ADM1066ASUZ-REEL7 Analog Devices Inc, ADM1066ASUZ-REEL7 Datasheet
ADM1066ASUZ-REEL7
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ADM1066ASUZ-REEL7 Summary of contents
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FEATURES Complete supervisory and sequencing solution for supplies 10 supply fault detectors enable supervision of supplies to <0.5% accuracy at all voltages at 25°C <1.0% accuracy across all voltages and temperatures 5 selectable input attenuators allow supervision ...
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ADM1066 TABLE OF CONTENTS Features .............................................................................................. 1 Functional Block Diagram .............................................................. 1 Applications ....................................................................................... 1 General Description ......................................................................... 1 Revision History ............................................................................... 3 Detailed Block Diagram .................................................................. 4 Specifications ..................................................................................... 5 Absolute Maximum Ratings ............................................................ 8 Thermal Resistance ...................................................................... 8 ...
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REVISION HISTORY 5/08—Rev Rev. D Changes to Powering the ADM1066 Section .............................. 14 Changes to Table 5 .......................................................................... 15 Changes to Default Output Configuration Section .................... 17 Changes to Sequence Detector Section ........................................ 19 Changes to Configuration Download ...
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ADM1066 The device also provides programmable inputs for moni- toring undervoltage faults, overvoltage faults, or out-of-window faults supplies. In addition, 10 programmable outputs can be used as logic enables. Six of these programmable ...
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SPECIFICATIONS 3 14 VPx = 3 6.0 V Table 1. Parameter Min POWER SUPPLY ARBITRATION VH, VPx 3.0 VPx VH VDDCAP 2 VDDCAP POWER SUPPLY Supply Current ...
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ADM1066 Parameter Min Conversion Time Offset Error Input Noise AUX1, AUX2 Input Impedance 1 BUFFERED VOLTAGE OUTPUT DACs Resolution Code 0x7F Output Voltage Range 1 0.592 Range 2 0.796 Range 3 0.996 Range 4 1.246 Output Voltage Range LSB Step ...
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Parameter Min DIGITAL INPUTS (VXx, A0, A1) Input High Voltage, V 2.0 IH Input Low Voltage Input High Current, I −1 IH Input Low Current Input Capacitance Programmable Pull-Down Current, I PULL-DOWN SERIAL BUS DIGITAL INPUTS ...
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ADM1066 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Voltage on VH Pin Voltage on VPx Pins Voltage on VXx Pins Voltage on AUX1, AUX2 Pins Voltage on A0, A1 Pins Voltage on REFIN, REFOUT Pins Voltage on VDDCAP, VCCP Pins Voltage ...
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PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS VX1 1 PIN 1 VX2 2 INDICATOR VX3 3 VX4 4 ADM1066 VX5 5 TOP VIEW VP1 6 (Not to Scale) VP2 7 VP3 8 VP4 9 ...
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ADM1066 Pin No. 1 LFCSP TQFP Mnemonic 39 46 VDDCAP GND 1 The LFCSP has an exposed pad on the bottom. This pad connect (NC). If possible, this pad should be soldered to the ...
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TYPICAL PERFORMANCE CHARACTERISTICS (V) VP1 Figure 5. V vs. V VDDCAP (V) VH Figure 6. ...
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ADM1066 2.5 5.0 7.5 I (µA) LOAD Figure 11. Charge-Pumped V (FET Drive Mode) vs. I PDO1 5.0 4.5 4.0 3.5 3.0 2.5 VP1 = 3V 2.0 1.5 1.0 0.5 0 ...
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CH1 200mV M1.00µs CH1 756mV Figure 17. Transient Response of DAC Code Change into Typical Load 1 CH1 200mV M1.00µs CH1 Figure 18. Transient Response of DAC to Turn-On from High-Z State DAC 20kΩ BUFFER PROBE OUTPUT 47pF POINT ...
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ADM1066 POWERING THE ADM1066 The ADM1066 is powered from the highest voltage input on either the positive-only supply inputs (VPx) or the high voltage supply input (VH). This technique offers improved redundancy because the device is not dependent on any ...
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INPUTS SUPPLY SUPERVISION The ADM1066 has 10 programmable inputs. Five of these are dedicated supply fault detectors (SFDs). These dedicated inputs are called VH and VPx (VP1 to VP4) by default. The other five inputs are labeled VXx (VX1 to ...
