XTR106UE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments XTR106UE4 is a precision 4–20mA 2-wire transmitter with integrated instrumentation amplifier, supporting up to 36V loop voltage in a 14-pin SOIC package. It offers 0.01% maximum non-linearity, 86dB CMRR, and 100µV maximum input offset voltage for accurate sensor signal conditioning. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- XTR106UE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Integrated precision instrumentation amplifier with 86 dB minimum CMRR and 100 µV maximum offset enables direct bridge sensor connection without external amplification
- 4–20 mA 2-wire loop transmitter on a 7.5V to 36V supply loop-powers the device, eliminating separate transmitter power supply wiring
- 0.01% maximum non-linearity over the full output range ensures high measurement fidelity for pressure, temperature, and load-cell sensor transmitters
Applications
The XTR106UE4 is designed for 4–20mA industrial process transmitters that interface resistive bridge sensors such as pressure transducers, load cells, and strain gauges directly to a 2-wire current loop. Its precision instrumentation amplifier front-end with 86dB CMRR rejects common-mode noise on long industrial cable runs of up to several hundred meters. The SOIC-14 package suits panel-mount transmitter modules and field instruments operating in -40°C to +85°C environments.
Specifications
| YTEOL | 0 |
| Amplifier Type | INSTRUMENTATION AMPLIFIER |
| Average Bias Current-Max (IIB) | 0.025 µA |
| Common-mode Reject Ratio-Min | 86dB |
| Input Offset Current-Max (IIO) | 0.003 µA |
| Input Offset Voltage-Max | 100 µV |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Non-linearity-Max | 0.01% |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Supply Voltage Limit-Max | 40V |
| Supply Voltage-Nom (Vsup) | 24V |
| Surface Mount | YES |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does XTR106UE4 achieve 4–20mA output from a Wheatstone bridge sensor without an external operational amplifier?
XTR106UE4 integrates a laser-trimmed instrumentation amplifier with programmable gain (set by a single external resistor), a precision voltage-to-current converter, and a 2.5V reference in one package. The instrumentation amplifier's 86dB minimum CMRR amplifies the small bridge differential signal while rejecting common-mode voltage, and the output stage converts the amplified voltage linearly to 4–20mA with 0.01% maximum non-linearity over the full output span — all loop-powered from the 7.5V to 36V 2-wire loop.
What is the minimum loop supply voltage for XTR106UE4, and can it operate on a 24V industrial process loop?
XTR106UE4 requires a minimum 7.5V loop supply voltage and operates up to 36V, making it fully compatible with the standard 24V DC industrial process loop. At 24V loop supply the device operates normally across its 4–20mA output range. At 20mA full-scale output the voltage available to the sensor and transmitter circuit is 24V minus the load resistance drop; with a 250Ω loop resistor the transmitter headroom is 24V − 5V = 19V, well above the 7.5V minimum.
For a pressure transmitter design, how is the gain of XTR106UE4's instrumentation amplifier set?
The instrumentation amplifier gain of XTR106UE4 is set by a single external resistor connected between the RG pins. Gain follows G = 1 + (40kΩ / RG). For a 350Ω bridge with 1mV/V sensitivity at 5V excitation (full-scale differential = 5mV), select G ≈ 800 using RG = 50Ω. This amplifies the 5mV bridge output to 4V full-scale, covering the 4–20mA span with margin. The internal 2.5V reference provides the bridge excitation voltage directly, eliminating a separate reference IC.
What is XTR106UE4's input offset voltage specification, and how does it affect 12-bit accuracy in a load-cell transmitter?
XTR106UE4 has a maximum input offset voltage of 100µV and a maximum bias current of 0.025µA. Referred to a 10mV full-scale bridge signal amplified to 4–20mA (16mA span), a 100µV offset represents 1% of full scale — equivalent to approximately 40 counts in a 12-bit system. In precision applications, offset trimming via the zero-adjust input pin or a one-point calibration procedure reduces effective error to under 12 counts (0.3%), meeting typical 0.1% accuracy specifications for industrial load-cell transmitters.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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