LT1999
推荐新设计使用高电压、双向电流检测放大器
- 产品模型
- 78
产品详情
- 具有3种增益选项的缓冲输出:10V/V、20V/V、50V/V
- 增益精度:0.5%(最大值)
- 输入共模电压范围:–5V至80V
- AC CMRR > 80dB (100kHz)
- 输入失调电压:1.5mV(最大值)
- –3dB带宽:2MHz
- 在整个共模范围内实现顺畅的连续操作
- 4kV HBM容差和1kV CDM容差
- 低功耗关断:<10µA
- 工作温度范围:-55°C至150°C
- 8引脚MSOP和8引脚SO(窄体)封装
- 8引脚MSOP引脚排列选项,适用于FMEA
- AEC-Q100通过汽车应用认证
LT®1999 是一款高速、精准的电流检测放大器,专为在一个宽共模范围内监视双向电流而设计。LT1999 可提供三种增益选项:10V/V、20V/V 和 50V/V。
LT1999 通过一个外部阻性分路器来检测电流,并产生一个输出电压,可指示检测电流的数值和方向。输出电压以位于电源电压与地之间的中间电压为参考电位,或者也可以采用一个外部电压来设定参考电平。LT1999 具有一个 2MHz 带宽和一个 –5V 至 80V 的共模输入范围,因而适合于监视 H 桥电机控制器中的电流、开关电源、螺线管电流、以及电池充电电流 (从满充电至电量耗尽)。
LT1999 采用一个独立的 5V 工作电源,并吸收 1.55mA 电流。该器件提供了一种停机模式以较大限度地降低功耗。
LT1999 可提供 8 引脚 SOP、8 引脚 MSOP (原有引脚) 或专为 FMEA 的 8 引脚选项。
应用
- 高端或低端电流检测
- H 桥电机控制
- 螺线管电流检测
- 高电压数据采集
- PWM 控制环路
- 熔丝 / MOSFET 监视
参考资料
数据手册 2
可靠性数据 1
用户手册 1
应用笔记 1
设计笔记 1
视频 1
产品选型卡 1
新闻 1
ADI 始终高度重视提供符合最高质量和可靠性水平的产品。我们通过将质量和可靠性检查纳入产品和工艺设计的各个范围以及制造过程来实现这一目标。出货产品的“零缺陷”始终是我们的目标。查看我们的质量和可靠性计划和认证以了解更多信息。
产品型号 | 引脚/封装图-中文版 | 文档 | CAD 符号,脚注和 3D模型 |
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LT1999CMS8-10#PBF | 8-Lead MSOP | ||
LT1999CMS8-10#TRPBF | 8-Lead MSOP | ||
LT1999CMS8-10F#PBF | 8-Lead MSOP | ||
LT1999CMS8-10F#TRPBF | 8-Lead MSOP | ||
LT1999CMS8-20#PBF | 8-Lead MSOP | ||
LT1999CMS8-20#TRPBF | 8-Lead MSOP | ||
LT1999CMS8-20F#PBF | 8-Lead MSOP | ||
LT1999CMS8-20F#TRPBF | 8-Lead MSOP | ||
LT1999CMS8-50#PBF | 8-Lead MSOP | ||
LT1999CMS8-50#TRPBF | 8-Lead MSOP | ||
LT1999CMS8-50F#PBF | 8-Lead MSOP | ||
LT1999CMS8-50F#TRPBF | 8-Lead MSOP | ||
LT1999CS8-10#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999CS8-10#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999CS8-20#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999CS8-20#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999CS8-50#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999CS8-50#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999HMS8-10#PBF | 8-Lead MSOP | ||
LT1999HMS8-10#TRPBF | 8-Lead MSOP | ||
LT1999HMS8-10F#PBF | 8-Lead MSOP | ||
LT1999HMS8-10F#TRPBF | 8-Lead MSOP | ||
LT1999HMS8-10F#WPBF | 8-Lead MSOP | ||
LT1999HMS8-10F#WTRPBF | 8-Lead MSOP | ||
LT1999HMS8-20#PBF | 8-Lead MSOP | ||
LT1999HMS8-20#TRPBF | 8-Lead MSOP | ||
LT1999HMS8-20F#PBF | 8-Lead MSOP | ||
LT1999HMS8-20F#TRPBF | 8-Lead MSOP | ||
