1 Features
1• AEC-Q100 Qualified for Automotive Applications:
– Temperature grade 0: –40°C to 150°C, TA
• Magnet-free operation
• Sub-micron precision
• Adjustable sensing range (through coil design)
• Lower system cost
• Remote sensor placement (decoupling the LDC
from harsh environments)
• High durability (by virtue of contact-less operation)
• Insensitivity to environmental interference (such
as dirt, dust, water, oil)
• Supply voltage, analog: 4.75 V to 5.25 V
• Supply voltage, IO: 1.8 V to 5.25 V
• Supply current (without LC tank): 1.7 mA
• RP resolution: 16-bit
• L resolution: 24-bit
• LC frequency range: 5 kHz to 5 MHz

2 Applications
• Touch buttons
• Angular position sensing
• Linear position sensing
• Metal proximity sensing

3 Description
The LDC1001-Q1 device is a 4.75-V to 5.25-V
automotive-qualified inductance-to-digital converter
designed for parallel resistance (Rp) and inductance
(L) measurements. Inductive sensing technology
enables precise measurement of linear or angular
position of metal targets in automotive and industrial
applications.
Inductive sensing is a contactless, short-range
sensing technology that can enable high-resolution
sensing of conductive targets in the presence of dust,
dirt, oil, and moisture, which can be used by
applications in harsh environments.
The LDC1001-Q1 system consists of an inductive
sensor, typically a PCB coil, and a conductive target.
The LDC1001-Q1 is available in a 16-pin TSSOP
package and offers several modes of operation. A
serial peripheral interface (SPI) simplifies connection
to an MCU.