5,REFLD002,R60XXRNX,SH8MX5 系列,RBLQ2VWM10,PSR500,SCT3017AL,BD1421XFVJ-LA,SCT4026DW7,BV1LE040EFJ-C,RFS30TZ6S,BD900N1WG-C,BD9S402MUF-C,QH8MC5,CSL1901YW,BV1LEXXXEFJ-C,RFL60TZ6S,RFL 系列,R6013VND3,BM2P06XMF-Z 系列,R6009RND3,R6077VNZ,BM6437X 系列,BM2SCQ122T-LBZ,RFL60TS6D,S WAVE B-01,PSR400,RFS30TS6P,BD933N1WG-C,BD52W01G-C,RB068VWM-60,R WAVE B-01,BD9F500QUZ,RLD90QZWX 系列,REFPDT007-EVK-001B,REFPDT007-EVK-001A,R60XXVNX 系列,REFPDT007-EVK-001C,LTR10,BD950N1WEFJ-C,SCT3030AL,BM2SC124FP2-LBZ,QH8MX5 系列,QH8KB5,R6013VNX,QH8KB6,RBR2VWM30A,BM2LE250FJ-C,BD2311NVX-LB,RGW00TS65CHR,BM2LEXXXFJ-C 系列,RFK 系列,SCT4045DW7,BV1LE250EFJ-C,SCT4036KE,QH8MX5,SCT4045DE,R6024VNX,BM2SCQ124T-LBZ,R60XXRNX 系列,R6055VNX,R6018VNX,R6055VNZ,SCT4045DR,RGW80TS65CHR,REFPDT007,QH8KC6,CSL1901MW,QH8KC5,RB168VWM150,R60A4VNZ4,BD52W06G-C,SCT4062KR,BD1421XFVJ-LA 系列,BD48HW0G-C,BM2P06XMF-Z,RBR2VWM40A,BD9XXN1,R6077VNZ4,RGWXX65C,BM1390GLV-Z,RBR1VWM60A,REFLD002-1,QH8KXX,REFLD002-2,R6055VNX3,BD52W05G-C,SCT4036KR,RFL30TS6D,BM2LEXXXFJ-C,BD900N1WEFJ-C,RLD90QZWX,BD7XXL05G-C 系列,RFS60TS6D,BD733L05G-C,BD933N1WEFJ-C,BD9G500EFJ-LA,SCT4062KE,GNE1040TB,LTR10 系列,BM64374S-VA,BD950N1W,BD725L05G-C,BD933N1W,BD730L05G-C,BM2SC121FP2-LBZ,PSR350,BD8758XYX-C,SH8KC6,BV1LEXXXEFJ-C 系列,BM64375S-VA,SH8KC7,BM2LE080FJ-C,SH8MX5,SCT4062KW7,R60XXVNX,PSR100,RB168VWM100,BD950N1G-C,RGW60TS65CHR,RGWXX65C 系列,R6055VNZ4,BM2P060MF-Z,RLD90QZWJ,RFS60TZ6S,RLD90QZWD,RLD90QZWC,SH8KB7,RLD90QZWB,RB068VWM-40,SH8KB6,RLD90QZWA,RLD90QZW8,RB068VWM-30,BV1LE160EFJ-C,RFL30TZ6S,RLD90QZW5,PSR系列,BD1421X-LA,PSR330,RLD90QZW3

应用笔记或设计指南  -  ROHM  - Ver. 3.1  - 11.2023 PDF 中文 下载

Runic‘s OP Amp RS622,Analog Switch RS2105 and Low-Consumption LDO RS3236 Apply in Finger Clip Oximeter

Runic is a High- tech company with high-performance analog signal chain design capabilities, Runic product lines such as OP Amps, Comparator, Analog Switch, LDO, etc. Can match very well with the design of consumer medical products such as Finger clip oximeters.

应用方案    发布时间 : 2022-12-31

ROHM Introduces New BD77502FVM 2-Channel High-Speed Ground Sense CMOS Op Amp

ROHM introduces the availability of a 2 channel high-speed ground sense CMOS op amp(operational amplifier), BD77502FVM, optimized for consumer and industrial equipment requiring high-speed sensing – such as industrial measurement and control systems. The newest BD77502FVM integrates two op amp devices that prevent oscillation (i.e. due to wiring) while providing high-speed amplification with slew rates up to 10V/µs and breakthrough immunity to electromagnetic interference (EMI).

新产品    发布时间 : 2021-01-03

ROHM(罗姆) 运算放大器选型指南(英文)

描述- ROHM has succeeded in commercializing high performance Op Amps that exceed the limits of existing noise performance by leveraging integrated manufacturing and reviewing not only circuit design but also layout, processes, and element variations.

型号- BD87584YFV-C,BA82902YF-C,BD7282YFJ-C,BA82904YFVM-C,BD87582YFVM-C,TLR2377YFVM-C,BA82902YFV-C,TLR2376YFJ-C,LM2902EYF-C,BA83474YF-C,TLR377YG-C,BA82903YF-C,LM2902EYFV-C,TLR4377YF-C,TLR4377YFV-C,TLR2377YF-C,TLR376YG-C,BD77501G,BD7282YFVM-C,BA83472YF-C,BA83474YFV-C,BD77504FV,BD7284YFV-C,BA82901YFV-C,BD8758XY,BA83472YFVM-C,LM2901EYF-C,LM2904EYF-C,BA82904YF-C,LM2904EYFJ-C,LM2904EYFVM-C,LM2901EYFV-C,BD77502FVM,BA82903YFVM-C,LM2903EYFVM-C,LMR1802YG-C,BA82901YF-C,BD87581YG-C,LM2903EYF-C,BD7281YG-C,TLR4376YFV-C,TLR2376YFVM-C,LMR1802G-LB,TLR2377YFJ-C

选型指南  -  ROHM  - 01.2022 PDF 英文 下载

Runic‘s OP Amp RS8538and RS622, Low-Consumption LDO RS3236 Apply in Electronic Blood-Pressure Meter

Runic is a High- tech company with high-performance analog signal chain design capabilities, Runic product lines such as OP Amps, Comparator, Analog Switch, LDO, etc. Can match very well with the design of consumer medical products such as Electronic Blood-Pressure Meter.

应用方案    发布时间 : 2023-01-02

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