MAX4208

更新时间： 2024-01-04 11:23:29

品牌	Logo	应用领域
美信 - MAXIM		仪表放大器
页数	文件大小	规格书
17页	251K
描述
Ultra-Low Offset/Drift, Precision Instrumentation Amplifiers with REF Buffer

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MAX4208 技术参数

生命周期：	Active	零件包装代码：	SOT-23
包装说明：	SOT-23, 5 PIN	针数：	5
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	风险等级：	5.82
放大器类型：	BUFFER	标称带宽 (3dB)：	1500 MHz
JESD-30 代码：	R-PDSO-G5	JESD-609代码：	e0
长度：	2.9 mm	标称负供电电压 (Vsup)：	-5 V
功能数量：	1	端子数量：	5
最高工作温度：	85 °C	最低工作温度：	-40 °C
最小输出电流：	0.08 A	封装主体材料：	PLASTIC/EPOXY
封装代码：	LSSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	认证状态：	Not Qualified
座面最大高度：	1.45 mm	标称压摆率：	5000 V/us
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	TIN LEAD
端子形式：	GULL WING	端子节距：	0.95 mm
端子位置：	DUAL	宽度：	1.625 mm

MAX4208 数据手册

19-0924; Rev 0; 9/07

Ultra-Low Offset/Drift, Precision

Instrumentation Amplifiers with REF Buffer

General Description

Features

♦ Ultra-Low Input Offset Voltage

±±2µV (max) at +±5°C

♦ ±20±5ꢀ (max) ꢁaꢂn ꢃrror

♦ Low 20±µV/°C Offset Voltage Drꢂft

♦ 1pA CMOS Input Bꢂas Current

The MAX4208/MAX4209 ultra-low offset and drift instru-

mentation amplifiers feature exceptional precision specifi-

cations, low power consumption, rail-to-rail output,

excellent gain-bandwidth product, and buffered

REFIN/MODE input in a very small µMAX^®package.

These devices use a patented^†spread-spectrum,

autozeroing technique that constantly measures and

corrects the input offset, eliminating drift over time and tem-

perature and the effect of 1/f noise. This technique

achieves less than 20µV offset voltage, allows ground-

sensing capability, provides ultra-low CMOS input bias cur-

rent and increased common-mode rejection performance.

♦ True ꢁround Sensꢂng wꢂth Raꢂl-to-Raꢂl Output

♦ Buffered RꢃF Input for Hꢂgh Accuracy and

Bꢂpolar Operatꢂon

♦ ±085V to 505V Sꢂngle-Supply Operatꢂon

(or ±10.±5V to ±±0ꢄ5V Dual Supplꢂes)

♦ ꢄ52µA Supply Current

The MAX4208/MAX4209 provide high-impedance inputs

optimized for small-signal differential voltages ( 100mV).

All devices provide a gain-bandwidth product of 750kHz.

♦ 10.µA Shutdown Mode

♦ ꢄ52kHz ꢁaꢂn-Bandwꢂdth Product

♦ Operate Over the -.2°C to +1±5°C Automotꢂve

The MAX4208 provides an adjustable gain with two

external resistors or unity gain with FB connected to OUT.

The MAX4209 is available in fixed gains of 10V/V, 100V/V,

or 1000V/V (suffixed T, H, and K) with 0.0ꢀ3 (typ) accu-

racy. Both devices include a reference input (REF) to

level-shift the output, allowing for bipolar signals in single-

supply applications. In both devices, REFIN/MODE is an

input to a precision unity-gain buffer, which sets the REF

voltage to level-shift the output. The internal REF buffer

allows the reference to be set by a simple resistive divider

or an ADC reference without any loading error.

Temperature Range

♦ Tꢂny 8-Pꢂn µMAX Package

Ordering Information

PIN-

PACKAꢁꢃ

ꢁAIN

(V/V)

PART

TꢃMP RANꢁꢃ

MAX.±28AUA+T

MAX.±29TAUA+T*

MAX4209HAUA+T

MAX4209KAUA+T*

-40°C to +125°C 8 µMAX-8

ADJ

100

1000

The MAX4208/MAX4209 operate with a 2.85V to 5.5V

single-supply voltage and consume only 750µA

of quiescent current (when the internal buffer is off) and

only 1.4µA in shutdown mode. These amplifiers

also operate with 2.5V dual supplies with REF

Note: All 8-pin µMAX packages have package code U8-1.

+Denotes a lead-free package.

*Future product—contact factory for availability.

connected to ground and REFIN/MODE to V

The MAX4208/MAX4209 are available in space-saving

8-pin µMAX packages and are specified over the auto-

motive operating temperature range (-40°C to +125°C).

Typical Application Circuit

†

US Patent #6,847,257.

Applications

Automotive Transducer Applications

IN-

Strain-Gauge Amplifiers

IN+

OUT

Industrial Process Control

REFIN/MODE

Battery-Powered Medical Equipment

Precision Low-Side Current Sense

Notebook Computers

REF

MAX4208

Differential Voltage Amplification

G = 1 +

REF

BUFFER OUT =

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.

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与MAX4208相关器件

型号	品牌	描述	获取价格	数据表
MAX4208_09	MAXIM	Ultra-Low Offset/Drift, Precision Instrumentation Amplifiers with REF Buffer	获取价格
MAX4208AUA+	MAXIM	Buffer Amplifier, 1 Func, BICMOS, PDSO8,	获取价格
MAX4208AUA+T	MAXIM	Ultra-Low Offset/Drift, Precision Instrumentation Amplifiers with REF Buffer	获取价格
MAX4208ESA	MAXIM	Buffer Amplifier, 1 Func, PDSO8, SO-8	获取价格
MAX4208EVKIT	MAXIM	Configurable Reference Voltage: Externally or Internally Buffered	获取价格
MAX4208EVKIT+	MAXIM	Configurable Reference Voltage: Externally or Internally Buffered	获取价格

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