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LMH3401

現行

7 GHz 超寬頻全差動放大器

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產品規格表

LMH3401

現行
產品規格表 立即訂購

產品詳細資料

Current consumption (mA) 55 Frequency (min) (MHz) 0 Frequency (max) (MHz) 2000 Gain (typ) (dB) 16 Noise figure (typ) (dB) 9 OIP3 (typ) (dBm) 45 P1dB (typ) (dBm) 13 Number of channels 1 Operating temperature range (°C) -40 to 85 Type RF FDA Rating Catalog
Current consumption (mA) 55 Frequency (min) (MHz) 0 Frequency (max) (MHz) 2000 Gain (typ) (dB) 16 Noise figure (typ) (dB) 9 OIP3 (typ) (dBm) 45 P1dB (typ) (dBm) 13 Number of channels 1 Operating temperature range (°C) -40 to 85 Type RF FDA Rating Catalog
UQFN (RMS) 14 6.25 mm² 2.5 x 2.5
  • Excellent Single-Ended to Differential Conversion Performance from DC to 2 GHz
  • 7-GHz, –3-dB Bandwidth
  • Excellent HD2 and HD3 to 2 GHz:
    • –96 (HD2), –102 (HD3) at 10 MHz
    • –79 (HD2), –77 (HD3) at 500 MHz
    • –64 (HD2), –72 (HD3) at 1 GHz
    • –55 (HD2), –40 (HD3) at 2 GHz
  • Best in Class OIP3 Performance to 2 GHz:
    • 45 dBm at 200 MHz
    • 33 dBm at 1 GHz
    • 24 dBm at 2 GHz
  • Fixed Single-Ended to Differential Voltage Gain: 16 dB
  • Noise Figure: 9 dB at 200 MHz (RS = 50 Ω)
  • Slew Rate: 18,000 V/µs
  • Supports Single-Supply or Split-Supply Operation
  • Powered-Down Feature
  • Supply Current: 55 mA
  • Excellent Single-Ended to Differential Conversion Performance from DC to 2 GHz
  • 7-GHz, –3-dB Bandwidth
  • Excellent HD2 and HD3 to 2 GHz:
    • –96 (HD2), –102 (HD3) at 10 MHz
    • –79 (HD2), –77 (HD3) at 500 MHz
    • –64 (HD2), –72 (HD3) at 1 GHz
    • –55 (HD2), –40 (HD3) at 2 GHz
  • Best in Class OIP3 Performance to 2 GHz:
    • 45 dBm at 200 MHz
    • 33 dBm at 1 GHz
    • 24 dBm at 2 GHz
  • Fixed Single-Ended to Differential Voltage Gain: 16 dB
  • Noise Figure: 9 dB at 200 MHz (RS = 50 Ω)
  • Slew Rate: 18,000 V/µs
  • Supports Single-Supply or Split-Supply Operation
  • Powered-Down Feature
  • Supply Current: 55 mA

The LMH3401 is a very high-performance, differential amplifier optimized for radio frequency (RF), intermediate frequency (IF), or high-speed, time-domain applications. This device is ideal for dc- or ac-coupled applications that require a single-ended to differential conversion when driving an analog-to-digital converter (ADC). The LMH3401 generates very low levels of second-order and third-order distortion when operating in single-ended-input to differential-output or differential-input to differential-output mode.

The on-chip resistors simplify printed circuit board (PCB) implementation and provide the highest performance over the usable bandwidth of 2 GHz. This performance makes the LMH3401 ideal for applications such as test and measurement, broadband communications, and high-speed data acquisition. A common-mode reference input pin is provided to align the amplifier output common-mode with the ADC input requirements. Use this device with power supplies between 3.3 V and 5.0 V; dual-supply operation is supported when required by the application.

This level of performance is achieved at a very low power level of 275 mW when a 5.0-V supply is used. A power-down feature is also available for power savings. The LMH3401 is fabricated in Texas Instruments' advanced complementary BiCMOS process and is available in a space-saving, 14-lead UQFN package with a specified operating temperature range of –40°C to 85°C.

