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运算放大器 (op amps)
高速运算放大器 (GBW ≥ 50MHz)

LMH6704

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具有禁用功能的 650MHz 可选增益缓冲器

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数据表

LMH6704

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数据表 立即订购

米6体育平台手机版_好二三四详情

Architecture Fixed Gain/Buffer Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 8 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 650 BW at Acl (MHz) 650 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 3000 Vn at flatband (typ) (nV√Hz) 9.3 Iq per channel (typ) (mA) 11.5 Vos (offset voltage at 25°C) (max) (mV) 7 Rating Catalog Operating temperature range (°C) -40 to 85 Input bias current (max) (pA) 15000000 Offset drift (typ) (µV/°C) 35 Iout (typ) (mA) 90 2nd harmonic (dBc) 62 3rd harmonic (dBc) 78 Frequency of harmonic distortion measurement (MHz) 10
Architecture Fixed Gain/Buffer Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 8 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 GBW (typ) (MHz) 650 BW at Acl (MHz) 650 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 3000 Vn at flatband (typ) (nV√Hz) 9.3 Iq per channel (typ) (mA) 11.5 Vos (offset voltage at 25°C) (max) (mV) 7 Rating Catalog Operating temperature range (°C) -40 to 85 Input bias current (max) (pA) 15000000 Offset drift (typ) (µV/°C) 35 Iout (typ) (mA) 90 2nd harmonic (dBc) 62 3rd harmonic (dBc) 78 Frequency of harmonic distortion measurement (MHz) 10
SOIC (D) 8 29.4 mm² 4.9 x 6 SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8
  • Wideband operation
    • AV = +1, VO = 0.5 VPP 650 MHz
    • AV = +2, VO = 0.5 VPP 450 MHz
    • AV = +2, VO = 2 VPP 400 MHz
  • High output current ±90 mA
  • Very low distortion
    • 2nd/3rd harmonics (10 MHz, RL = 100Ω): −62/−78dBc
    • Differential gain/Differential phase: 0.02%/0.02°
  • Low noise 2.3nV/√Hz
  • High slew rate 3000 V/μs
  • Supply current 11.5 mA

All trademarks are the property of their respective owners.

  • Wideband operation
    • AV = +1, VO = 0.5 VPP 650 MHz
    • AV = +2, VO = 0.5 VPP 450 MHz
    • AV = +2, VO = 2 VPP 400 MHz
  • High output current ±90 mA
  • Very low distortion
    • 2nd/3rd harmonics (10 MHz, RL = 100Ω): −62/−78dBc
    • Differential gain/Differential phase: 0.02%/0.02°
  • Low noise 2.3nV/√Hz
  • High slew rate 3000 V/μs
  • Supply current 11.5 mA

All trademarks are the property of their respective owners.

The LMH6704 is a very wideband, DC coupled selectable gain buffer designed specifically for wide dynamic range systems requiring exceptional signal fidelity. The LMH6704 includes on chip feedback and gain set resistors, simplifying PCB layout while providing user selectable gains of +1, +2 and −1 V/V. The LMH6704 provides a disable pin, which places the amplifier in a high output impedance, low power mode. The Disable pin may be allowed to float high.

With a 650 MHz Small Signal Bandwidth (AV = +1), full power gain flatness to 200 MHz, and excellent Differential Gain and Phase, the LMH6704 is optimized for video applications. High resolution video systems will benefit from the LMH6704 ability to drive multiple video loads at low levels of differential gain or differential phase distortion.

The LMH6704 is constructed with proprietary high speed complementary bipolar process using proven current feedback circuit architectures. It is available in 8 Pin SOIC and 6 Pin SOT-23 packages.

The LMH6704 is a very wideband, DC coupled selectable gain buffer designed specifically for wide dynamic range systems requiring exceptional signal fidelity. The LMH6704 includes on chip feedback and gain set resistors, simplifying PCB layout while providing user selectable gains of +1, +2 and −1 V/V. The LMH6704 provides a disable pin, which places the amplifier in a high output impedance, low power mode. The Disable pin may be allowed to float high.

With a 650 MHz Small Signal Bandwidth (AV = +1), full power gain flatness to 200 MHz, and excellent Differential Gain and Phase, the LMH6704 is optimized for video applications. High resolution video systems will benefit from the LMH6704 ability to drive multiple video loads at low levels of differential gain or differential phase distortion.