LT1999HMS8-20F#WPBF | 8-Lead MSOP | ||
LT1999HMS8-20F#WTRPBF | 8-Lead MSOP | ||
LT1999HMS8-50#PBF | 8-Lead MSOP | ||
LT1999HMS8-50#TRPBF | 8-Lead MSOP | ||
LT1999HMS8-50F#PBF | 8-Lead MSOP | ||
LT1999HMS8-50F#TRPBF | 8-Lead MSOP | ||
LT1999HMS8-50F#WPBF | 8-Lead MSOP | ||
LT1999HMS8-50F#WTRPBF | 8-Lead MSOP | ||
LT1999HS8-10#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999HS8-10#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999HS8-20#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999HS8-20#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999HS8-50#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999HS8-50#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999IMS8-10#PBF | 8-Lead MSOP | ||
LT1999IMS8-10#TRPBF | 8-Lead MSOP | ||
LT1999IMS8-10F#PBF | 8-Lead MSOP | ||
LT1999IMS8-10F#TRPBF | 8-Lead MSOP | ||
LT1999IMS8-20#PBF | 8-Lead MSOP | ||
LT1999IMS8-20#TRPBF | 8-Lead MSOP | ||
LT1999IMS8-20F#PBF | 8-Lead MSOP | ||
LT1999IMS8-20F#TRPBF | 8-Lead MSOP | ||
LT1999IMS8-50#PBF | 8-Lead MSOP | ||
LT1999IMS8-50#TRPBF | 8-Lead MSOP | ||
LT1999IMS8-50F#PBF | 8-Lead MSOP | ||
LT1999IMS8-50F#TRPBF | 8-Lead MSOP | ||
LT1999IS8-10#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999IS8-10#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999IS8-20#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999IS8-20#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999IS8-50#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999IS8-50#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999MPMS8-10#PBF | 8-Lead MSOP | ||
LT1999MPMS8-10#TRPBF | 8-Lead MSOP | ||
LT1999MPMS8-10F#PBF | 8-Lead MSOP | ||
LT1999MPMS8-10F#TRPBF | 8-Lead MSOP | ||
LT1999MPMS8-20#PBF | 8-Lead MSOP | ||
LT1999MPMS8-20#TRPBF | 8-Lead MSOP | ||
LT1999MPMS8-20F#PBF | 8-Lead MSOP | ||
LT1999MPMS8-20F#TRPBF | 8-Lead MSOP | ||
LT1999MPMS8-50#PBF | 8-Lead MSOP | ||
LT1999MPMS8-50#TRPBF | 8-Lead MSOP | ||
LT1999MPMS8-50F#PBF | 8-Lead MSOP | ||
LT1999MPMS8-50F#TRPBF | 8-Lead MSOP | ||
LT1999MPS8-10#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999MPS8-10#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999MPS8-20#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999MPS8-20#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999MPS8-50#PBF | 8-Lead SOIC (Narrow 0.15 Inch) | ||
