XTR105 Status: ACTIVE

4-20mA Current Transmitter with Sensor Excitation and Linearization

Burr-Brown

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Datasheet

XTR105: 4-20mA Current Transmitter with Sensor Excitation and Linearization (Rev. B) (PDF 559 KB) 10090 views
27 Aug 2004

	XTR105
Sensor Excitation	Two 800uA sources
Loop Voltage(V)	7.5 to 36
Full Scale Input Range	5mV to 1V
Non-Linearity(Max)(%)	0.01
Output Zero Error (+/-)(Max)(uA)	25
Vs(Min)(V)	7.5
Vs(Max)(V)	36
Auxiliary Output Voltage(V)	5.1
Span Error(Max)(%)	0.2
Offset Voltage (+/-)(Max)(uV)	25
Offset Voltage Drift (+/-)(Max)(uV/Degrees Celsius)	1.5
CMRR, 60Hz(Min)(dB)	86
Pin/Package	14PDIP, 14SOIC
	Samples
	Inventory

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Product Information

Features

LOW UNADJUSTED ERROR
TWO PRECISION CURRENT SOURCES: 800 µA each
LINEARIZATION
2-OR 3-WIRE RTD OPERATION
LOW OFFSET DRIFT: 0.4 µV/°C
LOW OUTPUT CURRENT NOISE: 30NA_PP
HIGH PSR: 110dB minimum
HIGH CMR: 86dB minimum
WIDE SUPPLY RANGE: 7.5V to 36V
DIP-14 AND SO-14 PACKAGES
APPLICATIONS
- INDUSTRIAL PROCESS CONTROL
- FACTORY AUTOMATION
- SCADA REMOTE DATA ACQUISITION
- REMOTE TEMPERATURE AND PRESSURE TRANSDUCERS

All trademarks are the property of their respective owners.

Description

The XTR105 is a monolithic 4-20mA, 2-wire current transmitter with two precision current sources. It provides complete current excitation for platinum RTD temperature sensors and bridges, instrumentation amplifiers, and current output circuitry on a single integrated circuit.

Versatile linearization circuitry provides a 2nd-order correction to the RTD, typically achieving a 40:1 improvement in linearity.

Instrumentation amplifier gain can be configured for a wide range of temperature or pressure measurements. Total unadjusted error of the complete current transmitter is low enough to permit use without adjustment in many applications. This includes zero output current drift, span drift, and nonlinearity. The XTR105 operates on loop power-supply voltages down to 7.5V.

The XTR105 is available in DIP-14 and SO-14 surface-mount packages and is specified for the –40°C to +85°C industrial temperature range.

Pricing / Packaging / CAD Design Tools / Samples

		Price	Packaging			CAD Design Tools		Samples
Device	Status	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Symbols	Footprints	Samples
XTR105P	ACTIVE	6.45 \| 1ku	PDIP (N) \| 14	View	25 \| TUBE	Contact TI Distributor or Sales Office
XTR105PA	ACTIVE	4.60 \| 1ku	PDIP (N) \| 14	View	25 \| TUBE	Contact TI Distributor or Sales Office
XTR105PAG4	ACTIVE	4.60 \| 1ku	PDIP (N) \| 14	View	25 \| TUBE	Contact TI Distributor or Sales Office
XTR105PG4	ACTIVE	6.45 \| 1ku	PDIP (N) \| 14	View	25 \| TUBE	Contact TI Distributor or Sales Office
XTR105U	ACTIVE	6.45 \| 1ku	SOIC (D) \| 14	View	50 \| TUBE	Contact TI Distributor or Sales Office
XTR105UA	ACTIVE	5.10 \| 1ku	SOIC (D) \| 14	View	50 \| TUBE	Contact TI Distributor or Sales Office
XTR105UA/2K5	ACTIVE	4.60 \| 1ku	SOIC (D) \| 14	View	2500 \| LARGE T&R	Purchase Samples
XTR105UA/2K5E4	ACTIVE	4.60 \| 1ku	SOIC (D) \| 14	View	2500 \| LARGE T&R	Purchase Samples
XTR105UAG4	ACTIVE	5.10 \| 1ku	SOIC (D) \| 14	View	50 \| TUBE	Contact TI Distributor or Sales Office
XTR105UG4	ACTIVE	6.45 \| 1ku	SOIC (D) \| 14	View	50 \| TUBE	Contact TI Distributor or Sales Office

