MAX22000
RECOMMENDED FOR NEW DESIGNSIndustrial Configurable Analog I/O
Fully Integrated, Robust, High Precision Configurable Analog IO
- Part Models
- 2
- 1ku List Price
- Starting From $28.70
Part Details
- Accuracy
- Analog Output Voltage or Current Mode:
- 0.02%FSR Accuracy, Room Temp
- 0.1%FSR Accuracy, ±50°C Temp Variation
- 5ppm/°C Internal Reference
- Analog Output Voltage or Current Mode:
- Flexibility
- 6 Analog Inputs/1 Analog Output, Software Configurable for Voltage and Current Mode
- Two Auxiliary ADC Inputs for Cold Junction Measurements
- RTD Input Mode in 2, 3, or 4-Wire Configurations
- Thermocouple Input Mode
- ±12.5V Input/Output Voltage Range
- ±25mA or ±2.5mA Output Current Range
- ±25V, ±2.5V, ±500mV, ±250mV, and ±125mV PGA Input Voltage Ranges
- +24V Field Supply for Current Loop
- Optional External Reference for ADC and/or DAC
- Six GPIOs
- 20MHz SPI Interface
- Robustness
- ±36V Protection on All Analog I/O Ports
- Overcurrrent Protection
- Thermal Shutdown
- Undervoltage Interrupt on All High Voltage Supplies
- CRC Detection
- Open Detection on All Analog Inputs
- 1kV HBM Protection on All Pins
- -40°C to +125°C Operating Temperature Range
- 9mm x 9.5mm 64-Pin LGA Package
The MAX22000 is an industrial-grade configurable analog input/output device that can be configured on-the-fly in software as a voltage input or output, or current input or output. Additional inputs are available to measure other analog signals.
The device offers an 18-bit DAC with fast settling time as well as a 24-bit delta-sigma ADC. The ADC and DAC can individually choose between an internal or an external reference. The MAX22000 supports the ADC with a low-noise programmable gain amplifier (PGA), with high-voltage and low-voltage input ranges to support RTD and thermocouple measurements. Additional auxiliary inputs are provided to measure cold junction temperatures on-board. The MAX22000 communicates through a high speed 20MHz SPI bus for all configuration and management information as well as for conversion results. An optional 8-bit CRC enhances the reliability of the SPI interface, protecting against all 8-bit bursts and double-bit errors. The MAX22000 operates from 2.7V to 3.6V analog and digital supplies and up to ±24V high-voltage supplies. The device is available in a 64-pin LGA package and operates over the -40°C to +125°C industrial temperature range.Applications
- Distributed Control Systems
- Process Control
- Programmable Logic Controllers (PLC)
- Programmable Automation Controllers (PAC)
Documentation
Data Sheet 1
User Guide 2
Design Note 3
Technical Articles 2
Video 2
3rd Party Solutions 1
Book & eBook 1
Analog Dialogue 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX22000ALB+ | 64-LGA-9.5X9X1 | ||
| MAX22000ALB+T | 64-LGA-9.5X9X1 |
This is the most up-to-date revision of the Data Sheet.
Hardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Industrial I/O 1 | ||
| MAX14914A | PRODUCTION | High-Side Switch with Settable Current-Limiting, Push-Pull Driver Option, and Digital Input Configuration |
Tools & Simulations
Software Development 2
IBIS Model 1
Evaluation Kits
Evaluation Kit for the MAX22000
Resources
Reference Designs
MAXREFDES177# IO-Link Universal Analog IO
Part Used
Design & Integration Tools
Configurable IO with Safety Monitoring
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MAXREFDES183# Portable Precision Calibrator
Part Used
Design & Integration Tools
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