Overview
The ADM1069ASTZ, produced by Analog Devices Inc., is a highly configurable supervisory and sequencing device known as the Super Sequencer®. This integrated circuit provides 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 particularly useful in complex power management scenarios, offering flexibility and precision in supervising and sequencing various supply voltages.
Key Specifications
Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
---|---|---|---|---|---|
Power-supply voltage | 3 | 6 | V | ||
Reset threshold voltage | 8 Selectable Threshold Combinations | ||||
ADC Resolution | Bits | 12 Bits | |||
ADC Input Range | 0 | VREFIN | V | VREFIN = 2.048 V | |
ADC Conversion Time | 0.44 | 84 | ms | One conversion on one channel, All eight channels selected, averaging enabled | |
Output Configuration | Programmable | ||||
Package | 32-LQFP | ||||
Operating Temperature Range | -40 | 85 | °C | ||
Supply Current | 6000 | µA |
Key Features
- Configurable Supervisory and Sequencing: The ADM1069ASTZ allows for the supervision and sequencing of up to eight supply voltages, with highly programmable reset generators and supply fault detectors (SFDs).
- Integrated ADC and DACs: Includes a 12-bit ADC and four 8-bit DACs, enabling precise monitoring and control of supply voltages.
- Closed-Loop Margining System: Supports margining control for adjusting the output voltages of power supplies, ensuring optimal performance and reliability.
- Programmable Output Drivers: The device features programmable output drivers capable of driving the gates of N-FETs, with both high voltage (charge pump) and standard (digital output) modes.
- Dual-Function Inputs: Inputs can be configured as either SFDs or CMOS-/TTL-compatible logic inputs, providing flexibility in system design).
Applications
- Central Office Systems: Suitable for use in telecommunications and network infrastructure).
- Servers and Routers: Ideal for power management in server and router systems).
- Multivoltage System Line Cards: Used in various line cards requiring multiple supply voltages).
- DSP/FPGA Supply Sequencing: Essential for sequencing power supplies in digital signal processing and field-programmable gate array (FPGA) systems).
- In-Circuit Testing of Margined Supplies: Useful for testing and validating power supplies in various configurations).
Q & A
- What is the primary function of the ADM1069ASTZ?
The primary function of the ADM1069ASTZ is to provide configurable supervisory and sequencing capabilities for multiple supply voltages in complex power management systems.
- What types of converters are integrated into the ADM1069ASTZ?
The device integrates a 12-bit analog-to-digital converter (ADC) and four 8-bit digital-to-analog converters (DACs).
- What is the operating temperature range of the ADM1069ASTZ?
The operating temperature range is from -40°C to 85°C.
- What is the package type of the ADM1069ASTZ?
The package type is 32-LQFP (Lead Quad Flat Package).
- Can the input pins 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. The device can have up to eight analog inputs or a combination of analog and digital inputs, but not both on the same pin.
- What is the supply current of the ADM1069ASTZ?
The supply current is up to 6000 µA.
- What are the typical applications of the ADM1069ASTZ?
Typical applications include central office systems, servers, routers, multivoltage system line cards, DSP/FPGA supply sequencing, and in-circuit testing of margined supplies.
- Does the ADM1069ASTZ support margining control?
Yes, it supports a closed-loop margining system for adjusting the output voltages of power supplies.
- How many supply voltages can the ADM1069ASTZ supervise and sequence?
The device can supervise and sequence up to eight supply voltages.
- Is the ADM1069ASTZ RoHS compliant?
Yes, the ADM1069ASTZ is RoHS compliant.