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LMH6555
  • LMH6555
  • LMH6555
  • LMH6555
  • LMH6555

LMH6555

ACTIVE

Low Distortion 1.2 GHz Differential Driver

Texas Instruments LMH6555 Product Info

1 April 2026 4

Parameters

Number of channels

1

Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)

3

Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)

3.6

BW at Acl (MHz)

1200

Acl, min spec gain (V/V)

4.8

Slew rate (typ) (V/µs)

3000

Architecture

Bipolar, Fully Differential ADC Driver

Vn at flatband (typ) (nV√Hz)

3.9

Iq per channel (typ) (mA)

120

Rail-to-rail

No

Vos (offset voltage at 25°C) (max) (mV)

50

Operating temperature range (°C)

-40 to 85

2nd harmonic (dBc)

53

3rd harmonic (dBc)

54

Frequency of harmonic distortion measurement (MHz)

750

GBW (typ) (MHz)

1200

Input bias current (max) (pA)

100000000

Features

On chip gain resistors

CMRR (typ) (dB)

68

Rating

Catalog

Package

WQFN (RGH)-16-16 mm² 4 x 4

Features

  • Typical Values unless Otherwise Specified.
  • −3 dB Bandwidth (VOUT = 0.80 VPP) 1.2 GHz
  • ±0.5 dB Gain Flatness (VOUT = 0.80 VPP) 330 MHz
  • Slew Rate 1300 V/μs
  • 2nd/3rd Harmonics (750 MHz) −53/−54 dBc
  • Fixed Gain 13.7 dB
  • Supply Current 120 mA
  • Single Supply Operation 3.3V ±10%
  • Adjustable Common-Mode Output Voltage

All trademarks are the property of their respective owners.

  • Typical Values unless Otherwise Specified.
  • −3 dB Bandwidth (VOUT = 0.80 VPP) 1.2 GHz
  • ±0.5 dB Gain Flatness (VOUT = 0.80 VPP) 330 MHz
  • Slew Rate 1300 V/μs
  • 2nd/3rd Harmonics (750 MHz) −53/−54 dBc
  • Fixed Gain 13.7 dB
  • Supply Current 120 mA
  • Single Supply Operation 3.3V ±10%
  • Adjustable Common-Mode Output Voltage

All trademarks are the property of their respective owners.

Description

The LMH6555 is an ultra high speed differential line driver with 53 dB SFDR at 750 MHz. The LMH6555 features a fixed gain of 13.7 dB. An input to the device allows the output common mode voltage to be set independent of the input common mode voltage in order to simplify the interface to high speed differential input ADCs. A unique architecture allows the device to operate as a fully differential driver or as a single-ended to differential converter.

The outstanding linearity and drive capability (100Ω differential load) of this device are a perfect match for driving high speed analog-to-digital converters. When combined with the ADC081000/ ADC081500 (single or dual ADC), the LMH6555 forms an excellent 8-bit data acquisition system with analog bandwidths exceeding 750 MHz.

The LMH6555 is offered in a space saving 16-pin WQFN package.

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