Datasheet > MAX44250_V01

MAX44250_V01

更新时间： 2023-12-18 00:00:00

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
14页	1150K
描述
20V, Ultra-Precision, Low-Noise Op Amps

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MAX44250_V01 数据手册

MAX44250/MAX44251/

MAX44252

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

General Description

Beneﬁts and Features

● High Accuracy Enables Precision Signal Chain

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 or dual

±1.35V to ±10V supplies 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.

Acquisition

• 6μV Input Offset Voltage (max) at Room

Temperature

• TCV

of 19nV/°C (max)

• Low 5.9nV/√Hz Input-Referred Voltage Noise

• 123nV in 0.1Hz to 10Hz

P-P

• 10MHz Gain-Bandwidth Product

• Rail-to-Rail Output

• Fast 400ns Settling Time

● 2.7V to 20V Power-Supply Range Supports

Wide Range of Sensors

With excellent specifications such as offset voltage of

● Integrated EMI Filter Reduces Impact of Radio

6µV (max), drift of 19nV/°C (max), and 123nV

noise in

P-P

Frequency Interference on Signal Chain Performance

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.

Applications

● Strain Gauges

● Pressure Transducers

The ICs are available in 5-pin SOT23, 8-pin SOT23, 8-pin

µMAX^®, and 14-pin SO packages and are rated over the

-40°C to +125°C temperature range.

● Medical Instrumentation

● Precision Instrumentation

● Load Cell and Bridge Transducer Amplification

Functional Diagrams appear at end of data sheet.

Ordering Information appears at end of data sheet.

Typical Operating Circuit

3.3V

+10V

MAX44251

OUT

BUFFER

MAX6126

10V

+10V

-10V

REF

50R

MAX44251

BUFFER

-10V

IN+

MICRO-

PROCESSOR

OUTPUT

MAX11211

+10V

IN-

BUFFER

1.5V

MAX44251

-10V

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

19-6000; Rev 6; 1/17

12 3 4 5 6 7...14

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