Overview
The MAX1361/MAX1362 are low-power, 10-bit, 4-channel analog-to-digital converters (ADCs) designed for system monitoring applications. These devices feature a digitally programmable window comparator with an interrupt output, enabling automatic system monitoring without host interaction. They are optimized for high reliability and low power consumption, making them suitable for a variety of applications including medical instrumentation and high reliability power supplies.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Resolution | - | - | - | 10-bit | - | - |
| Number of Channels | - | - | - | 4 | - | - |
| Input Configuration | - | - | - | Single-ended or fully differential | - | - |
| Conversion Rate | fSAMPLE | Normal mode | - | 94.4 ksps | - | ksps |
| Conversion Rate (Monitor Mode) | fSAMPLE | Monitor mode | - | 150 ksps | - | ksps |
| Supply Voltage (MAX1361) | VDD | - | 2.7V | - | 3.6V | V |
| Supply Voltage (MAX1362) | VDD | - | 4.5V | - | 5.5V | V |
| Internal Reference Voltage (MAX1361) | VREF | - | - | 2.048V | - | V |
| Internal Reference Voltage (MAX1362) | VREF | - | - | 4.096V | - | V |
| Power Consumption (Monitor Mode) | - | Monitor mode, 150ksps | - | 436µA | - | µA |
| Power Consumption (Normal Mode) | - | Normal mode, 94.4ksps | - | 670µA | - | µA |
Key Features
- Digitally programmable window comparator with interrupt output for automatic system monitoring.
- Programmable lower and upper trip thresholds and alarm-status register to record fault events.
- SMBus alert response for quick identification of the alarming device on a shared interrupt.
- Programmable sampling intervals to lower power consumption at reduced monitoring rates.
- Internal voltage reference, clock, and high-speed I2C-compatible serial interface up to 1.7MHz.
- Configurable for single-ended or fully differential operation and unipolar or bipolar conversions.
- Fast sampling rate of 94.4ksps in normal mode and 150ksps in monitor mode.
- Low power consumption with 436µA in monitor mode and 670µA at 94.4ksps.
Applications
- System monitoring applications.
- Medical instrumentation.
- High reliability power supplies.
- Automotive and industrial control systems.
- Environmental monitoring and data logging.
Q & A
- What is the resolution of the MAX1361/MAX1362 ADCs?
The MAX1361/MAX1362 ADCs have a resolution of 10 bits.
- How many channels do the MAX1361/MAX1362 ADCs support?
The MAX1361/MAX1362 ADCs support 4 channels.
- What are the input configuration options for the MAX1361/MAX1362?
The inputs can be configured for single-ended or fully differential operation and can perform unipolar or bipolar conversions.
- What is the conversion rate of the MAX1361/MAX1362 in normal mode?
The conversion rate in normal mode is 94.4 ksps.
- What is the conversion rate of the MAX1361/MAX1362 in monitor mode?
The conversion rate in monitor mode is 150 ksps.
- What are the supply voltage ranges for the MAX1361 and MAX1362?
The MAX1361 operates from 2.7V to 3.6V, and the MAX1362 operates from 4.5V to 5.5V.
- What are the internal reference voltages for the MAX1361 and MAX1362?
The internal reference voltage for the MAX1361 is 2.048V, and for the MAX1362, it is 4.096V.
- How much power do the MAX1361/MAX1362 consume in monitor mode and normal mode?
In monitor mode, the power consumption is 436µA, and in normal mode, it is 670µA at 94.4ksps.
- What communication interface do the MAX1361/MAX1362 use?
The MAX1361/MAX1362 use a high-speed I2C-compatible serial interface up to 1.7MHz.
- What are some typical applications for the MAX1361/MAX1362?
Typical applications include system monitoring, medical instrumentation, high reliability power supplies, automotive and industrial control systems, and environmental monitoring.
