ADCMP671 AD [Analog Devices], ADCMP671 Datasheet
ADCMP671
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ADCMP671 Summary of contents
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... One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 ADCMP671 FUNCTIONAL BLOCK DIAGRAM V DD ADCMP671 PWRGD UV 400mV OV OV GND Figure 1. INH1 INH2 INL1 INL2 RISING INPUT FALLING INPUT TWO TYPICAL PARTS ...
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... ADCMP671 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 7 Thermal Resistance ...................................................................... 7 ESD Caution.................................................................................. 7 Pin Configuration and Function Descriptions............................. 8 REVISION HISTORY 11/11—Revision 0: Initial Version Typical Performance Characteristics ..............................................9 Applications Information .............................................................. 14 Comparators and Internal Reference ...................................... 14 ...
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... Rev Page ADCMP671 Test Conditions/Comments ...
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... ADCMP671 5.5 V, 0°C ≤ T ≤ 70°C, unless otherwise noted Table 2. Parameter 1 THRESHOLDS Rising Input Threshold Voltage (V ) TH(R) Falling Input Threshold Voltage (V ) TH(F) Rising Input Threshold Voltage Accuracy Falling Input Threshold Voltage Accuracy Hysteresis = V − V TH(R) TH(F) INPUT CHARACTERISTICS Input Bias Current OPEN-DRAIN OUTPUTS ...
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... Rev Page ADCMP671 Test Conditions/Comments ...
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... ADCMP671 5.5 V, −40°C ≤ T ≤ +125°C, unless otherwise noted Table 4. Parameter 1 THRESHOLDS Rising Input Threshold Voltage (V ) TH(R) Falling Input Threshold Voltage (V ) TH(F) Rising Input Threshold Voltage Accuracy Falling Input Threshold Voltage Accuracy Hysteresis = V − V TH(R) TH(F) INPUT CHARACTERISTICS Input Bias Current ...
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... JA soldered in a circuit board for surface-mount packages. 300°C 215°C Table 6. Thermal Resistance 220°C Package Type 6-Lead TSOT ESD CAUTION Rev Page ADCMP671 θ Unit JA 200 °C/W ...
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... The other input of the comparator is connected to a 400 mV reference Power Supply Pin Open-Drain Output Active Low Overvoltage Fault Indication Output. It asserts when there is an overvoltage fault, for example, INL high. PWRGD ADCMP671 GND TOP VIEW DD (Not to Scale) INH INL 3 4 Figure 3. Pin Configuration Rev ...
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... TEMPERATURE (°C) Figure 8. Rising Input Threshold Voltage vs. Temperature for Various V Voltages DD 401 T = –40°C A 400 T = +25°C A 399 T = +85°C A 398 397 T = +125°C A 396 395 1.7 2.2 2.7 3.2 3.7 4.2 4.7 SUPPLY VOLTAGE (V) Figure 9. Rising Input Threshold Voltage vs. Supply Voltage ADCMP671 100 120 5.2 5.7 ...
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... ADCMP671 12.0 1NH1 11.5 1NL1 11.0 INH2 10.5 INL2 10.0 9.5 9.0 8.5 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 –40 – TEMPERATURE (°C) Figure 10. Hysteresis vs. Temperature for Four Typical Parts +125° +25° +85° –40° 1.7 2.2 2.7 3.2 3.7 4.2 SUPPLY VOLTAGE (V) Figure 11. Hysteresis vs. Supply Voltage 10 NO LOAD CURRENT ...
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... T = +85° +25° –40°C A 0.1 CURRENT IS GOING INTO THE DEVICE V V 0.01 0.8 1.0 1 Figure 21. High Level Input Bias Current vs. Input Voltage Rev Page ADCMP671 = 25° 0.01 0 OUTPUT SINK CURRENT (mA) A CURRENT IS GOING OUT OF THE DEVICE +125°C ...
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... ADCMP671 1000 T = 25° 1.8V DD 100 10 1 0.001 0.01 0.1 1 OUTPUT SINK CURRENT (mA) Figure 22. Output Saturation Voltage vs. Output Sink Current for T 1000 T = 85° 1.8V DD 100 10 1 0.001 0.01 0.1 1 OUTPUT SINK CURRENT (mA) Figure 23. Output Saturation Voltage vs. Output Sink Current for T ...
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... Figure 32. Output Voltage vs. Supply Voltage with INH High and INL Low 100 1000 0 Figure 33. Output Voltage vs. Supply Voltage with Both INH and INL High Rev Page ADCMP671 OUTPUTS BEING PULLED UP TO VDD WITH 10kΩ INH = LOW INL = LOW PWRGD (V) ...
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... The outputs are open-drain, capable of sinking 40 mA. COMPARATORS AND INTERNAL REFERENCE There are two comparators inside the ADCMP671. The comparator with its noninverting input connected to the INH pin (and its inverting input connected internally to the 400 mV ...
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... This allows the processor to use the input pins to individually monitor N channels of supplies. ADCMP671 Figure 35 . During power Rev Page PWRGD 2.5V GOOD 2.5V ADCMP671 1.8V GOOD OV 1.0V GOOD 0.9V GOOD PWRGD 1.8V ADCMP671 OV OV FAULT PWRGD 1.0V MANAGER ADCMP671 OV PWRGD 0.9V ADCMP671 OV Figure 35. N Rails Monitoring with Processor I/O ADCMP671 BOARD ...
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... OUTLINE DIMENSIONS 1.60 BSC PIN 1 INDICATOR * 0.90 0.87 0.84 0.10 MAX ORDERING GUIDE Model 1 Temperature Range ADCMP671-1YUJZ-RL7 −40°C to +125° RoHS Compliant Part. ©2011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D10160-0-11/11(0) 2.90 BSC 2.80 BSC ...