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

	TI Inventory Status		Reported Distributor Inventory
XTR105P	As of 7:59 AM GMT, 03 Jul 2009		As of 7:59 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	4 Weeks		Americas	Arrow	4
				DigiKey	>1k
				Mouser Electronics	392
				Newark	800
			Asia	WPI	23
			Europe	Avnet-SILICA	25
				Compel	495
				Farnell	59
				Spoerle	84
XTR105PA	As of 7:59 AM GMT, 03 Jul 2009		As of 7:59 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	12 Weeks		Americas	DigiKey	>1k
				Mouser Electronics	131
				Newark	>1k
				Rochester Electronics	>1k
			Asia	WPI	356
			Europe	Arrow Northern Europe	50
				Farnell	182
				Spoerle	18
XTR105PAG4	As of 7:59 AM GMT, 03 Jul 2009		As of 7:59 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	12 Weeks		Americas	DigiKey	Available
	12 Weeks		Europe	EBV Elektronik	13
XTR105PG4	As of 7:59 AM GMT, 03 Jul 2009		As of 7:59 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	4 Weeks		Americas	DigiKey	Available
	4 Weeks		Europe	Compel	962
XTR105U	As of 7:59 AM GMT, 03 Jul 2009		As of 7:59 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	4 Weeks		Americas	Arrow	>1k
				Avnet	26
				DigiKey	>1k
				Mouser Electronics	50
			Europe	Compel	>1k
				Farnell	70
				Spoerle	2
XTR105UA	As of 7:59 AM GMT, 03 Jul 2009		As of 7:59 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	4 Weeks		Americas	Arrow	>1k
				Avnet	82
				DigiKey	>1k
				Mouser Electronics	148
				Rochester Electronics	36
			Europe	Abacus Polar	430
				Arrow Northern Europe	100
				Arrow Southern Europe	>1k
				Avnet-SILICA	544
				Compel	>1k
				Spoerle	>1k
XTR105UA/2K5	As of 7:59 AM GMT, 03 Jul 2009		As of 7:59 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	8 Weeks		Americas	Avnet	>1k
	8 Weeks		Americas	DigiKey	Available
XTR105UA/2K5E4	As of 7:59 AM GMT, 03 Jul 2009		As of 7:59 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	8 Weeks		Americas	DigiKey	Available
XTR105UAG4	As of 7:59 AM GMT, 03 Jul 2009		As of 7:59 AM GMT, 03 Jul 2009
	Lead Time		Region	Company	In Stock	Purchase
	4 Weeks		Americas	DigiKey	Available
	4 Weeks		Europe	EBV Elektronik	50
XTR105UG4	As of 7:59 AM GMT, 03 Jul 2009		As of 7:59 AM GMT, 03 Jul 2009
	Lead Time	Region	Company	In Stock	Purchase
	4 Weeks	Americas	DigiKey	Available
View all Distributors

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
XTR105P	Green (RoHS & no Sb/Br)	CU NIPDAU	N/A for Pkg Type	View	View
XTR105PA	Green (RoHS & no Sb/Br)	CU NIPDAU	N/A for Pkg Type	View	View
XTR105PAG4	Green (RoHS & no Sb/Br)	CU NIPDAU	N/A for Pkg Type	View	View
XTR105PG4	Green (RoHS & no Sb/Br)	CU NIPDAU	N/A for Pkg Type	View	View
XTR105U	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-3-260C-168 HR	View	View
XTR105UA	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-3-260C-168 HR	View	View
XTR105UA/2K5	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-3-260C-168 HR	View	View
XTR105UA/2K5E4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-3-260C-168 HR	View	View
XTR105UAG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-3-260C-168 HR	View	View
XTR105UG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-3-260C-168 HR	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Most useful technical documents for XTR105

Datasheet

XTR105: 4-20mA Current Transmitter with Sensor Excitation and Linearization (Rev. B) (PDF 559 KB) 10090 views
27 Aug 2004

Application Notes

Thermal and Electrical Properties of Selected Packaging Materials (HTM 8 KB) 12840 views
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FOUR-WIRE RTD CURRENT-LOOP TRANSMITTER (HTM 8 KB) 2550 views
27 Sep 2000 Read Abstract
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24 May 2004 Read Abstract
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02 Oct 2000 Read Abstract
IC Building Blocks Form Complete Isolated 4-20mA Current-Loop (HTM 8 KB) 3817 views
27 Sep 2000 Read Abstract

View Application Notes for 4-20mA Conditioning

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02 Nov 2005

View More Literature for 4-20mA Conditioning

Tools & Software

Name	Part #	Company	Tool / Software Type
Free Tool: Current Transmitter Component Calculator	XTR-ERROR-CALC	Texas Instruments	Calculation Utilities

Part #	Name	Product Family	Comments
XTR112	4-20mA Current Transmitters with Sensor Excitation and Linearization		2 matched 250uA current sources instead of 800uA sources.
XTR114	4-20mA Current Transmitters with Sensor Excitation and Linearization		2 matched 100uA current sources instead of 800uA sources.
XTR108	4-20mA, Two-Wire Transmitter 'Smart' Programmable with Signal Conditioning		More programmable. 2 matched 500uA current sources instead of 800uA sources. Also includes 5V regulator.
XTR101	Precision, Low Drift 4-20mA Two-Wire Transmitter		11.6V to 40V supply instead of 7.5V to 36V. 2 matched 1mA current sources instead of 800uA sources.
ISO124	Precision Lowest Cost Isolation Amplifier	AMPLIFIERS AND LINEAR - ISOLATION AMPLIFIERS	XTR105 can be used with the ISO124 in Isolated 4-20mA Instrument Loop. See Literature sbos074c
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XTR105 Status: ACTIVE

4-20mA Current Transmitter with Sensor Excitation and Linearization

See Also

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Datasheet

Customers Who Evaluated This Product Also Evaluated

Product Information

Features

Description

Pricing / Packaging / CAD Design Tools / Samples

Inventory

Quality & Lead (Pb)-Free Data

Technical Documents

Datasheet

Application Notes

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