XR10910

16:1 Sensor Interface
OBS (Obsolete)
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Overview

Information 16:1 Sensor Interface
Package QFN-40
Temperature Range (°C) -40 to 85
# of Channels 16
VCC MIN (V) 2.7
VCC MAX (V) 5
Interfaces I2C
Integrated Features 16:1 Diff Mux, INA, LDO, Offset correction DAC
Gain Range (V/V) 8 gains from 2 to 760
Gain Error (%) ±0.5
VIO MAX (mV) 1
Ib MAX (pA) 100
CMRR MIN (dB) 75
VDD MIN (V) 1.8
VDD MAX (V) 5
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The integrated offset correction DAC provides digital calibration of the variable and in many cases substantial offset voltage generated by the bridge sensors. The DAC is controlled by an I2C compatible 2 wire serial interface. The serial interface also provides the user with easy controls to the XR10910's many functions such as input and gain selection.

An integrated LDO provides a regulated voltage to power the input bridge sensors and is selectable, between 3V and 2.65V, via the serial interface for lower voltage compatibility. The LDO current can be sensed and a proportional voltage present at the output of the IC for monitoring the LDO current.

The XR10910 offers 8 fixed gain settings (from 2V/V to 760V/V), each with an error of only ±0.5%, that are selectable via the I2C interface.

The XR10910 is designed to operate from 2.7V to 5V supplies and is specified over the industrial temperature range of -40°C to 85°C. It is offered in a space saving 6mm x 6mm QFN-40 package. It consumes less than 556µA maximum supply current and offers a sleep mode for added power savings.

  • Force sensing
  • Integrated features for interfacing multiple bridge sensors with an MCU or FPGA:
    • 16:1 differential mux with I2C interface
    • Instrumentation amplifier
    • LDO
    • Offset correction DAC with I2C interface (±560mV offset correction range - RTI)
  • Eight selectable voltage gains from 2V/V to 760V/V with only ±0.5% gain error
  • 1mV maximum input offset voltage
  • 100pA maximum input bias current
  • 556µA maximum supply current
  • 2.7V to 5V analog supply voltage range
  • 1.8V to 5V digital supply voltage range
  • -40°C to 85°C temperature range
  • 6x6mm QFN-40
  • Resurgent Semiconductor has assumed all manufacturing, marketing, and sales of this device. Visit their website for additional information.

  • Bridge sensor interface
  • Pressure & temperature sensors
  • Strain gauge amplifier
  • Weigh scales
  • Industrial process controls

Documentation & Design Tools

Type Title Version Date File Size
Product Brochures Interface Brochure October 2022 3.8 MB
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Quality & RoHS

Part Number RoHS | Exempt RoHS Halogen Free REACH TSCA MSL Rating / Peak Reflow Package
XR10910IL40-F N Y Y Y Y QFN40 6x6 OPT1 Y
XR10910IL40TR-F N Y Y Y Y QFN40 6x6 OPT1 Y

Click on the links above to download the Certificate of Non-Use of Hazardous Substances.

Additional Quality Documentation may be available, please Contact Support.

Parts & Purchasing

Part Number Pkg Code Min Temp Max Temp Status Suggested Replacement PDN
XR10910IL40-F QFN40 6x6 OPT1 -40 85 OBS
XR10910IL40TR-F QFN40 6x6 OPT1 -40 85 OBS
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Part Status Legend
Active - the part is released for sale, standard product.
EOL (End of Life) - the part is no longer being manufactured, there may or may not be inventory still in stock.
CF (Contact Factory) - the part is still active but customers should check with the factory for availability. Longer lead-times may apply.
PRE (Pre-introduction) - the part has not been introduced or the part number is an early version available for sample only.
OBS (Obsolete) - the part is no longer being manufactured and may not be ordered.
NRND (Not Recommended for New Designs) - the part is not recommended for new designs.

Packaging

Pkg Code Details Quantities Dimensions PDF
QFN40 6x6 OPT1
  • JEDEC Reference: MO-220
  • MSL Pb-Free: L3 @ 260ºC
  • MSL SnPb Eutectic: n/a
  • ThetaJA: 32.3ºC/W
  • Bulk Pack Style: Tray
  • Quantity per Bulk Pack: 490
  • Quantity per Reel: 3000
  • Quantity per Tube: n/a
  • Quantity per Tray: 490
  • Reel Size (Dia. x Width x Pitch): 330 x 16 x 12
  • Tape & Reel Unit Orientation: Quadrant 1
  • Dimensions: mm
  • Length: 6.00
  • Width: 6.00
  • Thickness: 1.00
  • Lead Pitch: 0.50

Notifications

Distribution Date Description File
02/07/2020 Product Discontinuation Notice - Addendum
12/10/2019 Product Discontinuation Notice
07/21/2017 Qualification of alternate assembly subcon, ANST.

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The -F suffix indicates ROHS / Green compliance:
https://www.exar.com/quality-assurance-and-reliability/lead-free-program

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