The LMH3401 is a very high-performance, differential amplifier optimized for radio frequency (RF), intermediate frequency (IF), or high-speed, time-domain applications. This device is ideal for dc- or ac-coupled applications that require a single-ended to differential conversion when driving an analog-to-digital converter (ADC). The LMH3401 generates very low levels of second-order and third-order distortion when operating in single-ended-input to differential-output or differential-input to differential-output mode.

The on-chip resistors simplify printed circuit board (PCB) implementation and provide the highest performance over the usable bandwidth of 2 GHz. This performance makes the LMH3401 ideal for applications such as test and measurement, broadband communications, and high-speed data acquisition. A common-mode reference input pin is provided to align the amplifier output common-mode with the ADC input requirements. Use this device with power supplies between 3.3 V and 5.0 V; dual-supply operation is supported when required by the application.

This level of performance is achieved at a very low power level of 275 mW when a 5.0-V supply is used. A power-down feature is also available for power savings. The LMH3401 is fabricated in Texas Instruments' advanced complementary BiCMOS process and is available in a space-saving, 14-lead UQFN package with a specified operating temperature range of –40°C to 85°C.
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類型 標題 日期
* Data sheet LMH3401 7-GHz, Ultra-Wideband, Fixed-Gain, Fully-Differential Amplifier datasheet (Rev. A) PDF | HTML 2014年 12月 4日
E-book The Signal e-book: A compendium of blog posts on op amp design topics 2017年 3月 28日
Application note ADC32RF45: Amplifier to ADC Interface (Rev. A) 2016年 9月 7日
EVM User's guide LMH3401EVM Evaluation Module 2014年 8月 26日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

LMH3401EVM — LMH3401 評估模組

The LMH3401EVM is an evaluation module for the single LMH3401 amplifier in a 14-lead high performance RF package. This evaluation module is designed to quickly and easily demonstrate the functionality and versatility of the amplifier. The EVM is ready to connect to power, signal source, and test (...)

使用指南: PDF
TI.com 無法提供
開發板

TSW54J60EVM — 400MHz 輸入頻寬數位器：雙路 16 位元、1 GSPS ADC 和寬頻固定或可變增益放大器

The TSW54J60EVM is an evaluation module (EVM) that allows for the evaluation of Texas Instruments’ ADS54J60, LMH3401, LMH6401 and LMK04828 devices. The ADS54J60 is a low power, 16-bit, 1-GSPS analog to digital converter (ADC) with a buffered analog input and outputs featuring a JESD204B (...)

使用指南: PDF
TI.com 無法提供
模擬型號

LMH3401 ADS Model

SBOJ020.ZIP (69 KB) - Spice Model
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模擬型號

LMH3401 PSpice Model

SBOMBP5.ZIP (128 KB) - PSpice Model
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模擬型號

LMH3401 TINA-TI Reference Design (Rev. C)

SBOM909C.TSC (473 KB) - TINA-TI Reference Design
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模擬型號

LMH3401 TINA-TI Spice Model (Rev. C)

SBOM910C.ZIP (8 KB) - TINA-TI Spice Model
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計算工具

SBOR022 — TI FDA Calculator

支援產品和硬體

支援產品和硬體

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參考設計

TIDA-00659 — 二階串級式 8 GHz 放大器參考設計電路板

This board cascades two LMH5401 or LMH3401 amplifiers for more gain or more DC common mode shift.
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00823 — 具有 AC 與 DC 耦合固定增益放大器的 16 位元 1 GSPS 數位器參考設計

This reference design discusses the use and performance of the Ultra-Wideband, Fixed-gain high-speed amplifier, the LMH3401 to drive the high-speed analog-to-digital converter (ADC), the ADS54J60 device. Different options for common-mode voltages, power supplies, and interfaces are discussed and (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00822 — 具有 AC 與 DC 耦合可變增益放大器的 16 位元 1 GSPS 數位器參考設計

This reference design discusses the use and performance of the Digital Variable-Gain high-speed amplifier, the LMH6401, to drive the high-speed analog-to-digital converter (ADC), the ADS54J60 device. Different options for common-mode voltages, power supplies, and interfaces are discussed and (...)
Design guide: PDF
電路圖: PDF
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UQFN (RMS) 14 Ultra Librarian
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