LT1999MPS8-50#TRPBF | 8-Lead SOIC (Narrow 0.15 Inch) |
产品型号 | 产品生命周期 | PCN |
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10月 11, 2022 - 22_0244 Epoxy Change from Henkel 8290 to 8290A for MSOP Package |
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LT1999CMS8-10#PBF | 量产 | |
LT1999CMS8-10#TRPBF | 量产 | |
LT1999CMS8-10F#PBF | 量产 | |
LT1999CMS8-10F#TRPBF | 量产 | |
LT1999CMS8-20#PBF | 量产 | |
LT1999CMS8-20#TRPBF | 量产 | |
LT1999CMS8-20F#PBF | 量产 | |
LT1999CMS8-20F#TRPBF | 量产 | |
LT1999CMS8-50#PBF | 量产 | |
LT1999CMS8-50#TRPBF | 量产 | |
LT1999CMS8-50F#PBF | 量产 | |
LT1999CMS8-50F#TRPBF | 量产 | |
LT1999HMS8-10#PBF | 量产 | |
LT1999HMS8-10#TRPBF | 量产 | |
LT1999HMS8-10F#PBF | 量产 | |
LT1999HMS8-10F#TRPBF | 量产 | |
LT1999HMS8-10F#WPBF | 量产 | |
LT1999HMS8-10F#WTRPBF | 量产 | |
LT1999HMS8-20#PBF | 量产 | |
LT1999HMS8-20#TRPBF | 量产 | |
LT1999HMS8-20F#PBF | 量产 | |
LT1999HMS8-20F#TRPBF | 量产 | |
LT1999HMS8-20F#WPBF | 量产 | |
LT1999HMS8-20F#WTRPBF | 量产 | |
LT1999HMS8-50#PBF | 量产 | |
LT1999HMS8-50#TRPBF | 量产 | |
LT1999HMS8-50F#PBF | 量产 | |
LT1999HMS8-50F#TRPBF | 量产 | |
LT1999HMS8-50F#WPBF | 量产 | |
LT1999HMS8-50F#WTRPBF | 量产 | |
LT1999IMS8-10#PBF | 量产 | |
LT1999IMS8-10#TRPBF | 量产 | |
LT1999IMS8-10F#PBF | 量产 | |
LT1999IMS8-10F#TRPBF | 量产 | |
LT1999IMS8-20#PBF | 量产 | |
LT1999IMS8-20#TRPBF | 量产 | |
LT1999IMS8-20F#PBF | 量产 | |
LT1999IMS8-20F#TRPBF | 量产 | |
LT1999IMS8-50#PBF | 量产 | |
LT1999IMS8-50#TRPBF | 量产 | |
LT1999IMS8-50F#PBF | 量产 | |
LT1999IMS8-50F#TRPBF | 量产 | |
LT1999MPMS8-10#PBF | 量产 | |
LT1999MPMS8-10#TRPBF | 量产 | |
LT1999MPMS8-10F#PBF | 量产 | |
LT1999MPMS8-10F#TRPBF | 量产 | |
LT1999MPMS8-20#PBF | 量产 | |
LT1999MPMS8-20#TRPBF | 量产 | |
LT1999MPMS8-20F#PBF | 量产 | |
LT1999MPMS8-20F#TRPBF | 量产 | |
LT1999MPMS8-50#PBF | 量产 | |
LT1999MPMS8-50#TRPBF | 量产 | |
LT1999MPMS8-50F#PBF | 量产 | |
LT1999MPMS8-50F#TRPBF | 量产 | |
2月 3, 2020 - 20_0128 Laser Top Mark for 8 Lead MSOP Packages Assembled in ADPG and UTAC |
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LT1999CMS8-10#PBF | 量产 | |
LT1999CMS8-10#TRPBF | 量产 | |
LT1999CMS8-10F#PBF | 量产 | |
LT1999CMS8-10F#TRPBF | 量产 | |
LT1999CMS8-20#PBF | 量产 | |
LT1999CMS8-20#TRPBF | 量产 | |
LT1999CMS8-20F#PBF | 量产 | |
LT1999CMS8-20F#TRPBF | 量产 | |
LT1999CMS8-50#PBF | 量产 | |
LT1999CMS8-50#TRPBF | 量产 | |
