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XTR116UA/2K5

4-20-mA current loop transmitter with 4.096-V reference and 200-μA power

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

XTR116UA/2K5
Datasheet:

XTR116UA/2K5 Datasheet (PDF)
Vs (min) (V):

7.5
Vs (max) (V):

36
Offset voltage drift (±) (max) (V/°C):

0.000003
Offset voltage (±) (max) (V):

0.00025
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XTR116UA/2K5 General Description

The XTR115 and XTR116 (XTR11x) are precision current output converters designed to transmit analog 4-mA-to-20-mA signals over an industry standard current loop. These devices provide accurate current scaling and output current limit functions.

The on-chip voltage regulator (5 V) can be used to power external circuitry. A precision on-chip V REF (2.5 V for the XTR115 and 4.096 V for the XTR116) can be used for offsetting or to excite transducers. A current return pin (I RET) senses any current used in external circuitry to provide an accurate control of the output current.

The XTR11x are a fundamental building block of smart sensors using 4-mA-to-20-mA current transmission.

The XTR11x are specified for operation over the extended industrial temperature range, –40°C to +85°C.

Key Features

Low quiescent current: 200 µA
5-V regulator for external circuits
V REF for sensor excitation:
- XTR115: 2.5 V
- XTR116: 4.096 V
Low span error: 0.05%
Low nonlinearity error: 0.003%
Wide loop supply range: 7.5 V to 36 V
SO-8 package

Specifications

Vs (min) (V)	7.5	Vs (max) (V)	36
Offset voltage drift (±) (max) (V/°C)	0.000003	Offset voltage (±) (max) (V)	0.00025
Product type	2-wire bridge conditioner	Operating temperature range (°C)	-40 to 85
Rating	Catalog	Pin Count	8
Released Date	Mar 30, 2016	Last Modified Date	Mar 7, 2023 4:10 PM UTC