Overview
The LTC2418CGN#TRPBF is a high-resolution, 24-bit ΔΣ (delta-sigma) analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the LTC2418 series, which includes 8-/16-channel (4-/8-differential) micropower ADCs. It is designed for applications requiring high precision and low noise, making it suitable for various data acquisition and measurement systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 24-bit |
| Number of Channels | 16 (8 differential) |
| Conversion Rate | 7.5 samples per second (sps) |
| Input Range | -5V REF to 0.5V REF (full-scale bipolar) |
| Supply Voltage | 2.7V to 5.5V |
| Integral Nonlinearity (INL) | 2ppm |
| RMS Noise | 0.2ppm |
| Common Mode Rejection | Better than 140dB |
| Package | 28-Lead SSOP (Narrow 0.15 Inch) |
| Operating Temperature | 0°C to 70°C |
Key Features
- High resolution 24-bit ΔΣ ADC with low noise and high accuracy.
- Integrated oscillator with the option for external oscillator input.
- Flexible 4-wire digital interface compatible with SPI and MICROWIRE protocols.
- No latency; each conversion is valid even after a change in input channel.
- Single cycle settling time for multiplexed applications.
- Accepts any external differential reference voltage from 0.1V to VCC.
- Configurable for better than 110dB differential mode rejection at 50Hz or 60Hz ±2%.
Applications
The LTC2418CGN#TRPBF is suitable for a variety of applications, including:
- Data acquisition systems requiring high precision and low noise.
- Ratiometric and remote sensing measurement applications.
- Multiplexed measurement systems where single cycle settling time is crucial.
- Industrial control and automation systems.
- Medical and scientific instruments.
Q & A
- What is the resolution of the LTC2418CGN#TRPBF ADC?
The LTC2418CGN#TRPBF has a 24-bit resolution. - How many channels does the LTC2418CGN#TRPBF support?
The LTC2418CGN#TRPBF supports 16 channels (8 differential channels). - What is the conversion rate of the LTC2418CGN#TRPBF?
The conversion rate is 7.5 samples per second (sps). - What is the supply voltage range for the LTC2418CGN#TRPBF?
The supply voltage range is from 2.7V to 5.5V. - What is the integral nonlinearity (INL) of the LTC2418CGN#TRPBF?
The INL is 2ppm. - Can the LTC2418CGN#TRPBF be configured for different rejection frequencies?
Yes, it can be configured for better than 110dB differential mode rejection at 50Hz or 60Hz ±2%, or driven by an external oscillator for a user-defined rejection frequency. - What type of digital interface does the LTC2418CGN#TRPBF use?
The LTC2418CGN#TRPBF uses a flexible 4-wire digital interface compatible with SPI and MICROWIRE protocols. - Does the LTC2418CGN#TRPBF have any latency in its conversions?
No, there is no latency; each conversion is valid even after a change in input channel. - What is the operating temperature range of the LTC2418CGN#TRPBF?
The operating temperature range is from 0°C to 70°C. - What package type is the LTC2418CGN#TRPBF available in?
The LTC2418CGN#TRPBF is available in a 28-Lead SSOP (Narrow 0.15 Inch) package.
