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MAX4236 PDF预览

MAX4236

更新时间: 2024-11-23 22:35:19
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美信 - MAXIM 运算放大器
页数 文件大小 规格书
14页 456K
描述
SOT23, Very High Precision, 3V/5V Rail-to-Rail Op Amps

MAX4236 数据手册

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19-2110; Rev 0; 8/01  
SOT23, Very High Precision, 3V/5V  
Rail-to-Rail Op Amps  
General Description  
Features  
The MAX4236/MAX4237 are high-precision op amps  
that feature an exceptionally low offset voltage and off-  
set voltage temperature coefficient without using any  
chopper techniques. The MAX4236 and MAX4237 have  
a typical large-signal, open-loop voltage gain of 120dB.  
These devices have an ultra-low input-bias current of  
1pA. The MAX4236 is unity-gain stable with a gain-  
bandwidth product of 1.7MHz, while the MAX4237 is  
stable for closed-loop gains greater than 5V/V with a  
gain-bandwidth product of 7.5MHz. Both devices have  
a shutdown function in which the quiescent current is  
reduced to less than 0.1µA, and the amplifier output is  
forced into a high-impedance state.  
Ultra-Low Offset Voltage  
20µV (max) at +25°C (Grade A)  
50µV (max) at +25°C (Grade B, 6-Pin SOT23)  
Ultra-Low Offset Voltage Drift  
2µV/°C (max) (Grade A)  
4.5µV/°C (max) (Grade B, 6-Pin SOT23)  
5.5µV/°C (max) (6-Pin SOT23)  
Ultra-Low 1pA Input Bias Current  
High Open-Loop Voltage Gain: 110dB (min)  
(R = 100k)  
L
Compatible with +3V and +5V Single-Supply  
The input common-mode range of the MAX4236/  
MAX4237 extends below the negative supply range, and  
the output swings Rail-to-Rail®. These features make the  
amplifiers ideal for applications with +3V or +5V single  
power supplies. The MAX4236/MAX4237 are specified for  
the extended temperature range (-40°C to +85°C) and  
are available in tiny SOT23, µMAX, and SO packages. For  
greater accuracy, the A grade µMAX and SO packages  
are tested to guarantee 20µV (max) offset voltage at  
+25°C and less then 2µV/°C drift.  
Power Systems  
Ground Sensing: Input Common-Mode Range  
Includes Negative Rail  
Rail-to-Rail Output Swing into a 1kLoad  
350µA Quiescent Current  
Gain-Bandwidth Product  
1.7MHz (MAX4236, A = 1V/V)  
7.5MHz (MAX4237, A = 5V/V)  
V
V
Applications  
200pF Capacitive Load Handling Capability  
Strain Gauges  
Shutdown Mode: 0.1µA Quiescent Current,  
Piezoelectric Sensors  
Places Output in a High-Impedance State  
Thermocouple Amplifiers  
Electrochemical Sensors  
Battery-Powered Instrumentation  
Instrumentation Amplifiers  
Available in Space-Saving SOT23 and µMAX  
Packages  
Ordering Information  
Rail-to-Rail is a registered trademark of Nippon Motorola, Inc.  
PART  
TEMP. RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
6 SOT23-6  
8 µMAX  
8 µMAX  
8 SO  
Pin Configurations  
MAX4236EUT-T  
MAX4236AEUA  
MAX4236BEUA  
MAX4236AESA  
MAX4236BESA  
MAX4237EUT-T  
MAX4237AEUA  
MAX4237BEUA  
MAX4237AESA  
MAX4237BESA  
TOP VIEW  
N.C.  
IN-  
1
2
3
4
8
7
6
5
SHDN  
OUT  
1
2
3
6
5
4
V
CC  
8 SO  
V
CC  
MAX4236A/B  
MAX4237A/B  
IN+  
OUT  
N.C.  
6 SOT23-6  
8 µMAX  
8 µMAX  
8 SO  
MAX4236  
MAX4237  
V
SHDN  
IN-  
EE  
V
EE  
SO-8/µMAX  
IN+  
8 SO  
SOT23-6  
________________________________________________________________ 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.  

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