LT1999CMS8-50F#PBF | 量产 | |
LT1999CMS8-50F#TRPBF | 量产 | |
LT1999HMS8-10#PBF | 量产 | |
LT1999HMS8-10#TRPBF | 量产 | |
LT1999HMS8-10F#PBF | 量产 | |
LT1999HMS8-10F#TRPBF | 量产 | |
LT1999HMS8-10F#WPBF | 量产 | |
LT1999HMS8-10F#WTRPBF | 量产 | |
LT1999HMS8-20#PBF | 量产 | |
LT1999HMS8-20#TRPBF | 量产 | |
LT1999HMS8-20F#PBF | 量产 | |
LT1999HMS8-20F#TRPBF | 量产 | |
LT1999HMS8-20F#WPBF | 量产 | |
LT1999HMS8-20F#WTRPBF | 量产 | |
LT1999HMS8-50#PBF | 量产 | |
LT1999HMS8-50#TRPBF | 量产 | |
LT1999HMS8-50F#PBF | 量产 | |
LT1999HMS8-50F#TRPBF | 量产 | |
LT1999HMS8-50F#WPBF | 量产 | |
LT1999HMS8-50F#WTRPBF | 量产 | |
LT1999IMS8-10#PBF | 量产 | |
LT1999IMS8-10#TRPBF | 量产 | |
LT1999IMS8-10F#PBF | 量产 | |
LT1999IMS8-10F#TRPBF | 量产 | |
LT1999IMS8-20#PBF | 量产 | |
LT1999IMS8-20#TRPBF | 量产 | |
LT1999IMS8-20F#PBF | 量产 | |
LT1999IMS8-20F#TRPBF | 量产 | |
LT1999IMS8-50#PBF | 量产 | |
LT1999IMS8-50#TRPBF | 量产 | |
LT1999IMS8-50F#PBF | 量产 | |
LT1999IMS8-50F#TRPBF | 量产 | |
LT1999MPMS8-10#PBF | 量产 | |
LT1999MPMS8-10#TRPBF | 量产 | |
LT1999MPMS8-10F#PBF | 量产 | |
LT1999MPMS8-10F#TRPBF | 量产 | |
LT1999MPMS8-20#PBF | 量产 | |
LT1999MPMS8-20#TRPBF | 量产 | |
LT1999MPMS8-20F#PBF | 量产 | |
LT1999MPMS8-20F#TRPBF | 量产 | |
LT1999MPMS8-50#PBF | 量产 | |
LT1999MPMS8-50#TRPBF | 量产 | |
LT1999MPMS8-50F#PBF | 量产 | |
LT1999MPMS8-50F#TRPBF | 量产 | |
10月 24, 2024 - 24_0246 Migrating Bottom Trace Code Marking to Top Side Laser Marking for SOIC_N Package |
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LT1999CS8-10#PBF | 量产 | |
LT1999CS8-10#TRPBF | 量产 | |
LT1999CS8-20#PBF | 量产 | |
LT1999CS8-20#TRPBF | 量产 | |
LT1999CS8-50#PBF | 量产 | |
LT1999CS8-50#TRPBF | 量产 | |
LT1999HS8-10#PBF | 量产 | |
LT1999HS8-10#TRPBF | 量产 | |
LT1999HS8-20#PBF | 量产 | |
LT1999HS8-20#TRPBF | 量产 | |
LT1999HS8-50#PBF | 量产 | |
LT1999HS8-50#TRPBF | 量产 | |
LT1999IS8-10#PBF | 量产 | |
LT1999IS8-10#TRPBF | 量产 | |
LT1999IS8-20#PBF | 量产 | |
LT1999IS8-20#TRPBF | 量产 | |
LT1999IS8-50#PBF | 量产 | |
LT1999IS8-50#TRPBF | 量产 | |
LT1999MPS8-10#PBF | 量产 | |
LT1999MPS8-10#TRPBF | 量产 | |
LT1999MPS8-20#PBF | 量产 | |
LT1999MPS8-20#TRPBF | 量产 | |
LT1999MPS8-50#PBF | 量产 | |
LT1999MPS8-50#TRPBF | 量产 | |
10月 12, 2022 - 22_0255 Epoxy Change from Henkel 8290 to 8290A for 8-Lead SOIC Package (PCN part 2 of 2) |
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LT1999CS8-10#PBF | 量产 | |
