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See Technical Specifications

LDC1312QDNTRQ1

2-Ch, 12-bit, general purpose automotive inductance to digital converter

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

LDC1312QDNTRQ1
Datasheet:

LDC1312QDNTRQ1 Datasheet (PDF)
Series:

Automotive, AEC-Q101
Type:

Inductance-to-Digital Converter
Number of Channels:

2
Resolution (Bits):

12 b
EDA/CAD Models:

Request Free CAD Models for LDC1312QDNTRQ1

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LDC1312QDNTRQ1 General Description

The LDC1312-Q1 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 LDC1312-Q1 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.

The LDC1312-Q1 and LDC1314-Q1 offer well-matched channels, which allow for differential and ratiometric measurements. This enables designers to use one channel to compensate their sensing for environmental and aging conditions such as temperature, humidity, and mechanical drift. Given their ease of use, low power, and low system cost these products enable designers to greatly improve on existing sensing solutions and to introduce brand new sensing capabilities to products in all markets, especially consumer and industrial applications. Inductive sensing offers better performance, reliability, and flexibility than competitive sensing technologies at lower system cost and power.

The LDC1312-Q1 and LDC1314-Q1 are easily configured via an I2C interface. The two-channel LDC1312-Q1 is available in a WSON-12 package and the four-channel LDC1314-Q1 is available in a WQFN-16 package.

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Key Features

Qualified for Automotive Applications
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
Easy-to-use – Minimal Configuration Required
Measure up to 4 Sensors with One IC
Multiple Channels Support Environmental and
Aging Compensation
Multi-Channel Remote Sensing Provides Lowest
System Cost
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
Supports Wide Sensor Frequency Range of 1kHz
to 10MHz
Power Consumption:
- 35 µA Low Power Sleep Mode
- 200 nA Shutdown Mode
3.3V Operation
Support Internal or External Reference Clock
Immune to DC Magnetic Fields and Magnets

Specifications

Category	Integrated Circuits (ICs)Data AcquisitionADCs/DACs - Special Purpose	Series	Automotive, AEC-Q101
Type	Inductance-to-Digital Converter	Number of Channels	2
Resolution (Bits)	12 b	Sampling Rate (Per Second)	13.3k
Data Interface	I²C	Voltage Supply Source	Single Supply
Voltage - Supply	2.7V ~ 3.6V	Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount	Base Product Number	LDC1312