Texas Instruments LDC1000EVM - Evaluation Module for Inductance to Digital Converter with Sample PCB Coil LDC1000EVM LDC1000EVM Scheda Tecnica

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LDC1000EVM
Pagina di 35
SNOSCX2 – SEPTEMBER 2013
LDC1000 Inductance to Digital Converter
Check for Samples:
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FEATURES
DESCRIPTION
Inductive Sensing is a contact-less, short-range
Magnet-Free Operation
sensing technology that enables low-cost, high-
Sub-Micron Precision
resolution sensing of conductive targets in the
Adjustable Sensing Range (via Coil Design)
presence of dust, dirt, oil, and moisture, making it
extremely reliable in hostile environments. Using a
Lower System Cost
coil which can be created on a PCB as a sensing
Remote Sensor Placement (Decoupling the
element, the LDC1000 enables ultra-low cost system
LDC from Harsh Environments)
solutions.
High Durability (by Virtue of Contact-Less
Inductive
sensing
technology
enables
precise
Operation)
measurement
of
linear/angular
position,
Insensitivity to Environmental Interference
displacement, motion, compression, vibration, metal
(such as Dirt, Dust, Water, Oil)
composition, and many other applications in markets
including automotive, consumer, computer, industrial,
Supply Voltage, Analog: 4.75V to 5.25V
medical, and communications. Inductive sensing
Supply Voltage, IO: 1.8V to 5.25V
offers better performance and reliability at lower cost
Supply Current (w/o LC Tank): 1.7mA
than other, competitive solutions.
Rp Resolution: 16-bit
The LDC1000 is the world’s first inductance-to-digital
L Resolution: 24-bit
converter, offering the benefits of inductive sensing in
a low-power, small-footprint solution. The product is
LC Frequency Range: 5kHz to 5MHz
available in a SON-16 package and offers several
modes of operation. An SPI interface simplifies
APPLICATIONS
connection to an MCU.
Drive-by-Wire Systems
Gear-Tooth Counting
Flow Meters
Push-Button Switches
Notebook Computers
Game Controllers
Multi-Function Printers
Digital Cameras
Medical Devices
TYPICAL APPLICATION
Figure 1. Axial Distance Sensing
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.