Overview
The ADM1069ASTZ-REEL, produced by Analog Devices Inc., is a highly configurable supervisory and sequencing device known as the Super Sequencer®. This integrated circuit offers a comprehensive solution for supply monitoring and sequencing in multiple supply systems. It integrates a 12-bit analog-to-digital converter (ADC), four 8-bit voltage output digital-to-analog converters (DACs), and a closed-loop margining system. The device is designed to supervise and sequence up to eight supply voltages, making it ideal for complex power management applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Input Reference Voltage (VREFIN) | - | 2.048 | - | V | - |
| ADC Resolution | - | - | 12 Bits | - | Endpoint corrected, VREFIN = 2.048 V |
| ADC Conversion Time | 0.44 ms | - | 84 ms | - | One conversion on one channel, All eight channels selected, averaging enabled |
| Output Impedance (High Voltage Mode) | 500 kΩ | - | - | - | IOH = 0 µA |
| Output Voltage (High Voltage Mode) | 10.5 V | 12 V | 13.5 V | - | IOH = 1 µA, 2 V < VOH < 7 V |
| Operating Temperature | -40°C | - | 85°C | - | - |
| Package Type | - | - | - | - | 32-LQFP (7x7) |
| Mounting Type | - | - | - | - | Surface Mount |
| Number of Voltages Monitored | - | - | 8 | - | - |
| Voltage Threshold Combinations | - | - | 8 Selectable | - | - |
Key Features
- Configurable supervisory and sequencing device for multiple supply systems.
- Integrates a 12-bit analog-to-digital converter (ADC) and four 8-bit voltage output digital-to-analog converters (DACs).
- Closed-loop margining system for precise voltage control.
- Up to eight highly programmable supply fault detectors (SFDs) with threshold voltages ranging from 0.573 V to 14.4 V.
- Dual-function inputs: can be used as SFDs or CMOS-/TTL-compatible logic inputs.
- Programmable driver outputs capable of driving the gates of N-FETs.
- High voltage (charge pump) mode and standard (digital output) mode for output drivers.
- RoHS compliant and lead-free packaging.
Applications
- Central office systems.
- Servers and routers.
- Multivoltage system line cards.
- DSP/FPGA supply sequencing.
- In-circuit testing of margined supplies.
Q & A
- What is the primary function of the ADM1069ASTZ-REEL?
The primary function is to provide a configurable supervisory and sequencing solution for multiple supply systems.
- How many supply voltages can the ADM1069ASTZ-REEL monitor?
It can monitor up to eight supply voltages.
- What is the resolution of the ADC in the ADM1069ASTZ-REEL?
The ADC has a resolution of 12 bits.
- What are the operating temperature ranges for the ADM1069ASTZ-REEL?
The operating temperature range is from -40°C to 85°C.
- What types of output modes are available for the driver outputs?
The driver outputs can operate in high voltage (charge pump) mode and standard (digital output) mode.
- Is the ADM1069ASTZ-REEL RoHS compliant?
Yes, it is RoHS compliant and lead-free.
- What is the package type of the ADM1069ASTZ-REEL?
The package type is 32-LQFP (7x7).
- Can the inputs of the ADM1069ASTZ-REEL be used as both analog and digital inputs?
No, if an input is used as an analog input, it cannot be used as a digital input.
- What is the purpose of the closed-loop margining system in the ADM1069ASTZ-REEL?
The closed-loop margining system is used for precise voltage control and margining of supply voltages.
- In which applications is the ADM1069ASTZ-REEL commonly used?
It is commonly used in central office systems, servers, routers, multivoltage system line cards, DSP/FPGA supply sequencing, and in-circuit testing of margined supplies.
