Datasheet > LMP8358

LMP8358

更新时间： 2024-11-24 15:18:43

品牌	Logo	应用领域
德州仪器 - TI		放大器
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具有诊断功能的零漂移可编程仪器放大器

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LMP8358 数据手册

LMP8358

www.ti.com

SNOSB09B –APRIL 2010–REVISED MARCH 2013

LMP8358 Zero-Drift, Programmable Instrumentation Amplifier with Diagnostics

Check for Samples: LMP8358

FEATURES

DESCRIPTION

The LMP8358 is a precision programmable-gain

instrumentation amplifier in TI's LMP™ precision

amplifier family. Its gain can be programmed to 10,

20, 50, 100, 200, 500, or 1000 through an SPI-

compatible serial interface or through a parallel

interface. Alternatively, its gain can be set to an

arbitrary value using two external resistors. The

LMP8358 uses patented techniques to measure and

continuously correct its input offset voltage,

eliminating offset drift over time and temperature and

the effect of 1/f noise. Its ground-sensing CMOS input

features a high CMRR and low input bias currents. It

is capable of sensing differential input voltages in a

common-mode range that extends from 100mV below

the negative supply to 1.4V below the positive supply,

making it an ideal solution for interfacing with ground-

referenced sensors, supply-referenced sensor

bridges, and any other application requiring precision

and long-term stability. Additionally, the LMP8358

includes fault detection circuitry to detect open and

shorted inputs and deteriorating connections to the

signal source. Other features that make the LMP8358

a versatile solution for many applications are its rail-

to-rail output, low input voltage noise and high gain-

bandwidth product.

Typical Values Unless Otherwise Noted, T_A

25°C

•

Supply Voltage 2.7V to 5.5V

Supply Current 1.8 mA

Max Gain Error 0.15%

Max Gain Drift 16 ppm/°C

Min CMRR 110 dB

Max Offset Voltage 10 µV

Max Offset Voltage Drift 50 nV/°C

GBW (Gain = 10) 8 MHz

Max Non-Linearity 100 ppm

Operating Temperature Range −40°C to 125°C

Input Fault Detection

SPI or Pin Configurable Modes

EMIRR at 1.8GHz 92 dB

14-Pin SOIC and 14-Pin TSSOP Package

APPLICATIONS

•

Bridge Sensor Amplifier

Thermopile Amplifier

Portable Instrumentation

Medical Instrumentation

Precision Low-side Current Sensing

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.

LMP is a trademark of Texas Instruments.

All other 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...43

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与LMP8358相关器件

型号	品牌	获取价格	描述	数据表
LMP8358MA	NSC	获取价格	Zero-Drift, Programmable Instrumentation Amplifier with Diagnostics
LMP8358MA/NOPB	TI	获取价格	具有诊断功能的零漂移可编程仪表放大器 \| D \| 14 \| -40 to 125
LMP8358MAX	NSC	获取价格	Zero-Drift, Programmable Instrumentation Amplifier with Diagnostics
LMP8358MAX/NOPB	TI	获取价格	具有诊断功能的零漂移可编程仪表放大器 \| D \| 14 \| -40 to 125
LMP8358MT	NSC	获取价格	Zero-Drift, Programmable Instrumentation Amplifier with Diagnostics
LMP8358MT/NOPB	TI	获取价格	具有诊断功能的零漂移可编程仪表放大器 \| PW \| 14 \| -40 to 125
LMP8358MTX	NSC	获取价格	Zero-Drift, Programmable Instrumentation Amplifier with Diagnostics
LMP8358MTX/NOPB	TI	获取价格	具有诊断功能的零漂移可编程仪表放大器 \| PW \| 14 \| -40 to 125
LMP8480	TI	获取价格	Precision 76V High-Side Current Sense Amplifiers with Voltage Output
LMP8480ASQDGKRQ1	TI	获取价格	AEC-Q100、4V 至 76V 电流感应放大器 \| DGK \| 8 \| -40 to

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