MAX44251

更新时间： 2024-11-05 11:17:07

品牌	Logo	应用领域
美信 - MAXIM		运算放大器
页数	文件大小	规格书
15页	2327K
描述
20V, Ultra-Precision, Low-Noise Op Amps

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MAX44251 数据手册

19-6000; Rev 0; 10/11

MAX44251/MAX44252

20V, Ultra-Precision, Low-Noise Op Amps

General Description

Benefits and Features

The MAX44251/MAX44252 are 20V, ultra-precision, low-

noise, low-drift amplifiers that offer near-zero DC offset

and drift through the use of patented autocorrelating

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

dual and quad devices feature rail-to-rail outputs, oper-

ate 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 unity-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)

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 8-pin SOT23, 8-pin µMAX ,

and 14-pin SOIC 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.maxim-ic.com/MAX44251.related.

Typical Operating Circuit

3.3V

20V

MAX44251

OUT

BUFFER

MAX6126

20V

REF

50R

BUFFER

IN+

MICRO-

PROCESSOR

OUTPUT

MAX11211

20V

IN-

MAX44251

BUFFER

1.5V

MAX44251

µMAX is a registered trademark of Maxim Integrated Products, Inc.

�� Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...15

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与MAX44251相关器件

型号	品牌	获取价格	描述	数据表
MAX44251AKA	MAXIM	获取价格	20V, Ultra-Precision, Low-Noise Op Amps
MAX44251AKA+	MAXIM	获取价格	20V, Ultra-Precision, Low-Noise Op Amps
MAX44251AUA	MAXIM	获取价格	20V, Ultra-Precision, Low-Noise Op Amps
MAX44251AUA+	MAXIM	获取价格	20V, Ultra-Precision, Low-Noise Op Amps
MAX44251AUA+T	MAXIM	获取价格	暂无描述
MAX44252	MAXIM	获取价格	20V, Ultra-Precision, Low-Noise Op Amps
MAX44252	ADI	获取价格	20V、超高精度、低噪声运算放大器
MAX44252ASD	MAXIM	获取价格	20V, Ultra-Precision, Low-Noise Op Amps
MAX44252ASD+	MAXIM	获取价格	20V, Ultra-Precision, Low-Noise Op Amps
MAX44252ASD+T	MAXIM	获取价格	Operational Amplifier, 4 Func, 6.5uV Offset-Max, BICMOS, PDSO14, ROHS COMPLIANT, SOIC-14

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