FAN4272

更新时间： 2024-11-24 22:50:59

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		放大器
页数	文件大小	规格书
11页	289K
描述
Dual, Low Cost, +2.7V & +5V, Rail-to-Rail I/O Amplifier

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FAN4272 数据手册

www.fairchildsemi.com

FAN4272

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

Features at 2.7V

Description

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

back 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 2.75V). The input

voltage range exceeds the negative and positive rails.

• 130µA supply current per amplifier

• 4MHz bandwidth

• Output swings to within 25mV of either rail

• Input voltage range exceeds the rail by >250mV

• 4V/µs slew rate

• 16mA output current

• 22nV/√Hz input voltage noise

• Operating temperature range: -40°C to +125°C

• Directly replaces TLC2272 in single supply applications

• Available in SOIC-8 and MSOP-8 package options

• Available evaluation boards:

The FAN4272 offers high bipolar performance at a low CMOS

price. The FAN4272 offers superior dynamic performance

with a 4MHz small signal bandwidth and 4V/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.

KEB006 (SOIC) and KEB010 (MSOP)

Large Signal Freq. Response V_s= +5V

Applications

• Automotive applications

• Portable/battery-powered applications

• PCMCIA, USB

• Mobile communications, cellular phones, pagers

• Notebooks and PDA’s

• Sensor Interface

= 1V

= 4V

= 2V

• A/D buffer

• Active filters

• Signal conditioning

• Portable test instruments

0.1

Frequency (MHz)

FAN4272 Packages

Output Swing vs. Load V_s= +5V

2.5

2.0

1.5

1.0

0.5

= 10kΩ

= 1kΩ

SOIC

Out1

-In1

+In1

-V_s

+V_s

= 200Ω

= 75Ω

= 100Ω

Out2

-In2

+In2

-0.5

-1.0

-1.5

-2.0

-2.5

MSOP

-3

-2

-1

Input Voltage (V)

Out1

-In1

+In1

-V_s

+V_s

Out2

-In2

+In2

Rev. 2 December 2002

12 3 4 5 6 7...11

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