ADM1184ARMZ Analog Devices Inc, ADM1184ARMZ Datasheet
ADM1184ARMZ
Specifications of ADM1184ARMZ
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ADM1184ARMZ Summary of contents
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FEATURES Powered from 2 5 the VCC pin Monitors 4 supplies via 0.8% accurate comparators 4 inputs can be programmed to monitor different voltage levels with external resistor dividers 3 open-drain enable outputs (OUT1, OUT2, and ...
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ADM1184 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 Thermal Resistance ...................................................................... 4 ESD Caution.................................................................................. 4 REVISION HISTORY 2/08—Revision 0: Initial ...
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SPECIFICATIONS −40°C to +85° Table 1. Parameter VCC Pin Operating Voltage Range Supply Current, I VCC VIN1 to VIN4 (VINx) Pins Input Current, I VINLEAK Input Threshold, ...
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ADM1184 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 2. Parameter VCC Pin VINx Pins OUTx, PWRGD Pins Storage Temperature Range Operating Temperature Range Lead Temperature Soldering (10 sec) Junction Temperature Stresses above those listed under Absolute ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic Description 1 GND Chip Ground Pin. 2 VIN1 Noninverting Input of Comparator 1. The voltage on this pin is compared with a 0.6 V reference. Can be ...
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ADM1184 TYPICAL PERFORMANCE CHARACTERISTICS 0.5 1.0 1.5 2.0 2.5 3.0 SUPPLY VOLTAGE (V) Figure 3. Supply Current vs. Supply Voltage ...
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OVERDRIVE 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 SUPPLY VOLTAGE (V) Figure 9. VINx to Output Falling Delay vs. Supply Voltage 3.3V, 100mV OVERDRIVE CC ...
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ADM1184 100 1mA SINK 100µA SINK 0 1.0 1.5 2.0 2.5 3.0 3.5 SUPPLY VOLTAGE (V) Figure 15. Output Low Voltage vs. Supply Voltage 4.0 4.5 5.0 5.5 Rev ...
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THEORY OF OPERATION The ADM1184 is an integrated, 4-channel voltage-monitoring device 5.5 V power supply is required on the VCC pin to power the device 2.7V TO 5.5V CC 3.3V 2.5V VCC 1.8V ADM1184 ...
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ADM1184 ALL INPUTS, OUT1 OUT2 OUT3 PWRGD V VIN1/VIN2/VIN3 TH VIN4 OUT1/OUT2/OUT3 PWRGD Figure 19. Waveforms Showing Reaction to a Temporary Low Glitch on VIN1, VIN2, VIN3, or VIN4 V TH VINx 30µs 190ms Figure 18. Power-Up Waveforms 30µs 30µs ...
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VOLTAGE MONITORING AND SEQUENCING APPLICATION 3.3V IN 2.5V OUT 1.8V OUT 1.2V OUT Figure 20 depicts an application in which the ADM1184 monitors four separate voltage rails, turns on three regulators in a sequence, and generates a power-good signal to ...
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... ADM1184 OUTLINE DIMENSIONS ORDERING GUIDE Model Temperature Range 1 ADM1184ARMZ −40°C to +85°C 1 ADM1184ARMZ-REEL7 −40°C to +85° RoHS Compliant Part. ©2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. 3.10 3.00 2.90 ...