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LMH5485-SP

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Radiation-hardness-assured (RHA) 850-MHz fully differential amplifier

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Data sheet

LMH5485-SP

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Data sheet Order now

Product details

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.1 BW at Acl (MHz) 530 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 1400 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 2.4 Iq per channel (typ) (mA) 10.1 Rail-to-rail In to V-, Out Vos (offset voltage at 25°C) (max) (mV) 0.45 Operating temperature range (°C) 25 to 25 Iout (typ) (mA) 100 2nd harmonic (dBc) 111 3rd harmonic (dBc) 149 Frequency of harmonic distortion measurement (MHz) 0.1 GBW (typ) (MHz) 850 Input bias current (max) (pA) 150000000 Features Shutdown CMRR (typ) (dB) 100 Rating Space
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.1 BW at Acl (MHz) 530 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 1400 Architecture Bipolar, Fully Differential ADC Driver Vn at flatband (typ) (nV√Hz) 2.4 Iq per channel (typ) (mA) 10.1 Rail-to-rail In to V-, Out Vos (offset voltage at 25°C) (max) (mV) 0.45 Operating temperature range (°C) 25 to 25 Iout (typ) (mA) 100 2nd harmonic (dBc) 111 3rd harmonic (dBc) 149 Frequency of harmonic distortion measurement (MHz) 0.1 GBW (typ) (MHz) 850 Input bias current (max) (pA) 150000000 Features Shutdown CMRR (typ) (dB) 100 Rating Space
CFP (HKX) 8 155.4 mm² 6.475 x 24
  • QMLV (QML class V) MIL-PRF-38535 qualified, SMD 5962R1920401VXC
    • Radiation hardness assurance (RHA) up to 100-krad (Si) total ionizing dose (TID)
    • Single event latch-up (SEL) immune to LET = 85 MeV-cm2 /mg
    • Qualified over the military temperature range: .. –55°C to 125°C
  • Fully differential amplifier (FDA) architecture
  • Bandwidth: 490 MHz (G = 2 V/V)
  • Gain bandwidth product (GBWP): 850 MHz
  • Slew rate: 1400 V/µs
  • HD2, HD3: –79 dBc, –97 dBc (10 MHz, 2 VPP)
  • Input voltage noise: 2.4 nV/ √Hz (f > 100 kHz)
  • Input offset voltage, drift: ±100 µV, ±0.5 µV/°C
  • Negative rail input (NRI), rail-to-rail output (RRO)
  • Output common-mode control
  • Power supply:
    • Supply voltage range: 2.7 V to 5.1 V
    • Quiescent current: 10.1 mA (5 V supply)
    • Power-down capability: 2 µA (typical)
  • QMLV (QML class V) MIL-PRF-38535 qualified, SMD 5962R1920401VXC
    • Radiation hardness assurance (RHA) up to 100-krad (Si) total ionizing dose (TID)
    • Single event latch-up (SEL) immune to LET = 85 MeV-cm2 /mg
    • Qualified over the military temperature range: .. –55°C to 125°C
  • Fully differential amplifier (FDA) architecture
  • Bandwidth: 490 MHz (G = 2 V/V)
  • Gain bandwidth product (GBWP): 850 MHz
  • Slew rate: 1400 V/µs
  • HD2, HD3: –79 dBc, –97 dBc (10 MHz, 2 VPP)
  • Input voltage noise: 2.4 nV/ √Hz (f > 100 kHz)
  • Input offset voltage, drift: ±100 µV, ±0.5 µV/°C
  • Negative rail input (NRI), rail-to-rail output (RRO)
  • Output common-mode control
  • Power supply:
    • Supply voltage range: 2.7 V to 5.1 V
    • Quiescent current: 10.1 mA (5 V supply)
    • Power-down capability: 2 µA (typical)

The LMH5485-SP is a radiation , low-power, voltage-feedback, fully differential amplifier (FDA) with an input common-mode range below the negative rail, and rail-to-rail output. Designed for power sensitive data acquisition systems where high density is critical in a high-performance analog-to-digital converter (ADC) or digital-to-analog converter (DAC) interface designs.

The LMH5485-SP features the negative-rail input required when interfacing a DC-coupled, ground-centered, source signal. This negative-rail input, with rail-to-rail output, allows for easy interface between single-ended, ground-referenced, bipolar signal sources and a wide variety of successive approximation register (SAR), delta-sigma (ΔΣ), or pipeline ADCs using only a single 2.7 V to 5.1 V power supply. LMH5485-SP also offers excellent DC precision for such ADC driving applications and is characterized for operation over the wide temperature range of –55°C to +125°C.

The LMH5485-SP is a radiation , low-power, voltage-feedback, fully differential amplifier (FDA) with an input common-mode range below the negative rail, and rail-to-rail output. Designed for power sensitive data acquisition systems where high density is critical in a high-performance analog-to-digital converter (ADC) or digital-to-analog converter (DAC) interface designs.

The LMH5485-SP features the negative-rail input required when interfacing a DC-coupled, ground-centered, source signal. This negative-rail input, with rail-to-rail output, allows for easy interface between single-ended, ground-referenced, bipolar signal sources and a wide variety of successive approximation register (SAR), delta-sigma (ΔΣ), or pipeline ADCs using only a single 2.7 V to 5.1 V power supply. LMH5485-SP also offers excellent DC precision for such ADC driving applications and is characterized for operation over the wide temperature range of –55°C to +125°C.
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* Data sheet LMH5485-SP Radiation Hardened Assured (RHA) Negative Rail Input, Rail-to-Rail Output, Precision, 850 MHz Fully Differential Amplifier datasheet (Rev. A) PDF | HTML 02 Dec 2021
Application brief Analog Front-End Design With Texas Instruments’ Tooling Landscape PDF | HTML 07 Mar 2022
Selection guide TI Space Products (Rev. I) 03 Mar 2022
EVM User's guide LMH5485-SP Evaluation Module User's Guide PDF | HTML 15 Sep 2021
Certificate LMH5485-SP-EVM EU RoHS Declaration of Conformity (DoC) 31 Aug 2021

Design & development

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Evaluation board

LMH5485-SP-EVM — LMH5485-SP evaluation module for 850-MHz fully differential amplifier

The LMH5485-SP-EVM is a generic, unpopulated printed circuit board (PCB) designed to provide an optimized layout when evaluating the LMH5485-SP in a HKX (CFP-8) package. The LMH5485-SP is a radiation hardened assured (RHA) negative rail input, rail-to-rail output (RRO), precision, 850-MHz fully (...)

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Simulation model

LMH5485-SP TINA-TI Reference Circuit

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LMH5485-SP PSpice Circuit Model

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