EL2357CS Elantec Inc, EL2357CS Datasheet

EL2357CS

Manufacturer Part Number

EL2357CS

Description

SOP

Manufacturer

Elantec Inc

Datasheets

1.EL2357CS.pdf (21 pages)

2.EL2357CS.pdf (21 pages)

Specifications of EL2357CS

Date_code

04+

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Features

Applications

Ordering Information

• Specified for +3V, +5V, or ± 5V

• Power Down to 0 µA

• Output Voltage Clamp

• Large Input Common Mode Range

• Output Swings to Ground Without

• -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°

• Video Amplifier

• PCMCIA Applications

• A/D Driver

• Line Driver

• Portable Computers

• High Speed Communications

• RGB Printer, FAX, Scanner

• Broadcast Equipment

• Active Filtering

• Multiplexing

EL2257CN

EL2257CS

EL2357CN

EL2357CS

Part No.

Applications

0V < V

Saturating

Applications

-40°C to +85°C

Temp. Range

< V

- 1.2V

14 Pin SOIC

16 Pin SOIC

14 Pin PDIP

16 Pin PDIP

Package

MDP0031

MDP0027

MDP0031

MDP0027

Outline #

EL2257C/EL2357C

125 MHz Single Supply, Clamping Op Amps

General Description

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.

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.

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

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

t o + 8 5 ° C . F o r s i n g l e a m p l i f i e r a p p l i c a t i o n s , s e e t h e

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

and quad applications, see the EL2250C/EL2450C.

Connection Diagrams

Top View

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