EL2070CN Intersil Corporation, EL2070CN Datasheet

EL2070CN

Manufacturer Part Number

EL2070CN

Description

Manufacturer

Intersil Corporation

Datasheet

1.EL2070CN.pdf (11 pages)

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200MHz Current Feedback Amplifier

Built using an advanced complementary bipolar process, this

amplifier uses current-mode feedback to achieve more

bandwidth at a given gain than conventional operational

amplifiers. Designed for closed-loop gains of ±1 to ±8, the

EL2070 has a 200MHz -3dB bandwidth (A

settling to 0.05% while consuming only 15mA of supply

current. Furthermore, the fast disable/enable times of

200ns/100ns allow rapid analog multiplexing.

The EL2070 is an obvious high-performance solution for

video distribution and line-driving applications, especially

when its disable feature can be used for fast analog

multiplexing. Furthermore, the low 15mA supply current, and

the very low 5mA of supply current when disabled suggest

use in systems where power is critical. With differential

gain/phase of 0.02%/0.01°, gu aranteed video specifications,

and a minimum 50mA output drive, performance in these

areas is assured.

The EL2070’s settling to 0.05% in 12ns, low distortion, and

ability to drive capacitive loads make it an ideal flash A/D

driver. The wide 200MHz bandwidth and extremely linear

phase allow unmatched signal fidelity. D/A systems can also

benefit from the EL2070, especially if linearity and drive

levels are important.

Pinout

Manufactured under U.S. Patent No. 4,893,091

The EL2070 is a wide bandwidth, fast

settling monolithic amplifier

incorporating a disable/enable feature.

(8-PIN SO, PDIP)

TOP VIEW

EL2070

Data Sheet

= +2), and 12ns

1-888-INTERSIL or 321-724-7143

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

Features

• 200MHz -3dB bandwidth, A

• Disable/enable

• 12ns settling to 0.05%

• V

• Low distortion: HD2, HD3 @-60dBc at 20MHz

• Differential gain 0.02% at NTSC, PAL

• Differential phase 0.01° at NTSC, PAL

• Overload/short-circuit protected

• ±1 to ±8 closed-loop gain range

• Low cost

Applications

• Video gain block

• Video distribution

• HDTV amplifier

• Analog multiplexing (using disable)

• Power-down mode (using disable)

• High-speed A/D conversion

• D/A I-V conversion

• Photodiode, CCD preamps

• IF processors

• High-speed communications

Ordering Information

EL2070CN

EL2070CS

September 26, 2001

NUMBER

PART

= ±5V @ 15mA

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

Intersil (and design) is a registered trademark of Intersil Americas Inc.

-40°C to +85°C

RANGE

TEMP.

PACKAGE

8-Pin PDIP

= 2

8-Pin SO

EL2070

PKG. NO.

MDP0031

MDP0027

FN7031

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EL2070CN Summary of contents

Page 1

... Photodiode, CCD preamps • IF processors • High-speed communications Ordering Information PART NUMBER EL2070CN EL2070CS CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | 1-888-INTERSIL or 321-724-7143 Intersil (and design registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2003. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc. ...

Page 2

Absolute Maximum Ratings (T = 25°C) A Supply Voltage ( ...

Page 3

Open-Loop DC Electrical Specifications PARAMETER DESCRIPTION V L Output Voltage Swing OUT -ICMR Input Current Common Mode Rejection +IPSR +Input Current Power Supply Rejection -IPSR -Input Current Power Supply Rejection R Transimpedance OL I Pin 8 Current @ 0V LOGIC ...

Page 4

Closed-Loop AC Electrical Specifications PARAMETER DESCRIPTION TIME-DOMAIN RESPONSE Rise Time, Fall Time Rise Time, Fall Time Settling Time to 0. Settling Time to 0.05 Overshoot ...

Page 5

Typical Performance Curves Non-Inverting Frequency Response Open-Loop Transimpedance Gain and Phase Equivalent Input Noise 5 EL2070 Inverting Frequency Response for Frequency Response Various R 2nd and 3rd 2-Tone 3rd Order Harmonic Distortion Intermodulation Intercept Power-Supply Common-Mode Rejection Ratio Rejection Ratio ...

Page 6

Typical Performance Curves Settling Time Recommended R Load Capacitance 6 EL2070 (Continued) Long-Term Settling Time vs S Pulse Response A Pulse Response Settling Time vs Load Capacitance = +2 V ...

Page 7

Typical Performance Curves Differential Gain and Phase (3.58MHz) Forward and Reverse Gain during Disable Equivalent Circuit 7 EL2070 (Continued) Differential Gain and Phase (4.43MHz) Enable/Disable Response Differential Gain and Phase (30MHz) ...

Page 8

Burn-In Circuit ALL PACKAGES USE THE SAME SCHEMATIC. Applications Information Theory of Operation The EL2070 has a unity gain buffer from the non-inverting input to the inverting input. The error signal of the EL2070 is a current flowing into (or ...

Page 9

Capacitance at the output node will reduce stability, eventually resulting in peaking, and finally oscillation if the capacitance is large enough. The design of the EL2070 allows ...

Page 10

Page 11

... Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...

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