Overview
The ADM1166ASUZ-REEL7, produced by Analog Devices Inc., is a highly configurable supervisory and sequencing device designed for supply monitoring and sequencing in multiple-supply systems. This device integrates a range of functionalities, including a 12-bit analog-to-digital converter (ADC), six 8-bit voltage output digital-to-analog converters (DACs), and up to 10 programmable inputs for monitoring supply voltages. It offers a comprehensive solution for power system management, enabling precise control and monitoring of supply voltages.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Input Voltage Range | 3V | 14.4V | V | ||
| ADC Signal Range | 0 | VREFIN | V | VREFIN = 2.048 V | |
| ADC Resolution | 12 Bits | Endpoint corrected, VREFIN = 2.048 V | |||
| ADC Gain Error | ±0.05 % | % | VREFIN = 2.048 V | ||
| ADC Conversion Time | 0.44 ms | 84 ms | ms | One conversion on one channel, 16× averaging enabled on all 12 channels | |
| DAC Resolution | 8 Bits | ||||
| Input Impedance (AUX1, AUX2) | 1 MΩ | Ω |
Key Features
- Configurable supervisory and sequencing capabilities for multiple-supply systems.
- 12-bit ADC with a signal range of 0 to VREFIN (2.048 V) and high accuracy (±0.05% gain error).
- Six 8-bit voltage output DACs for implementing closed-loop margining systems.
- Up to 10 programmable inputs for monitoring undervoltage, overvoltage, and out-of-window faults on supply voltages ranging from 0.573 V to 14.4 V.
- Support for SMBus protocols for RAM and EEPROM operations.
- Internal EEPROM for storing configuration data.
- Dynamic supply margining for in-circuit testing and real-time voltage control.
Applications
- Power supply monitoring and sequencing in complex systems.
- Digital power system management.
- Hot swap controllers and power-over-Ethernet (PoE) interface controllers.
- Sequencers, trackers, and margining controllers in high-reliability systems.
- Supervisory circuits for ensuring system integrity.
- Cable drop compensation and current limit switches.
Q & A
- What is the primary function of the ADM1166ASUZ-REEL7?
The primary function is to provide a configurable supervisory and sequencing solution for supply monitoring and sequencing in multiple-supply systems. - What is the resolution of the ADC in the ADM1166ASUZ-REEL7?
The ADC has a resolution of 12 bits. - How many DACs are integrated into the ADM1166ASUZ-REEL7, and what is their resolution?
The device includes six 8-bit voltage output DACs. - What is the input voltage range for the supply fault detectors in the ADM1166ASUZ-REEL7?
The input voltage range for the supply fault detectors is from 0.573 V to 14.4 V. - Can the ADM1166ASUZ-REEL7 be used for dynamic supply margining?
Yes, it can be used for dynamic supply margining to control the output voltage of a dc-to-dc converter in real-time. - What communication protocol does the ADM1166ASUZ-REEL7 support?
The device supports SMBus protocols for RAM and EEPROM operations. - How many programmable inputs are available on the ADM1166ASUZ-REEL7?
Up to 10 programmable inputs are available for monitoring supply voltages. - What types of faults can the ADM1166ASUZ-REEL7 detect on supply voltages?
The device can detect undervoltage, overvoltage, and out-of-window faults on supply voltages. - Is the ADM1166ASUZ-REEL7 suitable for high-reliability systems?
Yes, it is suitable for high-reliability systems due to its robust supervisory and sequencing capabilities. - Where can the configuration data for the ADM1166ASUZ-REEL7 be stored?
The configuration data can be stored in the internal EEPROM.
