LDC1312QDNTRQ1

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1. Description

The LDC1312QDNTRQ1 and LDC1314-Q1 are 2- and 4-channel, 12-bit inductance to digital converters (LDCs) for inductive sensing solutions. With multiple channels and support for remote sensing, the LDC1312QDNTRQ1 and LDC1314-Q1 enable the performance and reliability benefits of inductive sensing to be realized at minimal cost and power. The products are easy to use, only requiring that the sensor frequency be within 1 kHz and 10 MHz to begin sensing. The wide 1 kHz to 10 MHz sensor frequency range also enables use of very small PCB coils, further reducing sensing solution cost and size.

2. Features

    1. Qualified for Automotive Applications

    2. AEC-Q100 Qualified With the Following Results:

        – Device Temperature Grade 1:–40°C to +125°C Ambient Operating Temperature Range

        – Device HBM ESD Classification Level 2

        – Device CDM ESD Classification Level C5

    3. Easy-to-use – Minimal Configuration Required

    4. Measure up to 4 Sensors with One IC

    5. Multiple Channels Support Environmental and Aging Compensation

    6. Multi-Channel Remote Sensing Provides Lowest System Cost

    7. Pin-Compatible Medium and High-resolution Options

        – LDC1312-Q1/LDC1314-Q1: 2/4-ch 12-bit LDC

        – LDC1612-Q1/LDC1614-Q1: 2/4-ch 28-bit LDC

    8. Supports Wide Sensor Frequency Range of 1kHz to 10MHz

    9. Power Consumption:

        – 35 µA Low Power Sleep Mode

        – 200 nA Shutdown Mode

  10. 3.3V Operation

  11. Support Internal or External Reference Clock

  12. Immune to DC Magnetic Fields and Magnets

3. Applications

    1. Automotive Buttons and Knobs

    2. Linear and Rotational Encoders

    3. Slider Buttons

    4. Metal Detection in Industrial and Automotive

    5. Flow Meters

4. Pin configuration

5. Pin Functions