Datasheet > EL2257CS

EL2257CS

更新时间： 2024-11-19 22:50:55

品牌	Logo	应用领域
英特矽尔 - INTERSIL		运算放大器光电二极管局域网
页数	文件大小	规格书
17页	645K
描述
125MHz Single Supply, Clamping Op Amp

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EL2257CS 数据手册

EL2257

Data Sheet

February 28, 2002

FN7063

125MHz Single Supply, Clamping Op Amp

Features

The EL2257 is a single supply op amp.

Prior single supply op amps have

generally been limited to bandwidths

• Specified for +3V, +5V, or ± 5V applications

• Power-down to 0µA

• Output voltage clamp

and slew rates one-fourth of that of the EL2257. The

125MHz bandwidth, 275V/µs slew rate and 0.05%/0.05°

differential gain/differential phase makes this part ideal for

single or dual supply video speed applications. With its

voltage feedback architecture, this amplifier can accept

reactive feedback networks, allowing them to be used in

analog filtering applications. The inputs can sense signals

below the bottom supply rail and as high as 1.2V below the

top rail. Connecting the load resistor to ground and operating

from a single supply, the outputs swing completely to ground

without saturating. The outputs can also drive to within 1.2V

of the top rail. The EL2257 will output ±100mA and will

operate with single supply voltages as low as 2.7V, making

them ideal for portable, low power applications.

• Large input common-mode range 0V < V

< V - 1.2V

• Output swings to ground without saturating

• -3dB bandwidth = 125MHz

• ±0.1dB bandwidth = 30MHz

• Low supply current = 5mA

• Slew rate = 275V/µs

• Low offset voltage = 4mV max

• Output current = ±100mA

• High open loop gain = 80dB

• Differential gain = 0.05%

The EL2257 has a high speed disable feature. Applying a

low logic level to all ENABLE pins reduces the supply current

to 0µA within 50ns. Each amplifier has its own ENABLE pin.

This is useful for both multiplexing and reducing power

consumption.

• Differential phase = 0.05°

Applications

• Video amplifiers

The EL2257 also has an output voltage clamp feature. This

clamp is a fast recovery (< 7ns) output clamp that prevents

the output voltage from going above the preset clamp

voltage. This feature is desirable for A/D applications, as A/D

converters can require long times to recover if overdriven.

• PCMCIA applications

• A/D drivers

• Line drivers

• Portable computers

• High speed communications

• RGB printer, fax, scanner applications

• Broadcast equipment

• Active filtering

The EL2257 is available in 14-pin SO (0.150") and 14-pin

PDIP packages and operates over the industrial temperature

range of -40°C to +85°C. For single amplifier applications,

see the EL2150 and EL2157. For space-saving, industry-

standard pinout dual and quad applications, see the EL2250

and EL2450.

• Multiplexing

Ordering Information

Pinout

TAPE &

EL2257

[14-PIN SO (0.150”), PDIP]

TOP VIEW

PART NUMBER

EL2257CS

PACKAGE

REEL

PKG. NO.

MDP0027

MDP0031

14-Pin SO (0.150")

14-Pin PDIP

7”

13”

EL2257CS-T7

EL2257CS-T13

EL2257CN

INA+

CLAMPA

ENABLEA

GND

14 INA-

13 OUTA

VS+

ENABLEB

CLAMPB

INB+

10 NC

OUTB

INB-

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...17

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与EL2257CS相关器件

型号	品牌	获取价格	描述	数据表
EL2257CS-T13	INTERSIL	获取价格	125MHz Single Supply, Clamping Op Amp
EL2257CS-T7	INTERSIL	获取价格	125MHz Single Supply, Clamping Op Amp
EL2260	ETC	获取价格	Dual/Quad 130MHz Current Feedback Amplifiers
EL2260C	ELANTEC	获取价格	Dual/Quad 130 MHz Current Feedback Amplifiers
EL2260CN	ELANTEC	获取价格	Dual/Quad 130 MHz Current Feedback Amplifiers
EL2260CN	INTERSIL	获取价格	Dual/Quad 130MHz Current Feedback Amplifiers
EL2260CS	ELANTEC	获取价格	Dual/Quad 130 MHz Current Feedback Amplifiers
EL2260CS	INTERSIL	获取价格	Dual/Quad 130MHz Current Feedback Amplifiers
EL2260J	ETC	获取价格	Current-Feedback Operational Amplifier
EL2270	INTERSIL	获取价格	70MHz/1mA Current Mode Feedback Amplifiers

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