EL2257C

更新时间： 2024-11-19 22:50:55

品牌	Logo	应用领域
ELANTEC		运算放大器
页数	文件大小	规格书
21页	1601K
描述
125 MHz Single Supply, Clamping Op Amps

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EL2257C 数据手册

EL2257C/EL2357C

125 MHz Single Supply, Clamping Op Amps

Features

General Description

• Specified for +3V, +5V, or ± 5V

Applications

• Power Down to 0 µA

• Output Voltage Clamp

• Large Input Common Mode Range

0V < V_CM< V_S- 1.2V

• Output Swings to Ground Without

Saturating

• -3 dB Bandwidth = 125 MHz

• ± 0.1 dB Bandwidth = 30 MHz

• Low Supply Current = 5 mA

• Slew Rate = 275 V/µs

• Low Offset Voltage = 4 mV max

• Output Current = ±100 mA

• High Open Loop Gain = 80 dB

• Differential Gain = 0.05%

• Differential Phase = 0.05°

The EL2257C/EL2357C are supply op amps. Prior single supply op

amps have generally been limited to bandwidths and slew rates 1/4

that of the EL2257C/EL2357C. The 125 MHz bandwidth, 275 V/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 appli-

cations. 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 com-

pletely to ground without saturating. The outputs can also drive to

within 1.2V of the top rail. The EL2257C/EL2357C will output

±100 mA and will operate with single supply voltages as low as 2.7V,

making them ideal for portable, low power applications.

The EL2257C/EL2357C have a high speed disable feature. Applying a

low logic level to all ENABLE pins reduces the supply current to 0 µA

within 50 ns. Each amplifier has its own ENABLE pin. This is useful

for both multiplexing and reducing power consumption.

Applications

The EL2257C/EL2357C also have an output voltage clamp feature.

This clamp is a fast recovery (<7 ns) 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.

• Video Amplifier

• PCMCIA Applications

• A/D Driver

• Line Driver

• Portable Computers

• High Speed Communications

• RGB Printer, FAX, Scanner

Applications

• Broadcast Equipment

• Active Filtering

• Multiplexing

The EL2257C/EL2357C are available in plastic DIP and SOIC pack-

ages. Both parts operate over the industrial temperature range of -40°C

to +85°C. For single amplifier applications, see the

EL2150C/EL2157C. For space saving, industry standard pin out dual

and quad applications, see the EL2250C/EL2450C.

Ordering Information

Connection Diagrams

Part No.

EL2257CN

EL2257CS

EL2357CN

EL2357CS

Temp. Range

-40°C to +85°C

Package

Outline #

MDP0031

MDP0027

MDP0031

MDP0027

14 Pin PDIP

14 Pin SOIC

16 Pin PDIP

16 Pin SOIC

Top View

12 3 4 5 6 7...21

中文翻译

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与EL2257C相关器件

型号	品牌	获取价格	描述	数据表
EL2257CN	ELANTEC	获取价格	125 MHz Single Supply, Clamping Op Amps
EL2257CN	INTERSIL	获取价格	125MHz Single Supply, Clamping Op Amp
EL2257CS	ELANTEC	获取价格	125 MHz Single Supply, Clamping Op Amps
EL2257CS	INTERSIL	获取价格	125MHz Single Supply, Clamping Op Amp
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

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