Overview
The MAX1361/MAX1362, produced by Analog Devices Inc./Maxim Integrated, are low-power, 10-bit, 4-channel analog-to-digital converters (ADCs) designed for various system monitoring applications. These ADCs feature a digitally programmable window comparator with an interrupt output, making them suitable for monitoring multiple analog inputs in a single device.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Resolution | - | - | - | 10-bit | - | - |
| Number of Channels | - | - | - | 4 | - | - |
| Input Type | - | - | - | Single-ended or fully differential | - | - |
| Sampling Rate | fSAMPLE | - | - | 94.4 ksps (normal), 150 ksps (monitor mode) | - | ksps |
| Supply Voltage | VDD | - | 2.7V (MAX1361), 4.5V (MAX1362) | 3.6V (MAX1361), 5.5V (MAX1362) | - | V |
| Internal Reference Voltage | VREF | - | 2.048V (MAX1361), 4.096V (MAX1362) | - | - | V |
| Power Consumption | - | Monitor mode | - | 436 µA | - | µA |
| Power Consumption | - | Normal operation at 94.4 ksps | - | 670 µA | - | µA |
| I2C Interface Speed | fSCL | - | 100 kHz (standard), 400 kHz (fast), up to 1.7 MHz (high-speed) | - | - | kHz/MHz |
Key Features
- Digitally programmable window comparator with interrupt output
- Programmable lower/upper trip thresholds and alarm-status register
- Monitor mode with programmable sampling intervals
- 10-bit I2C-compatible ADC with ±1 LSB INL and ±1 LSB DNL
- 4-channel single-ended or 2-channel fully differential inputs
- Software programmable bipolar/unipolar conversions
- Fast sampling rate of 94.4 ksps in normal mode and 150 ksps in monitor mode
- High-speed I2C-compatible serial interface with up to 1.7 MHz speed
- Internal reference voltage options (2.048V for MAX1361, 4.096V for MAX1362)
- External reference voltage option (1V to VDD)
- Low power consumption (436 µA in monitor mode, 670 µA at 94.4 ksps)
Applications
- System monitoring in various industrial and medical instrumentation
- High reliability power supplies
- Industrial control and automation systems
- Test and measurement equipment
- Portable and battery-powered devices
- Instrumentation and data acquisition systems
Q & A
- What is the resolution of the MAX1361/MAX1362 ADC?
The MAX1361/MAX1362 ADCs have a 10-bit resolution.
- How many channels do the MAX1361/MAX1362 ADCs support?
These ADCs support 4 channels, which can be configured as single-ended or fully differential inputs.
- What are the supply voltage ranges for the MAX1361 and MAX1362?
The MAX1361 operates from 2.7V to 3.6V, while the MAX1362 operates from 4.5V to 5.5V.
- What are the internal reference voltage options for the MAX1361 and MAX1362?
The MAX1361 has an internal reference voltage of 2.048V, and the MAX1362 has an internal reference voltage of 4.096V.
- What is the maximum sampling rate of the MAX1361/MAX1362 in monitor mode?
The maximum sampling rate in monitor mode is 150 ksps.
- What is the power consumption of the MAX1361/MAX1362 in monitor mode?
The power consumption in monitor mode is typically 436 µA.
- What is the speed of the I2C interface for the MAX1361/MAX1362?
The I2C interface supports speeds up to 1.7 MHz in high-speed mode.
- Can the MAX1361/MAX1362 be used in industrial control systems?
- Are the MAX1361/MAX1362 compatible with microcontrollers?
- What kind of applications benefit from the programmable window comparator feature?
