LMP8603-Q1 汽车级、60V、双向、低侧/高侧、电压输出电流感测放大器

LMP8603-Q1

The LMP8602 and LMP8603 are fixed gain precision amplifiers. The parts will amplify and filter small differential signals in the presence of high common mode voltages. The input common mode voltage range is –22V to +60V when operating from a single 5V supply. With a 3.3V supply, the input common mode voltage range is from –4V to +27V. The LMP8602 and LMP8603 are members of the Linear Monolithic Precision (LMP®) family and are ideal parts for unidirectional and bidirectional current sensing applications. All parameter values of the parts that are shown in the tables are 100% tested and all bold values are also 100% tested over temperature.

The parts have a precise gain of 50x for the LMP8602 and 100x for the LMP8603, which are adequate in most targeted applications to drive an ADC to its full scale value. The fixed gain is achieved in two separate stages, a preamplifier with a gain of 10x and an output stage buffer amplifier with a gain of 5x for the LMP8602 and 10x for the LMP8603. The connection between the two stages of the signal path is brought out on two pins to enable the possibility to create an additional filter network around the output buffer amplifier. These pins can also be used for alternative configurations with different gain as described in the applications section.

The mid-rail offset adjustment pin enables the user to use these devices for bidirectional single supply voltage current sensing. The output signal is bidirectional and mid-rail referenced when this pin is connected to the positive supply rail. With the offset pin connected to ground, the output signal is unidirectional and ground-referenced.

The LMP8602 and LMP8603 are available in a 8–Pin SOIC package and in a 8–Pin VSSOP package.

The LMP8602Q and LMP8603Q incorporate enhanced manufacturing and support processes for the automotive market, including defect detection methodologies. Reliability qualification is compliant with the requirements and temperature grades defined in the AEC Q100 standard.

产品特性
  • Unless Otherwise Noted, Typical Values at TA = 25°C, VS = 5.0V, Gain = 50x (LMP8602), Gain = 100x (LMP8603)
  • TCVos 10μV/°C max
  • CMRR 90 dB Min
  • Input Offset Voltage 1 mV Max
  • CMVR at VS = 3.3V −4V to 27V
  • CMVR at VS = 5.0V −22V to 60V
  • Operating Ambient Temperature Range −40°C to 125°C
  • Single Supply Bidirectional Operation
  • All Min / Max Limits 100% Tested
  • LMP8602Q and LMP8603Q Available in Automotive AEC-Q100 Grade 1 Qualified Version
参数parametrics
参数LMP8603-Q1LMP8601LMP8601-Q1LMP8602LMP8602-Q1LMP8603LMP8645
Input Offset (+/-) (Max) (uV)1000100010001000100010001000
Input Offset Drift (+/-) (Typ) (uV/Degrees Celsius)2222224
Iq (Max) (mA)1.51.51.51.51.51.50.61
Gain (V/V)100202050501001 to 100
Gain Error (%)0.50.50.50.50.50.52
Small-Signal Bandwidth (Typ) (MHz)0.060.060.060.060.060.060.26
CMRR (Min) (dB)90909090909060
Vs (Min) (V)3333332.7
Vs (Max) (V)5.55.55.55.55.55.512
Common Mode Range (Min)-22-22-22-22-22-22-2
Common Mode Range (Max)60606060606042
Special FeaturesBi-directional Low-side Capable Analog OutputBi-directional Low-side Capable Analog OutputBi-directional Low-side Capable Analog OutputBi-directional Low-side Capable Analog OutputBi-directional Low-side Capable Analog OutputBi-directional Low-side Capable Analog OutputLow-side Capable Analog Output
RatingAutomotiveCatalogAutomotiveCatalogAutomotiveCatalogCatalog
Operating Temperature Range (C)-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125
数据表 (1)
标题类型大小 (KB)日期
LMP8602/2Q/3/3Q 60V Common Mode, Fixed Gain, Precision Current Sensing AmpPDF14292013年 3月 22日
应用手册 (1)
标题类型大小 (KB)日期
Application Note 1923 Current Sense Demo Board (SOIC) User's Guide (cn)PDF10562009年 4月 29日
用户指南 (2)
标题类型大小 (KB)日期
AN-1958 LMP860X SOIC Eval Board User's GuidePDF15712013年 4月 26日
AN-1923 Current Sense Demo Board (SOIC) User's GuidePDF97372013年 4月 26日
选择与解决方案指南 (1)
标题类型大小 (KB)日期
Motor Control Solutions BrochurePDF21022014年 10月 31日
更多文献资料 (3)
标题类型大小 (KB)日期
汽车运算放大器宣传册PDF81582015年 2月 5日
TI 旋转电机-繁体字版本 (Rev. D)PDF44912012年 7月 2日
电机驱动与控制解决方案指南 (Rev. D)PDF32432012年 5月 30日
模型 (1)
标题种类类型大小 (KB)日期
LMP8603 PSPICE ModelPSpice ModelZIP1 KB2012年 1月 16日
设计套件与评估板 (1)
培训内容型号类型
用于 LMP8603 的评估板LMP8603MAEVAL评估模块和开发板
描述器件型号公司工具类型
具有稳定瞬态性能的电流并联监视器参考设计TIDA-00302Texas Instruments参考设计
订购型号Ordering
型号状态温度 (oC)价格(美元) | Quantity封装 | 引脚器件标记
LMP8603QMA/NOPBACTIVE-40 to 125联系BDTICSOIC (D) | 8LMP86 03QMA
LMP8603QMAX/NOPBACTIVE-40 to 125联系BDTICSOIC (D) | 8LMP86 03QMA
LMP8603QMM/NOPBACTIVE-40 to 125联系BDTICVSSOP (DGK) | 8AH7A
LMP8603QMME/NOPBACTIVE-40 to 125联系BDTICVSSOP (DGK) | 8AH7A
LMP8603QMMX/NOPBACTIVE-40 to 125联系BDTICVSSOP (DGK) | 8AH7A

这里所列出的美国报价单仅供预算参考,指美元报价(规定订量的每片美元,美国离岸价),如有修改不再另行通知。由于地区关税、商业税、汇率及手续费原因,国际报价可能不同。对于特殊批量报价,请与BDTIC 联络。对于评估板和套件的报价是指一个单位价格。

LMP8603-Q1