Overview
The ADM1169ASTZ-RL7, 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, part of the Super Sequencer® family, integrates a range of functionalities including a 12-bit SAR ADC, four 8-bit voltage output DACs, and a nonvolatile EEPROM for storing user-defined information and fault records. The ADM1169 is controlled via configuration data programmed into the EEPROM, which can be done using an intuitive GUI-based software package provided by Analog Devices.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Input Voltage Range (VXx Pins) | 0.573 | - | 1.375 | V | Ultralow Range, No input attenuation error |
| ADC Signal Range | 0 | - | VREFIN | V | Signals presented to VH, VPx, and VXx pins |
| ADC Resolution | - | - | 12-bit | - | SAR ADC |
| DAC Output Voltage Range | 0.60125 | - | 1.003 | V | Same range, independent of center point |
| Programmable Driver Output (High Voltage Mode) | 10.5 | 12 | 13.5 | V | VOH, IOH = 1 μA |
| Reference Output Voltage | 2.043 | 2.048 | 2.053 | V | No load |
| Package Type | - | - | 32-LQFP | - |
Key Features
- Configurable Supervisory and Sequencing: The ADM1169 offers flexible sequencing of outputs based on input conditions, with up to 63 different states possible through its state machine-based construction.
- Integrated ADC and DACs: Includes a 12-bit SAR ADC and four 8-bit voltage output DACs, enabling closed-loop margining and supply adjustment.
- Nonvolatile EEPROM: Stores user-defined information and fault records, allowing for detailed fault tracking and configuration storage.
- Programmable Driver Outputs: High voltage mode capable of driving NFET gates, and standard digital output mode for versatile application.
- GUI-Based Configuration Software: Configuration data can be programmed using an intuitive software package provided by Analog Devices.
Applications
- Supply Monitoring and Sequencing: Ideal for multiple supply systems requiring precise sequencing and monitoring.
- In-Circuit Testing: Used during production to verify board functionality at various supply levels.
- Dynamically Controlled DC-DC Converters: Accurately controls the output voltage of DC-DC converters in real-time applications).
Q & A
- What is the primary function of the ADM1169?
The primary function of the ADM1169 is to provide a configurable supervisory and sequencing solution for supply monitoring and sequencing in multiple supply systems.
- What types of ADC and DACs are integrated into the ADM1169?
The ADM1169 integrates a 12-bit SAR ADC and four 8-bit voltage output DACs.
- How is the configuration data programmed into the ADM1169?
The configuration data is programmed into the nonvolatile EEPROM using an intuitive GUI-based software package provided by Analog Devices.
- What is the range of the input voltage for the VXx pins in ultralow range?
The input voltage range for the VXx pins in ultralow range is from 0.573 V to 1.375 V.
- What is the resolution of the ADC in the ADM1169?
The ADC in the ADM1169 has a resolution of 12 bits.
- What is the package type of the ADM1169ASTZ-RL7?
The package type of the ADM1169ASTZ-RL7 is 32-LQFP.
- Can the ADM1169 be used for in-circuit testing during production?
Yes, the ADM1169 can be used for in-circuit testing during production to verify board functionality at various supply levels.
- How does the ADM1169 control the output voltage of DC-DC converters?
The ADM1169 controls the output voltage of DC-DC converters through its closed-loop margining system using the DAC outputs to adjust the feedback node or reference of the converter.
- What is the purpose of the nonvolatile EEPROM in the ADM1169?
The nonvolatile EEPROM in the ADM1169 is used to store user-defined information and fault records.
- What are the programmable driver output modes of the ADM1169?
The ADM1169 has high voltage mode (capable of driving NFET gates) and standard digital output mode.
