adcmp356 Analog Devices, Inc., adcmp356 Datasheet

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adcmp356

Manufacturer Part Number
adcmp356
Description
Comparator And Reference Circuits
Manufacturer
Analog Devices, Inc.
Datasheet
FEATURES
Comparators with 0.6 V on-chip references
Output stages:
High voltage (up to 22 V) tolerance on V
Low power consumption (10 µA)
10 nA input bias current
15 mV hysteresis
5 µs propagation delay
Specified over −40°C to +125°C temperature range
4-lead SC70 package
APPLICATIONS
Voltage detectors
Microprocessor systems
Computers
Battery monitors
Intelligent instruments
Portable equipment
GENERAL DESCRIPTION
The ADCMP350/ADCMP352/ADCMP354/ADCMP356 parts
are comparator and reference circuits suitable for use in
general-purpose applications. The high voltage input and
output structures will allow voltages of up to 22 V on the input
of all devices and the output of the open-drain devices. High
performance over the −40°C to +125°C temperature range
makes them suitable for use in automotive and other thermally
harsh applications, while low power consumption and space-
efficient SC70 packaging make them ideal for battery-powered
portable equipment.
Table 1. Selection Table
Part No.
ADCMP350
ADCMP352
ADCMP354
ADCMP356
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
Open-drain active-low (ADCMP350)
Push-pull active-low (ADCMP352)
Open-drain active-high (ADCMP354)
Push-pull active-high (ADCMP356)
output pins
Reference Voltage (V)
0.6
0.6
0.6
0.6
IN
and open-drain
ADCMP350/ADCMP352/ADCMP354/ADCMP356
Comparators and Reference Circuits
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.326.8703
Input Connection
Inverting
Inverting
Noninverting
Noninverting
V
V
IN
IN
FUNCTIONAL BLOCK DIAGRAMS
ADCMP354/ADCMP356
ADCMP350/ADCMP352
REF
REF
© 2004 Analog Devices, Inc. All rights reserved.
GND
GND
V
V
CC
CC
Figure 1.
Output
Open Drain
Push-Pull
Open Drain
Push-Pull
OUT (OD/PP)
OUT (OD/PP)
www.analog.com
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adcmp356 Summary of contents

Page 1

... FEATURES Comparators with 0.6 V on-chip references Output stages: Open-drain active-low (ADCMP350) Push-pull active-low (ADCMP352) Open-drain active-high (ADCMP354) Push-pull active-high (ADCMP356) High voltage ( tolerance on V output pins Low power consumption (10 µ input bias current 15 mV hysteresis 5 µs propagation delay Specified over −40°C to +125°C temperature range ...

Page 2

... ADCMP350/ADCMP352/ADCMP354/ADCMP356 TABLE OF CONTENTS Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 Pin Configuration and Function Descriptions............................. 5 Typical Performance Characteristics ............................................. 6 REVISION HISTORY 10/04—Revision 0: Initial Version Applications........................................................................................9 Adding Hysteresis..........................................................................9 Voltage Detector ............................................................................9 Outline Dimensions ....................................................................... 10 Ordering Guide .......................................................................... 10 Rev Page ...

Page 3

... Supply Current V THRESHOLD RISING IN V THRESHOLD FALLING IN INPUT BIAS CURRENT THRESHOLD TEMPERATURE COEFFICIENT V TO OUT DELAY IN OUT VOLTAGE LOW OUT VOLTAGE HIGH OUTPUT RISE TIME OUTPUT FALL TIME OUTPUT LEAKAGE CURRENT ADCMP350/ADCMP352/ADCMP354/ADCMP356 Min Typ Max Unit 2.25 5 µA 0.579 0.6 0.621 V 0 ...

Page 4

... ADCMP350/ADCMP352/ADCMP354/ADCMP356 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 3. Parameter OUT (Open Drain) OUT (Push-Pull) Operating Temperature Range Storage Temperature Range θ Thermal Impedance, SC70 JA Lead Temperature Soldering (10 sec) Vapor Phase (60 sec) Infrared (15 sec) ESD CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection ...

