LMH6552MA+ National Semiconductor, LMH6552MA+ Datasheet

LMH6552MA+

Manufacturer Part Number

LMH6552MA+

Description

Manufacturer

National Semiconductor

Datasheets

1.LMH6552SDX.pdf (20 pages)

2.LMH6552MA.pdf (24 pages)

Specifications of LMH6552MA+

Notes

NEW

Date_code

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LMH6552

1.5 GHz Fully Differential Amplifier

General Description

The LMH6552 is a high performance fully differential amplifier

designed to provide the exceptional signal fidelity and wide

large-signal bandwidth necessary for driving 8 to 14 bit high

speed data acquisition systems. Using National's proprietary

differential current mode input stage architecture, the

LMH6552 allows operation at gains greater than unity without

sacrificing response flatness, bandwidth, harmonic distortion,

or output noise performance.

With external gain set resistors and integrated common mode

feedback, the LMH6552 can be configured as either a differ-

ential input to differential output or single ended input to

differential output gain block. The LMH6552 can be AC or DC

coupled at the input which makes it suitable for a wide range

of applications including communication systems and high

speed oscilloscope front ends. The performance of the

LMH6552 driving an ADC14DS105 is 86 dBc SFDR and 74

dBc SNR up to 40 MHz.

The LMH6552 is available in an 8-pin SOIC package as well

as a space saving, thermally enhanced 8-Pin LLP package

for higher performance.

Typical Application

LMH™ is a trademark of National Semiconductor Corporation.

Single-Ended Input Differential Output ADC Driver

300035

Features

■

Applications

■

1.5 GHz −3 dB small signal bandwidth @ A

1.25 GHz −3 dB large signal bandwidth @ A

800 MHz bandwidth @ A

450 MHz 0.1 dB flatness

3800 V/µs slew rate

10 ns settling time to 0.1%

−90 dB THD @ 20 MHz

−74 dB THD @ 70 MHz

20 ns enable/shutdown pin

5 to 12V operation

Differential ADC driver

Video over twisted pair

Differential line driver

Single end to differential converter

High speed differential signaling

IF/RF amplifier

Level shift amplifier

SAW filter buffer/driver

30003566

= 4

September 2007

www.national.com

= 1

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