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MAX914

更新时间： 2024-11-22 22:55:07
品牌 Logo 应用领域
美信 - MAXIM 比较器
页数 文件大小 规格书
12页 326K
描述
40ns, Low-Power, 3V/5V, Rail-to-Rail Single-Supply Comparators

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MAX914 数据手册

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19-2064; Rev 0; 6/01  
40ns, Low-Power, 3V/5V, Rail-to-Rail  
Single-Supply Comparators  
General Description  
Features  
ꢀ Fast, 40ns Propagation Delay (10mV Overdrive)  
The MAX9140/MAX9141 are single and the MAX9142/  
MAX9144 are dual/quad high-speed comparators opti-  
mized for systems powered from a 3V or 5V supply. The  
MAX9141 features latch enable and device shutdown.  
These devices combine high speed, low power, and  
Rail-to-Rail® inputs. Propagation delay is 40ns, while  
supply current is only 150µA per comparator.  
ꢀ Low Power:  
0.45mW Power Dissipation Per Comparator (3V)  
150µA Supply Current  
ꢀ Optimized for 3V and 5V Applications  
(Operation Down to 2.7V)  
The input common-mode range of the MAX9140/  
MAX9141/MAX9142/MAX9144 extends beyond both  
power-supply rails. The outputs pull to within 0.3V of  
either supply rail without external pullup circuitry, mak-  
ing these devices ideal for interface with both CMOS  
and TTL logic. All input and output pins can tolerate a  
continuous short-circuit fault condition to either rail.  
Internal hysteresis ensures clean output switching, even  
with slow-moving input signals.  
ꢀ Rail-to-Rail Input Voltage Range  
ꢀ Low, 500µV Offset Voltage  
ꢀ Internal Hysteresis for Clean Switching  
ꢀ Outputs Swing 300mV of Power Rails  
ꢀ CMOS/TTL-Compatible Outputs  
ꢀ Output Latch (MAX9141 only)  
ꢀ Shutdown Function (MAX9141 only)  
ꢀ Available in SC70 and SOT23 Packages  
The MAX9140/MAX9141/MAX9142/MAX9144 are high-  
er-speed, lower-power, and lower-cost upgrades to  
industry-standard comparators MAX941/MAX942/  
MAX944.  
Ordering Information  
The MAX9140 are offered in tiny 5-pin SC70 and SOT23  
packages. The MAX9141 and MAX9142 are available in  
8-pin SOT23 and SO packages, while the MAX9144 is  
available in both 14-pin SO and TSSOP packages.  
TEMP.  
RANGE  
PIN-  
PACKAGE  
TOP  
MARK  
PART  
MAX9140EXK-T -40°C to +85°C  
MAX9140EUK-T -40°C to +85°C  
MAX9141EKA-T -40°C to +85°C  
5 SC70-5  
5 SOT23-5  
8 SOT23-8  
8 SO  
ACC  
ADQP  
AAFD  
—
Applications  
Line Receivers  
MAX9141ESA  
-40°C to +85°C  
Battery-Powered Systems  
Threshold Detectors/Discriminators  
3V/5V Systems  
MAX9142EKA-T -40°C to +85°C  
8 SOT23-8  
8 SO  
AAFE  
—
MAX9142ESA  
MAX9144EUD  
MAX9144ESD  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
14 TSSOP  
14 SO  
—
—
Zero-Crossing Detectors  
Sampling Circuits  
Pin Configurations  
TOP VIEW  
OUTA  
INA-  
OUTD  
IND-  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
MAX9140  
OUT  
GND  
IN+  
1
2
3
5
4
V
CC  
MAX9141  
V
1
2
3
4
1
2
3
4
MAX9142  
8
7
6
5
N.C.  
OUT  
8
7
6
5
V
CC  
OUTA  
INA-  
A
B
D
C
CC  
+
+
INA  
IND  
+
IN  
OUTB  
INB-  
A
GND  
V
CC  
MAX9144  
IN-  
SHDN  
LE  
+
INA  
+
+
INB  
INB-  
OUTB  
B
INC  
GND  
+
INB  
GND  
IN-  
INC-  
SOT23/SO  
SOT23/SO  
OUTC  
8
SC70/SOT23  
TSSOP/SO  
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.  
________________________________________________________________Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
1234567...12

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