Overview
The MAX1364EUB+T, produced by Analog Devices Inc./Maxim Integrated, is a low-power, 12-bit, 4-channel analog-to-digital converter (ADC) designed for system monitoring applications. This device features a digitally programmable window comparator with an interrupt output, enabling automatic system monitoring without host interaction. The MAX1364EUB+T integrates an internal voltage reference, a clock, and a high-speed, I²C-compatible, 2-wire serial interface, making it versatile for various monitoring tasks.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | 4.5 | 5.5 | V | ||
| Internal Reference Voltage | 4.096 | V | |||
| Conversion Rate (Normal Mode) | 94.4 | ksps | |||
| Conversion Rate (Monitor Mode) | 133 | ksps | |||
| Supply Current (Monitor Mode, 133ksps) | 436 | µA | |||
| Supply Current (Normal Mode, 94.4ksps) | 670 | µA | |||
| Track/Hold Acquisition Time | 800 | ns | |||
| Aperture Delay (External Clock, High-Speed Mode) | 30 | ns | |||
| Input Voltage Range (Single-Ended and Differential) | -VREF / 2 | VREF | V | ||
| Interrupt Output Low Voltage (ISINK = 3mA) | 0.4 | V | |||
| Interrupt Output Leakage Current (No faults detected) | ±10 | µA | |||
| Output Capacitance | 15 | pF |
Key Features
- Digitally programmable window comparator with interrupt output for automatic system monitoring.
- Monitor mode with programmable trip thresholds and SMBus alert response.
- Internal voltage reference (4.096V for MAX1364) or external reference option.
- High-speed, I²C-compatible, 2-wire serial interface.
- Single-ended or fully differential input operation, with unipolar or bipolar input ranges.
- Two scan modes utilizing on-chip RAM for efficient channel scanning.
- AutoShutdown™ feature to power down the device between conversions, reducing supply current to less than 1µA when idle.
- Operation from a single 4.5V to 5.5V supply voltage.
- Extended temperature range operation from -40°C to +85°C.
- Available in a 10-pin µMAX® package.
Applications
- System monitoring in industrial and automotive systems.
- Power supply monitoring and control.
- Environmental monitoring systems.
- Medical devices requiring precise analog-to-digital conversion.
- Aerospace and defense applications where reliable monitoring is critical.
Q & A
- What is the primary function of the MAX1364EUB+T?
The MAX1364EUB+T is a 12-bit, 4-channel analog-to-digital converter designed for system monitoring applications, featuring a digitally programmable window comparator and SMBus alert response.
- What are the supply voltage ranges for the MAX1364EUB+T?
The MAX1364EUB+T operates from a single supply voltage of 4.5V to 5.5V.
- What is the maximum conversion rate of the MAX1364EUB+T in normal mode?
The maximum conversion rate in normal mode is 94.4 ksps.
- How does the monitor mode work in the MAX1364EUB+T?
In monitor mode, the device automatically asserts an interrupt when any analog input exceeds the programmed upper or lower thresholds without host interaction.
- What is the purpose of the SMBus alert response in the MAX1364EUB+T?
The SMBus alert response allows for quick identification of the alarming device on a shared interrupt line.
- What are the input voltage ranges for the MAX1364EUB+T?
The input voltage range can be single-ended or differential, with a range determined by the internal or external reference voltage.
- How does the AutoShutdown™ feature work?
The AutoShutdown™ feature powers down the device between conversions, reducing the supply current to less than 1µA when idle.
- What package type is the MAX1364EUB+T available in?
The MAX1364EUB+T is available in a 10-pin µMAX® package.
- What is the operating temperature range of the MAX1364EUB+T?
The device operates over an extended temperature range from -40°C to +85°C.
- Can the MAX1364EUB+T be used in both single-ended and differential input configurations?
Yes, each of the four analog inputs can be configured for single-ended or fully differential operation.
