Datasheet > MAX4239

MAX4239

更新时间： 2024-11-28 14:58:03

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
11页	1279K
描述
超低失调/漂移、低噪声、高精度、SOT23封装放大器

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中文翻译

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MAX4239 数据手册

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MAX4238/MAX4239

Ultra-Low Oﬀset/Drift, Low-Noise,

Precision SOT23 Ampliﬁers

General Description

Beneﬁts and Features

● DC Performance Ideal for High-Precision Sensor Interface

• Ultra-Low, 0.1µV Oﬀset Voltage

• 2.0µV (max) at +25°C

The MAX4238/MAX4239 are low-noise, low-drift, ultra-

high precision 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. Both

devices feature rail-to-rail outputs, operate from a single

2.7V to 5.5V supply, and consume only 600µA. An active-

low shutdown mode decreases supply current to 0.1µA.

• 2.5µV (max) at -40°C to +85°C

• 3.5µV (max) at -40°C to +125°C

• Low 10nV/°C Drift

• Low Noise: 1.5µV

from DC to 10Hz

P-P

• 150dB AV , 140dB PSRR, 140dB CMRR

• High Gain-Bandwidth Product

• 1MHz (MAX4238)

• 6.5MHz (MAX4239)

• Ground-Sensing Input

The MAX4238 is unity-gain stable with a gain-bandwidth

product of 1MHz, while the decompensated MAX4239

is stable with A ≥ 10V/V and a GBWP of 6.5MHz. The

• Rail-to-Rail Output (R = 1kΩ)

MAX4238/MAX4239 are available in 8-pin narrow SO,

6-pin TDFN and SOT23 packages.

● Low Power Consumption Reduces System Power

• Single 2.7V to 5.5V Supply Voltage Range

• 600µA Supply Current

Applications

● Thermocouples

● Strain Gauges

● Electronic Scales

● Medical Instrumentation

● Instrumentation Ampliﬁers

● Automotive

• 0.1µA Shutdown Mode

● Low Power Consumption Reduces System Power

● AEC-Q100 Qualified, Refer to Ordering Information

for the List of /V Parts

Typical Application Circuit

Ordering Information appears at end of data sheet.

Pin Configurations appear at end of data sheet.

18kΩ

360Ω

STRAIN GAUGE

ADC

= 100

AIN

18kΩ

MAX4238/

MAX4239

19-2424; Rev 10; 12/20

12 3 4 5 6 7...11

中文翻译

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与MAX4239相关器件

型号	品牌	获取价格	描述	数据表
MAX4239ASA	MAXIM	获取价格	Ultra-Low Offset/Drift, Low-Noise, Precision SOT23 Amplifiers
MAX4239ASA+T	MAXIM	获取价格	Operational Amplifier, 1 Func, 3.5uV Offset-Max, BICMOS, PDSO8, ROHS COMPLIANT, PLASTIC, 0
MAX4239ASA-T	MAXIM	获取价格	Operational Amplifier, 1 Func, 3.5uV Offset-Max, BICMOS, PDSO8, PLASTIC, 0.150 INCH, MS-01
MAX4239ATT+	MAXIM	获取价格	暂无描述
MAX4239ATT+	ROCHESTER	获取价格	OP-AMP, 3.5uV OFFSET-MAX, 6.5MHz BAND WIDTH, DSO6, 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLIAN
MAX4239ATT+T	MAXIM	获取价格	Ultra-Low Offset/Drift, Low-Noise,Precision SOT23 Amplifiers
MAX4239ATT+T	ROCHESTER	获取价格	OP-AMP, 3.5uV OFFSET-MAX, 6.5MHz BAND WIDTH, PDSO6, 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLIA
MAX4239AUT#TG16	ROCHESTER	获取价格	OP-AMP, 3.5uV OFFSET-MAX, 6.5MHz BAND WIDTH, PDSO6, PLASTIC, SOT-23, 6 PIN
MAX4239AUT/V+	MAXIM	获取价格	Operational Amplifier, 1 Func, 3.5uV Offset-Max, BICMOS, PDSO6, ROHS COMPLIANT, SOT-23, 6
MAX4239AUT/V+T	MAXIM	获取价格	Ultra-Low Offset/Drift, Low-Noise,Precision SOT23 Amplifiers

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