Datasheet > LMP8603MAX

LMP8603MAX

更新时间： 2024-11-19 02:58:27

品牌	Logo	应用领域
德州仪器 - TI		放大器光电二极管
页数	文件大小	规格书
33页	1346K
描述
60V Common Mode, Fixed Gain, Bidirectional Precision Current Sensing Amplifier

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LMP8603MAX 数据手册

LMP8602, LMP8602Q, LMP8603, LMP8603Q

www.ti.com

SNOSB36D –JULY 2009–REVISED MARCH 2013

60V Common Mode, Fixed Gain, Bidirectional Precision Current Sensing Amplifier

Check for Samples: LMP8602, LMP8602Q, LMP8603, LMP8603Q

FEATURES

DESCRIPTION

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.

•

Unless Otherwise Noted, Typical Values at T_A

= 25°C, V_S= 5.0V, Gain = 50x (LMP8602), Gain

= 100x (LMP8603)

•

TCV_os10μV/°C max

CMRR 90 dB Min

Input Offset Voltage 1 mV Max

CMVR at V_S= 3.3V −4V to 27V

CMVR at V_S= 5.0V −22V to 60V

Operating Ambient Temperature Range −40°C

to 125°C

•

Single Supply Bidirectional Operation

All Min / Max Limits 100% Tested

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.

LMP8602Q and LMP8603Q Available in

Automotive AEC-Q100 Grade 1 Qualified

Version

APPLICATIONS

•

High Side and Low Side Driver Configuration

Current Sensing

•

Bidirectional Current Measurement

Current Loop to Voltage Conversion

Automotive Fuel Injection Control

Transmission Control

Power Steering

Battery Management Systems

Typical Applications

Inductive

Load

load

+5V

48V

+5V

+3.3V

Charger

Inductive

Load

24V

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...33

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与LMP8603MAX相关器件

型号	品牌	获取价格	描述	数据表
LMP8603MAX/NOPB	TI	获取价格	具有直列式滤波器功能的 -22V 至 60V、双向电流感应放大器 \| D \| 8 \| -4
LMP8603MM	NSC	获取价格	60V Common Mode, Fixed Gain, Bidirectional Precision Current Sensing Amplifier
LMP8603MM	TI	获取价格	60V Common Mode, Fixed Gain, Bidirectional Precision Current Sensing Amplifier
LMP8603MM/NOPB	TI	获取价格	具有直列式滤波器功能的 -22V 至 60V、双向电流感应放大器 \| DGK \| 8 \|
LMP8603MME	TI	获取价格	IC,SENSE AMPLIFIER,SINGLE,TSSOP,8PIN,PLASTIC
LMP8603MME/NOPB	TI	获取价格	具有直列式滤波器功能的 -22V 至 60V、双向电流感应放大器 \| DGK \| 8 \|
LMP8603MMX	NSC	获取价格	60V Common Mode, Fixed Gain, Bidirectional Precision Current Sensing Amplifier
LMP8603MMX	TI	获取价格	60V Common Mode, Fixed Gain, Bidirectional Precision Current Sensing Amplifier
LMP8603MMX/NOPB	TI	获取价格	具有直列式滤波器功能的 -22V 至 60V、双向电流感应放大器 \| DGK \| 8 \|
LMP8603Q	NSC	获取价格	60V Common Mode, Fixed Gain, Bidirectional Precision Current Sensing Amplifier

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