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ADM1066 The hysteresis value is given × N /255 HYST R THRESH where the desired hysteresis voltage. HYST N is the decimal value of the 5-bit hysteresis code. THRESH Note that N has a ...
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OUTPUTS SUPPLY SEQUENCING THROUGH CONFIGURABLE OUTPUT DRIVERS Supply sequencing is achieved with the ADM1066 using the programmable driver outputs (PDOs) on the device as control signals for supplies. The output drivers can be used as logic enables or as FET ...
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ADM1066 SEQUENCING ENGINE OVERVIEW The ADM1066 sequencing engine (SE) provides the user with powerful and flexible control of sequencing. The SE implements state machine control of the PDO outputs, with state changes conditional on input events. SE programs can enable ...
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SEQUENCING ENGINE APPLICATION EXAMPLE The application in this section demonstrates the operation of the SE. Figure 28 shows how the simple building block of a single SE state can be used to build a power-up sequence for a three- supply ...
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ADM1066 Monitoring Fault Detector The monitoring fault detector block is used to detect a failure on an input. The logical function implementing this is a wide OR gate that can detect when an input deviates from its expected condition. The ...
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VOLTAGE READBACK The ADM1066 has an on-board, 12-bit accurate ADC for voltage readback over the SMBus. The ADC has a 12-channel analog mux on the front end. The 12 channels consist of the 10 SFD inputs (VH, VPx, and VXx) ...
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ADM1066 SUPPLY MARGINING OVERVIEW It is often necessary for the system designer to adjust supplies, either to optimize their level or force them away from nominal values to characterize the system performance under these condi- tions. This is a function ...
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VIN DC-TO-DC CONVERTER OUTPUT FEEDBACK WRITING TO THE DACs Four DAC ranges are offered. They can be placed with midcode (Code 0x7F) at 0.6 V, 0.8 V, 1.0 V, and 1.25 V. These voltages are placed to correspond to the ...
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ADM1066 APPLICATIONS DIAGRAM 12V OUT 3V OUT 3.3V OUT 2.5V OUT 1.8V OUT 1.2V OUT 0.9V OUT POWRON RESET *ONLY ONE MARGINING CIRCUIT SHOWN FOR CLARITY. DAC1 TO DAC6 ALLOW MARGINING FOR UP TO ...
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COMMUNICATING WITH THE ADM1066 CONFIGURATION DOWNLOAD AT POWER-UP The configuration of the ADM1066 (undervoltage/overvoltage thresholds, glitch filter timeouts, PDO configurations, and so on) is dictated by the contents of the RAM. The RAM comprises digital latches that are local to ...
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ADM1066 POWER-UP (V > 2.5V) CC EEPROM UPDATING THE SEQUENCING ENGINE Sequencing engine (SE) functions are not updated in the same way as regular configuration latches. The SE has its own dedicated 512-byte nonvolatile, electrically erasable, programmable, read- only memory ...
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The device also has several identification registers (read-only) that can be read across the SMBus. Table 12 lists these registers with their values and functions. Table 12. Identification Register Values and Functions Name Address Value Function MANID 0xF4 0x41 Manufacturer ...
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ADM1066 1 SCL SDA START BY MASTER SLAVE ADDRESS 1 SCL (CONTINUED) SDA D7 D6 (CONTINUED SCL t HD; STA SDA t BUF P S SMBus PROTOCOLS FOR RAM AND EEPROM The ADM1066 contains ...
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The master sends a command code telling the slave device to erase the page. The ADM1066 command code for a page erasure is 0xFE (1111 1110). Note that for a page erasure to take place, the page address must be ...
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ADM1066 Unlike some EEPROM devices that limit block writes to within a page boundary, there is no limitation on the start address when performing a block write to EEPROM, except when • There must be at least N locations from ...
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... ADM1066ASU −40°C to +85°C ADM1066ASU-REEL −40°C to +85°C ADM1066ASU-REEL7 −40°C to +85°C 1 ADM1066ASUZ −40°C to +85°C 1 ADM1066ASUZ-REEL −40°C to +85°C 1 ADM1066ASUZ-REEL7 −40°C to +85°C 1 EVAL-ADM1066LFEBZ 1 EVAL-ADM1066TQEBZ RoHS Compliant Part. 6.00 BSC SQ 0.60 MAX 0.50 TOP BSC 5 ...
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ADM1066 NOTES ©2004–2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D04609-0-5/08(D) Rev Page ...