Overview
The ADM1066ACPZ-REEL, produced by Analog Devices Inc., is a 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 various functionalities, including supply fault detection, a 12-bit ADC, and six 8-bit voltage output DACs, making it a versatile tool for managing and adjusting power supplies in complex systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| VH, VPx Supply Voltage | 3.0 V | - | 14.4 V (VH), 6.0 V (VPx) | V | Minimum and maximum supply voltages |
| VDDCAP Regulated LDO Output | 2.7 V | 4.75 V | 5.4 V | V | Regulated output voltage |
| Supply Current (IVH, IVPx) | 4.2 mA | 6 mA | - | mA | VDDCAP = 4.75 V, PDO1 to PDO10 off, DACs off, ADC off |
| ADC Resolution | - | - | - | 12 Bits | Resolution of the analog-to-digital converter |
| ADC Conversion Time | - | 0.44 ms | - | ms | One conversion on one channel |
| DAC Resolution | - | - | - | 8 Bits | Resolution of the digital-to-analog converters |
| DAC Output Voltage Range | 0.592 V | 0.6 V to 1.25 V | 1.253 V | V | Output voltage ranges for the DACs |
Key Features
- Complete supervisory and sequencing solution for up to 10 supplies.
- 10 supply fault detectors with accuracy of <0.5% at 25°C and <1.0% across all voltages and temperatures.
- 5 selectable input attenuators for supervising supplies up to 14.4 V on VH and 6 V on VP1 to VP4.
- 5 dual-function inputs (VX1 to VX5) that can be used as high impedance inputs to supply fault detectors or general-purpose logic inputs.
- 10 programmable driver outputs (PDO1 to PDO10) with open-collector or push/pull configurations.
- Integrated 12-bit ADC and six 8-bit voltage output DACs for implementing a closed-loop margining system.
- Minimum external components required for supply margining and in-circuit testing.
Applications
- Servers and routers.
- Multivoltage system line cards.
- DSP/FPGA supply sequencing.
- In-circuit testing of margined supplies during production.
Q & A
- What is the primary function of the ADM1066? The ADM1066 is a configurable supervisory and sequencing device designed for supply monitoring and sequencing in multiple-supply systems.
- How many supply fault detectors does the ADM1066 have? The ADM1066 has 10 supply fault detectors.
- What is the accuracy of the supply fault detectors? The accuracy is <0.5% at 25°C and <1.0% across all voltages and temperatures.
- What are the input voltage ranges for VH and VPx? VH can range from 3.0 V to 14.4 V, and VPx can range from 3.0 V to 6.0 V.
- How many DACs does the ADM1066 have, and what is their resolution? The ADM1066 has six 8-bit voltage output DACs.
- What is the resolution of the ADC in the ADM1066? The ADC has a resolution of 12 bits.
- What are some common applications of the ADM1066? Common applications include servers, routers, multivoltage system line cards, DSP/FPGA supply sequencing, and in-circuit testing of margined supplies.
- How many programmable driver outputs does the ADM1066 have? The ADM1066 has 10 programmable driver outputs (PDO1 to PDO10).
- Can the ADM1066 be used for in-circuit testing? Yes, the ADM1066 can be used for in-circuit testing of margined supplies during production.
- What is the typical supply current of the ADM1066? The typical supply current is 6 mA when VDDCAP = 4.75 V, with PDO1 to PDO10 off, DACs off, and ADC off.
