Overview
The LTC2422CMS#PBF is a high-performance, 20-bit analog-to-digital converter (ADC) produced by Analog Devices, Inc. This device is part of the microPOWER™ series and is designed to provide exceptional accuracy and noise rejection, making it suitable for a variety of precision measurement and control applications. The LTC2422CMS#PBF features a single-pin configuration option for optimal noise rejection and can be driven by an external oscillator to achieve custom rejection frequencies between 1Hz and 120Hz. The internal oscillator eliminates the need for external frequency setting components, simplifying the design process.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Series | LTC2422 |
| Mounting Style | SMD/SMT | Resolution | 20 bit |
| Number of Channels | 2 Channel | Interface Type | SPI |
| Sampling Rate | 7.5 S/s | Input Type | Single-Ended |
| Architecture | Sigma-Delta | Analog Supply Voltage | 2.7 V to 5.5 V |
| Digital Supply Voltage | 2.7 V to 5.5 V | Minimum Operating Temperature | 0°C |
| Maximum Operating Temperature | +70°C | Packaging | TFSOP-10, MSOP-10 |
| DNL - Differential Nonlinearity | 1 LSB | INL - Integral Nonlinearity | 4.19 LSB |
Key Features
- Accurate measurements with minimal error, ensuring high precision in applications.
- Suitable for industrial automation applications due to its robust design and high accuracy.
- Fully integrated solution that reduces the Bill of Materials (BOM) by eliminating the need for external frequency setting components.
- Single-pin configuration option for better than 110dB rejection at 50Hz or 60Hz ±2%, or can be driven by an external oscillator for custom rejection frequencies.
- Extended input conversion range of –12.5% VREF to 112.5% VREF, resolving offset and overrange issues of preceding sensors or signal conditioning circuits.
- Communicates through a 2- or 3-wire digital interface compatible with SPI and MICROWIRE™ protocols.
Applications
- Flow meters: Utilized for precise measurement in fluid flow applications.
- Load cells: Used in weight measurement systems requiring high accuracy.
- Voltage measurement: Suitable for various voltage measurement applications in industrial and precision environments.
Q & A
- What is the LTC2422CMS#PBF used for?
The LTC2422CMS#PBF is a 20-bit analog-to-digital converter used for precision measurement and control applications, including flow meters, load cells, and voltage measurement.
- What is the sampling rate of the LTC2422CMS#PBF?
The sampling rate of the LTC2422CMS#PBF is 7.5 samples per second.
- What is the operating temperature range of the LTC2422CMS#PBF?
The operating temperature range is from 0°C to +70°C.
- What interface does the LTC2422CMS#PBF use?
The LTC2422CMS#PBF communicates through a 2- or 3-wire digital interface compatible with SPI and MICROWIRE™ protocols.
- How does the LTC2422CMS#PBF achieve noise rejection?
The device can be configured through a single pin for better than 110dB rejection at 50Hz or 60Hz ±2%, or driven by an external oscillator for custom rejection frequencies.
- What is the resolution of the LTC2422CMS#PBF?
The resolution of the LTC2422CMS#PBF is 20 bits.
- What is the supply voltage range for the LTC2422CMS#PBF?
The supply voltage range is from 2.7 V to 5.5 V for both analog and digital supplies.
- Is the LTC2422CMS#PBF RoHS compliant?
Yes, the LTC2422CMS#PBF is lead-free and RoHS compliant.
- What package types are available for the LTC2422CMS#PBF?
The device is available in 10-MSOP and 10-TFSOP packages.
- Where can I find detailed information about the LTC2422CMS#PBF?
Detailed information, including application notes and datasheets, can be found on the Analog Devices website or through authorized distributors like Ovaga and BluesChip-Store.
