Overview
The LTC2412IGN#PBF is a 2-channel differential input, micropower, 24-bit No Latency ΔΣ (delta-sigma) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is known for its high precision and low noise characteristics, making it suitable for a variety of high-accuracy measurement applications. The LTC2412 features an integrated oscillator and supports flexible configuration options, including the ability to reject common-mode noise at 50Hz or 60Hz ±2% or use an external oscillator for user-defined rejection frequencies.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 |
| Resolution | 24-bit |
| Conversion Rate | 7.5 samples per second (sps) |
| Integral Nonlinearity (INL) | 2 ppm |
| RMS Noise | 0.16 ppm over the entire supply range |
| Input Range | –0.5V REF to 0.5V REF (differential) |
| Reference Voltage Range | 0.1V to VCC |
| Common Mode Input Rejection | Better than 140 dB |
| Package Type | 16-Lead SSOP (Narrow 0.15 Inch) |
| Digital Interface | 3-wire, compatible with SPI and MICROWIRE protocols |
| RoHS Compliance | Yes |
Key Features
- High precision with 2 ppm INL and 0.16 ppm RMS noise.
- Integrated oscillator with no external frequency setting components required.
- Flexible input differential mode rejection at 50Hz or 60Hz ±2% or user-defined frequency using an external oscillator.
- Accepts any external differential reference voltage from 0.1V to VCC.
- Full-scale differential input range from –0.5V REF to 0.5V REF.
- Independent setting of reference common mode voltage (VREFCM) and input common mode voltage (VINCM) within the GND to VCC range.
- High common mode input rejection of better than 140 dB.
- Communicates through a flexible 3-wire digital interface compatible with SPI and MICROWIRE protocols.
Applications
The LTC2412 is suitable for various high-accuracy measurement applications, including:
- Precision data acquisition systems.
- Industrial process control and monitoring.
- Medical devices requiring high accuracy and low noise.
- Aerospace and defense applications where precision and reliability are critical.
- Remote sensing and ratiometric measurement configurations.
Q & A
- What is the resolution of the LTC2412 ADC?
The LTC2412 has a resolution of 24 bits. - How many channels does the LTC2412 support?
The LTC2412 supports 2 differential input channels. - What is the conversion rate of the LTC2412?
The conversion rate of the LTC2412 is 7.5 samples per second (sps). - What is the integral nonlinearity (INL) of the LTC2412?
The INL of the LTC2412 is 2 ppm. - Can the LTC2412 be configured for different noise rejection frequencies?
Yes, the LTC2412 can be configured for better than 110 dB input differential mode rejection at 50Hz or 60Hz ±2%, or it can be driven by an external oscillator for a user-defined rejection frequency. - What is the common mode input rejection of the LTC2412?
The common mode input rejection of the LTC2412 is better than 140 dB. - What type of digital interface does the LTC2412 use?
The LTC2412 communicates through a flexible 3-wire digital interface compatible with SPI and MICROWIRE protocols. - Is the LTC2412 RoHS compliant?
Yes, the LTC2412 is RoHS compliant. - What is the package type of the LTC2412IGN#PBF?
The package type of the LTC2412IGN#PBF is a 16-Lead SSOP (Narrow 0.15 Inch). - What is the reference voltage range for the LTC2412?
The reference voltage range for the LTC2412 is from 0.1V to VCC.
