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MAX9038

更新时间： 2024-11-27 14:57:43
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亚德诺 - ADI 比较器
页数 文件大小 规格书
15页 2122K
描述
微功耗、单电源、UCSP/SOT23封装的比较器 + 精密电压基准IC

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MAX9038 数据手册

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Click here to ask an associate for production status of specific part numbers.  
Micropower, Single-Supply, UCSP/SOT23  
Comparator + Precision Reference ICs  
MAX9038–MAX9043/  
MAX9050–MAX9053  
General Description  
Features  
The MAX9038–MAX9043 and MAX9050–MAX9053 feature  
combinations of low-power comparators and precision  
voltage references. Their operating voltage range makes  
them ideal for both 3V and 5V systems. The MAX9038/  
MAX9039/MAX9040/MAX9041/MAX9050/MAX9051  
have a single comparator and reference consuming  
only 40μA of supply current. The MAX9042/MAX9043/  
MAX9052/MAX9053 have dual comparators and one  
reference, and consume only 55μA of supply current.  
Low-voltage operation and low supply current make these  
devices ideal for battery-operated systems.  
● Comparator + Precision Reference in UCSP/SOT23  
● 2.5V to 5.5V Single-Supply Operation  
(MAX9038–MAX9043)  
● Low Supply Current (MAX9038/MAX9039/MAX9040/  
MAX9041/MAX9050/MAX9051)  
• 40μA Quiescent  
• 50μA with 100kHz Switching  
• Open-Drain Output MAX9038  
● 400ns Propagation Delay  
● Rail-to-Rail Inputs  
● Rail-to-Rail Output Stage Sinks and Sources 8mA  
● Internal ±3mV Hysteresis  
● Voltage Reference Offers  
The comparators feature rail-to-rail inputs and outputs,  
with a common-mode input voltage range that extends  
250mV beyond the supply rails. Input bias current is  
typically 1.0pA, and input offset voltage is typically 0.5mV.  
Internal hysteresis ensures clean output switching, even  
with slow-moving input signals. The output stage features  
a unique design that limits supply current surges while  
switching, virtually eliminating supply glitches typical of  
many other comparators. This design also minimizes  
overall power consumption under dynamic conditions.  
The comparator outputs have railto-rail, push-pull output  
stages except the MAX9038 has an open-drain output  
that sinks and sources up to 8mA. The propagation delay  
is 400ns, even with the low-operating supply current.  
• ±0.4% (max) Initial Accuracy (A Grade)  
• 6ppm/°C (typ) Temperature Coefficient (A Grade)  
• Stable for 0 to 4.7nF Capacitive Loads  
Ordering Information  
PIN-  
TOP  
PART  
TEMP RANGE  
PACKAGE MARK  
MAX9038EBT+  
-40°C to +85°C 6 UCSP  
-40°C to +85°C 6 UCSP  
-40°C to +85°C 6 UCSP  
-40°C to +85°C 6 UCSP  
-40°C to +85°C 5 SOT23  
-40°C to +85°C 5 SOT23  
-40°C to +85°C 6 SOT23  
-40°C to +85°C 6 SOT23  
-40°C to +85°C 8 SO  
ADW  
ADW  
AAZ  
MAX9038EBT+T  
MAX9039BEBT+T  
MAX9039BEBT+T10  
MAX9040AEUK+T  
MAX9040BEUK+T  
MAX9041AEUT+T  
MAX9041BEUT+T  
MAX9041AESA  
AAZ  
ADNV  
ADNX  
AAHF  
AAHH  
—
Thereferenceoutputvoltageissetto1.23VintheMAX9038/  
MAX9039, to 2.048V in the MAX9040–MAX9043, and  
to 2.500V in the MAX9050–MAX9053. The MAX9040–  
MAX9043 and the MAX9050–MAX9053 are offered in two  
grades: an A grade with 0.4% initial accuracy and 6ppm/°C  
tempco, and a B grade with 1% initial accuracy (except  
MAX9038/MAX9039 have an initial accuracy of ±0.4%)  
and 100ppm/°C tempco. The voltage references feature a  
proprietary curvature-correction circuit and laser-trimmed  
thin-film resistors. These series-mode references can sink  
or source up to 500μA of load current.  
MAX9041BESA  
-40°C to +85°C 8 SO  
—
+Denotes lead(Pb)-free/RoHS-compliant package.  
Ordering Information continued at end of data sheet.  
Selector Guide appears at end of data sheet.  
Pin Configurations  
TOP VIEW (BUMPS ON BOTTOM)  
TOP VIEW  
+
B1  
A1  
V
IN+  
EE OUT  
1
2
3
5
4
V
CC  
Applications  
MAX9038  
MAX9039  
MAX9040  
MAX9050  
● Precision Battery  
● Level Translators  
● Digital Line Receivers  
V
B2  
B3  
A2  
A3  
OUT  
IN-  
EE  
Management  
● Window Comparators  
● IR Receivers  
IN+  
REF  
REF  
V
CC  
Typical Operating Circuit and Functional Diagrams appear  
at end of data sheet.  
SOT23  
UCSP  
Pin Configurations continued at end of data sheet.  
UCSP is a trademark of Maxim Integrated Products, Inc.  
19-1569; Rev 13; 10/23  
©
2023 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners.  
One Analog Way, Wilmington, MA 01887 U.S.A. Tel: 781.329.4700 © 2023 Analog Devices, Inc. All rights reserved.  
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