LT1999CS8-10#TRPBF | 量产 | |
LT1999CS8-20#PBF | 量产 | |
LT1999CS8-20#TRPBF | 量产 | |
LT1999CS8-50#PBF | 量产 | |
LT1999CS8-50#TRPBF | 量产 | |
LT1999HS8-10#PBF | 量产 | |
LT1999HS8-10#TRPBF | 量产 | |
LT1999HS8-20#PBF | 量产 | |
LT1999HS8-20#TRPBF | 量产 | |
LT1999HS8-50#PBF | 量产 | |
LT1999HS8-50#TRPBF | 量产 | |
LT1999IS8-10#PBF | 量产 | |
LT1999IS8-10#TRPBF | 量产 | |
LT1999IS8-20#PBF | 量产 | |
LT1999IS8-20#TRPBF | 量产 | |
LT1999IS8-50#PBF | 量产 | |
LT1999IS8-50#TRPBF | 量产 | |
LT1999MPS8-10#PBF | 量产 | |
LT1999MPS8-10#TRPBF | 量产 | |
LT1999MPS8-20#PBF | 量产 | |
LT1999MPS8-20#TRPBF | 量产 | |
LT1999MPS8-50#PBF | 量产 | |
LT1999MPS8-50#TRPBF | 量产 | |
6月 16, 2021 - 21_0026 Laser Top Mark for 8SOICN Assembled in ADPG, UTL and CRM |
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LT1999CS8-10#PBF | 量产 | |
LT1999CS8-10#TRPBF | 量产 | |
LT1999CS8-20#PBF | 量产 | |
LT1999CS8-20#TRPBF | 量产 | |
LT1999CS8-50#PBF | 量产 | |
LT1999CS8-50#TRPBF | 量产 | |
LT1999HS8-10#PBF | 量产 | |
LT1999HS8-10#TRPBF | 量产 | |
LT1999HS8-20#PBF | 量产 | |
LT1999HS8-20#TRPBF | 量产 | |
LT1999HS8-50#PBF | 量产 | |
LT1999HS8-50#TRPBF | 量产 | |
LT1999IS8-10#PBF | 量产 | |
LT1999IS8-10#TRPBF | 量产 | |
LT1999IS8-20#PBF | 量产 | |
LT1999IS8-20#TRPBF | 量产 | |
LT1999IS8-50#PBF | 量产 | |
LT1999IS8-50#TRPBF | 量产 | |
LT1999MPS8-10#PBF | 量产 | |
LT1999MPS8-10#TRPBF | 量产 | |
LT1999MPS8-20#PBF | 量产 | |
LT1999MPS8-20#TRPBF | 量产 | |
LT1999MPS8-50#PBF | 量产 | |
LT1999MPS8-50#TRPBF | 量产 | |
6月 21, 2022 - 22_0050 UTAC Thai Limited (UTL) as Alternate Assembly Site for MSOP Packages / Devices |
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LT1999HMS8-10F#WPBF | 量产 | |
LT1999HMS8-10F#WTRPBF | 量产 | |
4月 18, 2022 - 22_0050 UTAC Thai Limited (UTL) as Alternate Assembly Site for MSOP Packages / Devices |
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LT1999HMS8-20F#WPBF | 量产 | |
LT1999HMS8-20F#WTRPBF | 量产 | |
LT1999HMS8-50#PBF | 量产 | |
LT1999HMS8-50#TRPBF | 量产 | |
LT1999HMS8-50F#WPBF | 量产 | |
LT1999HMS8-50F#WTRPBF | 量产 |
这是最新版本的数据手册
工具及仿真模型
LTspice 2
- LT1999 - Specialty Amplifiers
- LT1999-20 Demo Circuit - High Voltage Bidirectional Current Sense (-5-80V Input with Av = 20)
LTspice中提供以下器件型号:
- LT1999-10
- LT1999-20
- LT1999-50
LTspice®是一款强大高效的免费仿真软件、原理图采集和波形观测器,为改善模拟电路的仿真提供增强功能和模型。
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