Overview
The ADM1166ASUZ-REEL, produced by Analog Devices Inc., is a highly configurable supervisory and sequencing device. It offers a single-chip solution for supply monitoring and sequencing in multiple-supply systems. This device integrates a 12-bit analog-to-digital converter (ADC) and six 8-bit voltage output digital-to-analog converters (DACs), enabling closed-loop margining systems for supply adjustment. The ADM1166 is designed to monitor and control supply voltages, making it an essential component in complex power management systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Input Voltage Range | 3V | 14.4V | V | ||
| Operating Temperature | -40°C | 85°C | °C | ||
| ADC Signal Range | 0 | VREFIN | V | Dependent on selected range | |
| ADC Input Reference Voltage (VREFIN) | 2.048 V | V | |||
| ADC Resolution | 12 Bits | Endpoint corrected, VREFIN = 2.048 V | |||
| ADC Conversion Time | 0.44 ms | 84 ms | ms | One conversion on one channel, all 12 channels selected with 16× averaging enabled | |
| Package/Case | 48-TQFP | Surface Mount |
Key Features
- Configurable Supervisory and Sequencing: The ADM1166 allows for the monitoring and sequencing of up to 10 supply voltages, detecting undervoltage, overvoltage, and out-of-window faults.
- Integrated ADC and DACs: Includes a 12-bit ADC and six 8-bit voltage output DACs, facilitating closed-loop margining systems for dynamic supply adjustment.
- Programmable Inputs: Up to 10 programmable inputs can be used as either analog or digital inputs, providing flexibility in system design.
- Nonvolatile Fault Recording: The device includes EEPROM for storing fault records, ensuring that critical system events are logged even in the event of a power failure.
- SMBus Interface: Supports SMBus protocols for communication with other system components, enabling easy integration into complex systems.
Applications
- Multi-Supply Systems: Ideal for systems requiring the monitoring and sequencing of multiple power supplies, such as in data centers, telecommunications equipment, and industrial control systems.
- Power Management Systems: Used in systems that require dynamic voltage adjustment and fault detection, such as in high-reliability power supplies and power distribution units.
- Production Testing: Useful for in-circuit testing during production to verify board functionality at various supply voltage levels.
Q & A
- What is the primary function of the ADM1166?
The ADM1166 is a configurable supervisory and sequencing device designed for supply monitoring and sequencing in multiple-supply systems.
- What types of faults can the ADM1166 detect?
The ADM1166 can detect undervoltage, overvoltage, and out-of-window faults on up to 10 supply voltages.
- What is the resolution of the ADC in the ADM1166?
The ADC in the ADM1166 has a resolution of 12 bits.
- How many DACs are integrated into the ADM1166?
The ADM1166 includes six 8-bit voltage output DACs.
- What is the operating temperature range of the ADM1166?
The operating temperature range is from -40°C to 85°C.
- What type of package does the ADM1166ASUZ-REEL come in?
The ADM1166ASUZ-REEL comes in a 48-TQFP surface mount package.
- Does the ADM1166 support SMBus communication?
Yes, the ADM1166 supports SMBus protocols for communication with other system components.
- What is the purpose of the EEPROM in the ADM1166?
The EEPROM is used for nonvolatile fault recording, ensuring that critical system events are logged even in the event of a power failure.
- Can the inputs of the ADM1166 be configured as both analog and digital inputs?
Yes, the inputs can be configured as either analog or digital inputs, but not both simultaneously for the same input.
- What are some common applications of the ADM1166?
The ADM1166 is commonly used in multi-supply systems, power management systems, and for production testing.