Page 5

... Monitors Analog Input Voltage. Connected to inverting or noninverting input, depending on model number GND Ground. 3 OUT Digital Output. Open-drain or push-pull options, depending on model number Power Supply. CC ADCMP350/ADCMP352/ADCMP354/ADCMP356 ADCMP350/ CC ADCMP352/ ADCMP354/ ADCMP356 2 3 GND OUT Figure 2. Pin Configuration Rev Page ...

Page 6

... ADCMP350/ADCMP352/ADCMP354/ADCMP356 TYPICAL PERFORMANCE CHARACTERISTICS 11.0 10.5 T +25° +85°C 10 +125°C A 9.5 9.0 T –40°C A 8.5 8.0 7.5 7.0 2.25 2.55 2.85 3.15 3.45 3.75 4.05 4.35 4.65 4.95 5.25 V (V) CC Figure 3. I vs. V over Temperature 700 680 660 640 620 V TRIP RISING TRIP 600 V 580 TRIP FALLING TRIP 560 540 520 500 –40 –25 – ...

Page 7

... HYSTERESIS 2.25 2.55 2.85 3.15 3.45 3.75 4.05 4.35 4.65 4.95 5.25 V (V) CC Figure 11. V Trip Hysteresis vs ADCMP350/ADCMP352/ADCMP354/ADCMP356 10000 1000 100 10 1 0.1 5.55 0. Figure 12. Output Voltage vs. Output Sink Current (Isink = 500 mA) IN 120 100 5.55 2.25 2.40 2.70 3.00 3.30 Figure 13. Output Low Voltage vs. Supply Voltage (Isink = 500 mA) ...

Page 8

... ADCMP350/ADCMP352/ADCMP354/ADCMP356 100 2.25 2.40 2.70 3.00 3.30 3.60 3.90 4.20 4.50 4.80 5.20 SUPPLY VOLTAGE (V) Figure 15. Short-Circuit Sink Current vs. Supply Voltage (V = 3.3, PUSH-PULL Only PLH PHL INPUT OVERDRIVE (mV) Figure 16. Propagation Delay vs. Input Overdrive (V 5. 100 110 120 130 = 3.3, PUSH-PULL Only) cc Rev ...

Page 9

... To prevent oscillations at the output caused by noise or slowly moving signals passing the switching threshold, positive feedback can be used to add hysteresis to the noninverting parts (ADCMP354 and ADCMP356). For the noninverting configuration shown in Figure 19, two resistors are used to create different switching thresholds, depending on whether the input signal is increasing or decreasing in magnitude ...

Page 10

... ADCMP350/ADCMP352/ADCMP354/ADCMP356 OUTLINE DIMENSIONS ORDERING GUIDE Model Temperature Range ADCMP350YKS-REEL7 –40°C to +125°C ADCMP352YKS-REEL7 –40°C to +125°C ADCMP354YKS-REEL7 –40°C to +125°C ADCMP356YKS-REEL7 –40°C to +125°C 2.20 1.80 1.35 1. 2.40 1. PIN 1 * 0.50 BSC 0.65 BSC 1.00 1.10 0.80 0.80 0.18 0.10 SEATING 0.10 MAX PLANE 0.70 0.30 0.50 0.15 0.10 COPLANARITY * PACKAGE OUTLINE CORRESPONDS IN FULL TO EIAJ SC82 EXCEPT FOR WIDTH OF PIN-2 AS SHOWN Figure 21 ...

Page 11

... NOTES ADCMP350/ADCMP352/ADCMP354/ADCMP356 Rev Page ...

Page 12

... ADCMP350/ADCMP352/ADCMP354/ADCMP356 NOTES © 2004 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D05112-0-10/04(0) Rev Page ...

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