Datasheet > FAN4272MX

FAN4272MX

更新时间： 2024-11-24 23:51:47

品牌	Logo	应用领域
其他 - ETC		运算放大器
页数	文件大小	规格书
10页	197K
描述
Voltage-Feedback Operational Amplifier

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FAN4272MX 数据手册

PRELIMINARY

www.fairchildsemi.com

FAN4272

Dual, Low Cost, +2.7V & +5V, Rail-to-Rail I/O Amplifier

Features at 2.7V

General Description

The FAN4272 is an ultra-low cost, low power, voltage

feedback amplifier. At 5V, the FAN4272 uses only

160µA of supply current per amplifier and is

designed to operate from a supply range of 2.5V to

5.5V ( 1.25V to 2.75Vꢀ. The input voltage range

exceeds the negative and positive rails.

ꢀ

136µA supply current per amplifier

ꢀ

4.9MHz bandwidth

ꢀ

Output swings to within 20mV of either rail

ꢀ

Input voltage range exceeds the rail by >250mV

ꢀ

5.3V/µs slew rate

ꢀ

16mA output current

ꢀ

26nV/√Hz input voltage noise

Directly replaces MAX4126, OPA2340, LMV822, and

TLV2462 in single supply applications

Available in SOIC-8 and MSOP-8 package options

The FAN4272 offers high bipolar performance at a low

CMOS price. The FAN4272 offers superior dynamic

performance with a 4.9MHz small signal bandwidth

and 5.3V/µs slew rate. The combination of low

power, high bandwidth, and rail-to-rail performance

make the FAN4272 well suited for battery-powered

communication/computing systems.

ꢀ

Applications

ꢀ

Automotive applications

ꢀ

Portable/battery-powered applications

ꢀ

Large Signal Frequency Response

PCMCIA, USB

ꢀ

Mobile communications, cellular phones, pagers

Notebooks and PDA’s

= 5V

ꢀ

= 1V

ꢀ

Sensor Interface

ꢀ

A/D buffer

ꢀ

Active filters

ꢀ

Signal conditioning

= 4V

ꢀ

Portable test instruments

= 2V

FAN4272 Packages

0.01

0.1

SOIC

Frequency (MHz)

Out1

-In1

+In1

-V_s

+V_s

Output Swing vs. Load

1.35

Out2

-In2

+In2

= 10kΩ

= 1kΩ

= 75Ω

= 100Ω

MSOP

= 200Ω

= 75/100Ω

Out1

-In1

+In1

-V_s

+V_s

Out2

-In2

+In2

-1.35

-2.0

2.0

Input Voltage (0.4V/div)

Preliminary September 2001

12 3 4 5 6 7...10

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