The LMH6704 is constructed with proprietary high speed complementary bipolar process using proven current feedback circuit architectures. It is available in 8 Pin SOIC and 6 Pin SOT-23 packages.
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类型 标题 下载最新的英语版本 日期
* 数据表 LMH6704 650 MHz Selectable Gain Buffer with Disable 数据表 (Rev. C) 2013年 3月 18日
电子书 The Signal e-book: 有关运算放大器设计主题的博客文章汇编 英语版 2018年 1月 31日
用户指南 AN-2095 LMH730316 SOT23-5 / SOT23-6 Hi Performance Amplifier Eval Board (Rev. B) 2013年 5月 1日
应用手册 Generating Precision Clocks for Time- Interleaved ADCs 2007年 8月 2日

设计和开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

评估板

LMH730227 — 用于采用 8 引脚 SOIC 封装的高速单路运算放大器的评估板

National Semiconductor offers this unpopulated Evaluation Board to aid in the evaluation and testing of high-speed Op Amp that are offered in the 8-Pin SOIC package. Resistors, capacitors, or any other surface-mount components can be easily mounted on this board in the desired circuit (...)

用户指南: PDF
TI.com 上无现货
评估板

LMH730316 — 用于采用 5/6 引脚 SOT-23 封装的高速单路运算放大器的 LMH730316 评估板

National Semiconductor offers this unpopulated Evaluation Board to aid in the evaluation and testing of high-speed Op Amp that are offered in the 5-/6-Pin SOT-23 package. This 4 layer board is designed to improve speed and reduce harmonic distortion by careful placement and routing of components (...)

用户指南: PDF
TI.com 上无现货
仿真模型

LMH6704 PSpice Model

SNOM585.ZIP (2 KB) - PSpice Model
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仿真模型

LMH6704 TINA-TI Reference Design

SNOM584.TSC (2597 KB) - TINA-TI Reference Design
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计算工具

ANALOG-ENGINEER-CALC — 模拟工程师计算器

模拟工程师计算器旨在加快模拟电路设计工程师经常使用的许多重复性计算。该基于 PC 的工具提供图形界面，其中显示各种常见计算的列表（从使用反馈电阻器设置运算放大器增益到为稳定模数转换器 (ADC) 驱动器缓冲器电路选择合适的电路设计元件）。除了可用作单独的工具之外，该计算器还能够很好地与模拟工程师口袋参考书中所述的概念配合使用。
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计算工具

VOLT-DIVIDER-CALC — Voltage divider calculation tool

The voltage divider calculation tool (VOLT-DIVIDER-CALC) quickly determines a set of resistors for a voltage divider. This KnowledgeBase JavaScript utility can be used to find a set of resistors for a voltage divider to achieve the desired output voltage. VOLT-DIVIDER-CALC can also be used to (...)
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模拟工具

PSPICE-FOR-TI — 适用于 TI 设计和模拟工具的 PSpice®

PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源米6体育平台手机版_好二三四系列以及精选的模拟行为模型。

借助 PSpice for TI 的设计和仿真环境及其内置的模型库，您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案，然后再进行布局和制造，可缩短米6体育平台手机版_好二三四上市时间并降低开发成本。

在 PSpice for TI 设计和仿真工具中，您可以搜索 TI (...)
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模拟工具

TINA-TI — 基于 SPICE 的模拟仿真程序

TINA-TI 提供了 SPICE 所有的传统直流、瞬态和频域分析以及更多。TINA 具有广泛的后处理功能，允许您按照希望的方式设置结果的格式。虚拟仪器允许您选择输入波形、探针电路节点电压和波形。TINA 的原理图捕获非常直观 - 真正的“快速入门”。

TINA-TI 安装需要大约 500MB。直接安装，如果想卸载也很容易。我们相信您肯定会爱不释手。

TINA 是米6体育平台手机版_好二三四 (TI) 专有的 DesignSoft 米6体育平台手机版_好二三四。该免费版本具有完整的功能，但不支持完整版 TINA 所提供的某些其他功能。

如需获取可用 TINA-TI 模型的完整列表，请参阅：SpiceRack - 完整列表 

需要 HSpice (...)

用户指南: PDF
英语版 (Rev.A): PDF
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封装 引脚 CAD 符号、封装和 3D 模型
SOIC (D) 8 Ultra Librarian
SOT-23 (DBV) 6 Ultra Librarian
应遵守 TI 评估类商品的标准条款与条件。

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

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