91:

+

-

LMH6554

V

+

V

-

VCMO

VS

91:

-

+

50:

50:

200:

200:

ADC

Up To 16-Bit

Data Converter

a

76.8:

RS = 50:

VEN

30:

VCM

0.1 PF

AC-Coupled

Source

0.1 PF

C

0.1 PF

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LMH6554

SNOSB30P – OCTOBER 2008 – REVISED JANUARY 2015

LMH6554 2.8-GHz Ultra Linear Fully Differential Amplifier

1 Features

3 Description

The LMH6554 device is a high-performance fully

1

•

Small-Signal Bandwidth 2.8 GHz

differential

amplifier

designed

to

provide

the

•

2 VPP Large-Signal Bandwidth 1.8 GHz

exceptional signal fidelity and wide large-signal

•

0.1 dB Gain Flatness 830 MHz

bandwidth necessary for driving 8- to 16-bit high-

speed

data

acquisition

systems.

Using

TI’s

•

OIP3 at 150 MHz 46.5 dBm

proprietary differential current mode input stage

•

HD2/HD3 at 75 MHz –96 / –97 dBc

architecture, the LMH6554 has unity gain, small-

•

Input Noise Voltage 0.9 nV/

√Hz

signal bandwidth of 2.8 GHz and allows operation at

gains greater than unity without sacrificing response

•

Input Noise Current 11 pA/

√Hz

flatness, bandwidth, harmonic distortion, or output

•

Slew Rate 6200 V/

μs

noise performance.

•

Power 260 mW

The low-impedance differential output of the device is

•

Typical Supply Current 52 mA

designed to drive ADC inputs and any intermediate

•

14-Lead UQFN Package

filter stage. The LMH6554 delivers 16-bit linearity up

to 75 MHz when driving 2-V peak-to-peak into loads

2 Applications

as low as 200

Ω.

•

Differential ADC Driver

The

LMH6554

is

fabricated

in

TI's

advanced

complementary BiCMOS process and is available in a

•

Single-Ended to Differential Converter

space-saving 14-lead UQFN package for higher

•

High-Speed Differential Signaling

performance.

•

IF/RF and Baseband Gain Blocks

•

SAW Filter Buffer/Driver

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Oscilloscope Probes

LMH6554

UQFN (14)

2.50 mm × 2.50 mm

•

Automotive Safety Applications

•

Video Over Twisted Pair

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

•

Differential Line Driver

4 Typical Application Schematic

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.