Overview
The LDC1612-Q1, specifically the LDC1612QDNTRQ1, is a 2-channel, 28-bit inductance to digital converter (LDC) designed by Texas Instruments. This device is part of the LDC1612-Q1 and LDC1614-Q1 family, which are tailored for inductive sensing applications. The LDC1612-Q1 is qualified for automotive applications and is AEC-Q100 certified, ensuring reliability and performance in harsh environments. It operates at 3.3V and supports a wide sensor frequency range of 1 kHz to 10 MHz, making it versatile for various sensing needs. The device is easy to use, requiring minimal configuration, and it supports remote sensing, which helps in reducing system cost and size.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Resolution | 28-bit | |
| Supply Voltage (VDD) | 3.3 V | V |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | 12-WSON | |
| Package Size | 4.00 mm × 4.00 mm | mm |
| Low Power Sleep Mode Current | 35 µA | µA |
| Shutdown Mode Current | 200 nA | nA |
| Sensor Frequency Range | 1 kHz to 10 MHz | Hz |
| I2C Interface | Supported |
Key Features
- Qualified for automotive applications with AEC-Q100 certification.
- Easy to use with minimal configuration required.
- Supports up to 2 sensors with one IC, and multiple channels for environmental and aging compensation.
- Multi-channel remote sensing capability to reduce system cost.
- Pin-compatible with medium and high-resolution options (LDC1312-Q1/LDC1314-Q1).
- Sensing range extends beyond two coil diameters.
- Immune to DC magnetic fields and magnets.
- Low power consumption with 35 µA in low power sleep mode and 200 nA in shutdown mode.
- Supports internal or external reference clock.
- Configurable via I2C interface.
Applications
- Automotive buttons and knobs.
- Linear and rotational encoders.
- Slider buttons.
- Metal detection in industrial and automotive applications.
- Flow meters.
Q & A
- What is the LDC1612-Q1 used for?
The LDC1612-Q1 is used for inductive sensing applications, converting inductance changes into digital values.
- What is the resolution of the LDC1612-Q1?
The resolution of the LDC1612-Q1 is 28 bits.
- What is the operating temperature range of the LDC1612-Q1?
The operating temperature range is -40°C to +125°C.
- What is the package type and size of the LDC1612-Q1?
The package type is 12-WSON, and the size is 4.00 mm × 4.00 mm.
- How does the LDC1612-Q1 support low power operation?
The device supports low power sleep mode with 35 µA and shutdown mode with 200 nA.
- What is the sensor frequency range supported by the LDC1612-Q1?
The sensor frequency range is 1 kHz to 10 MHz.
- Is the LDC1612-Q1 immune to DC magnetic fields?
Yes, the device is immune to DC magnetic fields and magnets.
- How is the LDC1612-Q1 configured?
The device is configured via an I2C interface.
- What are some common applications of the LDC1612-Q1?
Common applications include automotive buttons and knobs, linear and rotational encoders, slider buttons, metal detection, and flow meters.
- Is the LDC1612-Q1 AEC-Q100 certified?
Yes, the LDC1612-Q1 is AEC-Q100 certified for automotive applications.
