TUSB8041IRGCR 4-Port USB 3.0 Hub with 5Gbps Speed Low Power Compact QFN, Industrial Temp ESD Protection & Plug-and-Play

Features

• Low quiescent current: 200 μA

• 5-V regulator for external circuits

• VREF 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

Applications

• 2-wire, 4-20-mA current loop

• Transmitter

• Smart transmitter

• Industrial process control

• Test systems

• Compatible with HART modem

• Current amplifier

• Voltage-to-current amplifier

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 VREF (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 (IRET) 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.

INFORMATION

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