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MAX44250AUA+

更新时间： 2024-11-24 12:10:15
品牌 Logo 应用领域
美信 - MAXIM 运算放大器
页数 文件大小 规格书
17页 2704K
描述
20V, Ultra-Precision, Low-Noise Op Amps

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EVALUATION KIT AVAILABLE  
MAX44250/MAX44251/MAX44252  
20V, Ultra-Precision, Low-Noise Op Amps  
General Description  
Benefits and Features  
The MAX44250/MAX44251/MAX44252 are 20V, ultra-  
precision, low-noise, low-drift amplifiers that offer near-  
zero DC offset and drift through the use of patented auto-  
correlating zeroing techniques. This method constantly  
measures and compensates the input offset, eliminating  
drift over time and temperature and the effect of 1/f noise.  
These single, dual, and quad devices feature rail-to-rail  
outputs, operate from a single 2.7V to 20V supply, and  
consume only 1.15mA per channel, while providing  
5.9nV/√Hz input- referred voltage noise. The ICs are uni-  
ty-gain stable with a gain-bandwidth product of 10MHz.  
S 2.7V to 20V Power-Supply Range  
S Integrated EMI Filter  
S 6µV Input Offset Voltage (max) at Room  
Temperature  
S TCV  
of 19nV/°C (max)  
OS  
S Low 5.9nV/√Hz Input-Referred Voltage Noise  
S 123nV in 0.1Hz to 10Hz  
P-P  
S Fast 400ns Settling Time  
S 10MHz Gain-Bandwidth Product  
S Rail-to-Rail Output  
With excellent specifications such as offset voltage of  
6µV (max), drift of 19nV/°C (max), and 123nV  
noise in  
P-P  
S High Accuracy Enables Precision Signal Chain  
0.1Hz to 10Hz, the ICs are ideally suited for applications  
requiring ultra-low noise and DC precision such as inter-  
facing with pressure sensors, strain gauges, precision  
weight scales, and medical instrumentation.  
Acquisition  
Applications  
Strain Gauges  
Pressure Transducers  
Medical Instrumentation  
The ICs are available in 5-pin SOT23, 8-pin SOT23,  
M
8-pin µMAX , and 14-pin SO packages and are rated  
over the -40°C to +125°C temperature range.  
Precision Instrumentation  
Load Cell and Bridge Transducer Amplification  
Ordering Information appears at end of data sheet.  
Functional Diagrams appear at end of data sheet.  
For related parts and recommended products to use with this part,  
refer to www.maximintegated.com/MAX44250.related.  
Typical Operating Circuit  
3.3V  
20V  
3V  
MAX44251  
V
OUT  
R
BUFFER  
R
1
MAX6126  
20V  
V
DD  
20V  
R
R
V
V
REF  
DD  
50R  
50R  
G
V
BUFFER  
IN+  
R
G
MICRO-  
G
PROCESSOR  
OUTPUT  
MAX11211  
V
20V  
IN-  
V
SS  
R
MAX44251  
BUFFER  
1.5V  
C
1
MAX44251  
µMAX is a registered trademark of Maxim Integrated Products, Inc.  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
19-6000; Rev 2; 8/12  
1234567...17

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MAX44250AUA+ 替代型号

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