OPA191_V01 datasheet(31/53 Pages) TI1

Teilenummer	OPA191

Bauteilbeschribung	OPAx191 36-V, Low Power, Precision, CMOS, Rail-to-Rail Input/Output, Low Offset Voltage, Low Input Bias Current Op Amp

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OPA191, OPA2191, OPA4191

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SBOS701B – DECEMEBER 2015 – REVISED JULY 2019

Product Folder Links: OPA191 OPA2191 OPA4191

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9 Application and Implementation

NOTE

Information in the following applications sections is not part of the TI component

specification, and TI does not warrant its accuracy or completeness. TI’s customers are

responsible for determining suitability of components for their purposes. Customers should

validate and test their design implementation to confirm system functionality.

9.1 Application Information

The OPAx191 family offers outstanding dc precision and ac performance. These devices operate up to 36-V

supply rails and offer true rail-to-rail input/output, ultralow offset voltage and offset voltage drift, as well as

2-MHz bandwidth and high capacitive load drive. These features make the OPAx191 a robust, high-performance

operational amplifier for high-voltage industrial applications.

9.2 Typical Applications

9.2.1 Low-side Current Measurement

Figure 61 shows the OPA191 configured in a low-side current sensing application. For a full analysis of the

circuit shown in Figure 61 including theory, calculations, simulations, and measured data, see TI Precision

Design TIPD129, 0-A to 1-A Single-Supply Low-Side Current-Sensing Solution .

Figure 61. OPA191 in a Low-Side, Current-Sensing Application

9.2.1.1 Design Requirements

The design requirements for this design are:

•

Load current: 0 A to 1 A

•

Output voltage: 4.9 V

•

Maximum shunt voltage: 100 mV

Ähnliche Beschreibung - OPA191_V01

Hersteller	Teilenummer	Datenblatt	Bauteilbeschribung
Texas Instruments	OPA191	3Mb / 57P	[Old version datasheet] OPAx191 36-V, Low-Power, Precision, CMOS, Rail-to-Rail Input/Output, Low Offset Voltage, Low Input Bias Current Op Amp
	OPA191	4Mb / 59P	[Old version datasheet] OPAx191 36-V, Low-Power, Precision, CMOS, Rail-to-Rail Input/Output, Low Offset Voltage, Low Input Bias Current Op Amp REVISED AUGUST 2021
	OPA191	3Mb / 56P	[Old version datasheet] OPAx191 36-V, Low Power, Precision, CMOS, Rail-to-Rail Input/Output, Low Offset Voltage, Low Input Bias Current Op Amp
	OPA191_0017	3Mb / 51P	[Old version datasheet] 36-V, Low Power, Precision, CMOS, Rail-to-Rail Input/Output, Low Offset Voltage, Low Input Bias Current Op Amp
	OPA191_00017	3Mb / 52P	[Old version datasheet] 36-V, Low Power, Precision, CMOS, Rail-to-Rail Input/Output, Low Offset Voltage, Low Input Bias Current Op Amp
	OPA191_017	3Mb / 51P	[Old version datasheet] 36-V, Low Power, Precision, CMOS, Rail-to-Rail Input/Output, Low Offset Voltage, Low Input Bias Current Op Amp
	OPA191	3Mb / 49P	[Old version datasheet] Low Power, Precision, CMOS, Rail-to-Rail Input/Output, Low Offset Voltage, Low Input Bias Current Op Amp
	OPA192-Q1	2Mb / 42P	[Old version datasheet] 36-V, Precision, Rail-to-Rail Input/Output, Low-Offset Voltage, Low-Input Bias Current Op Amp With e-trim
	OPA192	2Mb / 52P	[Old version datasheet] OPAx192 36-V, Precision, Rail-to-Rail Input/Output, Low Offset Voltage,Low Input Bias Current Op Amp with e-trim?
	OPA2192	3Mb / 51P	[Old version datasheet] OPAx192 36-V, Precision, Rail-to-Rail Input/Output, Low Offset Voltage,Low Input Bias Current Op Amp with e-trim

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