1

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FN7031

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EL2070

200MHz Current Feedback Amplifier

The EL2070 is a wide bandwidth, fast

settling monolithic amplifier

incorporating a disable/enable feature.

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

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°, guaranteed 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.

Features

• Disable/enable

• 12ns settling to 0.05%

• 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

Pinout

EL2070

(8-PIN SO, PDIP)

TOP VIEW

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

Ordering Information

PART

NUMBER

TEMP.

RANGE

PACKAGE

PKG. NO.

EL2070CN

-40°C to +85°C

8-Pin PDIP

MDP0031

EL2070CS

-40°C to +85°C

8-Pin SO

MDP0027

Data Sheet

September 26, 2001

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