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高速运算放大器 (GBW ≥ 50MHz)

THS3120

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具有断电功能的单路、低噪声、高输出驱动、475mA 电流反馈放大器

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THS3120

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产品详情

Architecture Current FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 10 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 30 GBW (typ) (MHz) 130 BW at Acl (MHz) 130 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 1500 Vn at flatband (typ) (nV√Hz) 2.5 Vn at 1 kHz (typ) (nV√Hz) 2.5 Iq per channel (typ) (mA) 3.5 Vos (offset voltage at 25°C) (max) (mV) 10 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 70 Input bias current (max) (pA) 4000000 Offset drift (typ) (µV/°C) 10 Iout (typ) (mA) 475 2nd harmonic (dBc) 51 3rd harmonic (dBc) 50 Frequency of harmonic distortion measurement (MHz) 10
Architecture Current FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 10 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 30 GBW (typ) (MHz) 130 BW at Acl (MHz) 130 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 1500 Vn at flatband (typ) (nV√Hz) 2.5 Vn at 1 kHz (typ) (nV√Hz) 2.5 Iq per channel (typ) (mA) 3.5 Vos (offset voltage at 25°C) (max) (mV) 10 Rail-to-rail No Features Shutdown Rating Catalog Operating temperature range (°C) -40 to 85 CMRR (typ) (dB) 70 Input bias current (max) (pA) 4000000 Offset drift (typ) (µV/°C) 10 Iout (typ) (mA) 475 2nd harmonic (dBc) 51 3rd harmonic (dBc) 50 Frequency of harmonic distortion measurement (MHz) 10
HVSSOP (DGN) 8 14.7 mm² (3 mm × 4.9 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • Low Noise:
    • 1 pA/√Hz Noninverting Current Noise
    • 10 pA/√Hz Inverting Current Noise
    • 2.5 nV/√Hz Voltage Noise
  • High Output Current Drive: 475 mA
  • High Slew Rate:
    • 1700 V/µs (RL = 50 , VO = 8 VPP)
  • Wide Bandwidth: 120 MHz (G = 2, RL = 50 )
  • Wide Supply Range: ±5 V to ±15 V
  • Power-Down Feature: (THS3120 Only)
  • APPLICATIONS
    • Video Distribution
    • Power FET Driver
    • Pin Driver
    • Capacitive Load Driver

All trademarks are the property of their respective owners.
  • Low Noise:
    • 1 pA/√Hz Noninverting Current Noise
    • 10 pA/√Hz Inverting Current Noise
    • 2.5 nV/√Hz Voltage Noise
  • High Output Current Drive: 475 mA
  • High Slew Rate:
    • 1700 V/µs (RL = 50 , VO = 8 VPP)
  • Wide Bandwidth: 120 MHz (G = 2, RL = 50 )
  • Wide Supply Range: ±5 V to ±15 V
  • Power-Down Feature: (THS3120 Only)
  • APPLICATIONS
    • Video Distribution
    • Power FET Driver
    • Pin Driver
    • Capacitive Load Driver

All trademarks are the property of their respective owners.

The THS3120 and THS3121 are low-noise, high-voltage, high output current drive, current-feedback amplifiers designed to operate over a wide supply range of ±5 V to ±15 V for today's high-performance applications.

The THS3120 offers a power saving mode by providing a power-down pin for reducing the 7-mA quiescent current of the device, when the device is not active.

These amplifiers provide well-regulated ac performance characteristics. Most notably, the 0.1-dB flat bandwidth is exceedingly high, reaching beyond 90 MHz. The unity-gain bandwidth of 130 MHz allows for good distortion characteristics at 10 MHz. Coupled with high 1700-V/µs slew rate, the THS3120 and THS3121 amplifiers allow for high output voltage swings at high frequencies.

The THS3120 and THS3121 are offered in an SOIC-8 (D) package and an MSOP-8 (DGN) PowerPAD package.

The THS3120 and THS3121 are low-noise, high-voltage, high output current drive, current-feedback amplifiers designed to operate over a wide supply range of ±5 V to ±15 V for today's high-performance applications.

The THS3120 offers a power saving mode by providing a power-down pin for reducing the 7-mA quiescent current of the device, when the device is not active.

These amplifiers provide well-regulated ac performance characteristics. Most notably, the 0.1-dB flat bandwidth is exceedingly high, reaching beyond 90 MHz. The unity-gain bandwidth of 130 MHz allows for good distortion characteristics at 10 MHz. Coupled with high 1700-V/µs slew rate, the THS3120 and THS3121 amplifiers allow for high output voltage swings at high frequencies.

The THS3120 and THS3121 are offered in an SOIC-8 (D) package and an MSOP-8 (DGN) PowerPAD package.
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技术文档

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 Low-Noise, High-Output Drive, Current Feedback Operational Amplifiers 数据表 (Rev. E) 2009-10-12
技术文章 3 common questions when designing with high-speed amplifiers PDF | HTML 2020-7-17
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 PDF | HTML 英语版 PDF | HTML 2018-1-31
模拟设计期刊 Expanding the usability of current-feedback amplifiers 2005-2-28
模拟设计期刊 Active filters using current-feedback amplifiers 2005-2-25

设计与开发

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评估板

THS3120EVM — THS3120 评估模块

The THS3120 EVM User's Guide is included within the Datasheet.

The THS3120 EVM is a turnkey module that allows you to evaluate the low-noise, high-voltage, high output current drive, current-feedback amplifier designed to operate over a wide supply range for high performance applications.  The (...)

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仿真模型

THS3120 PSpice Model (Rev. A)

SLOM137A.ZIP (38 KB) - PSpice 模型
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仿真模型

THS3120 TINA-TI Reference Design

SLOM138.TSC (1207 KB) - TINA-TI 参考设计
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仿真模型

THS3120 TINA-TI Spice Model

SLOM139.ZIP (4 KB) - TINA-TI Spice 模型
支持的产品和硬件
参考设计

PMP20967 — 用于瞬态测试的可调节双电平恒流负载参考设计

该可调节双电平恒定电流负载参考设计可帮助工程师测试具有特殊功能和易于操作的电源输出负载瞬态响应。该电路板能够提供低电平和高电平的负载瞬态调整，压摆率高达 100A/μs。该电路板中还设计了周期、延迟和脉宽等时序调整。
支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
HVSSOP (DGN) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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