产品详细信息

VO (V) 2.048, 2.5, 4.096, 5, 8.192, 10 Reference voltage Fixed Initial accuracy (Max) (%) 0.1, 0.2, 0.5 VO adj (Min) (V) 2.048 VO adj (Max) (V) 10 Iz for regulation (Min) (uA) 60, 60, 68, 74, 91, 100 Rating Catalog Temp coeff (Max) (ppm/ degree C) 50 Operating temperature range (C) -40 to 125, -40 to 85 Iout/Iz (Max) (mA) 15
VO (V) 2.048, 2.5, 4.096, 5, 8.192, 10 Reference voltage Fixed Initial accuracy (Max) (%) 0.1, 0.2, 0.5 VO adj (Min) (V) 2.048 VO adj (Max) (V) 10 Iz for regulation (Min) (uA) 60, 60, 68, 74, 91, 100 Rating Catalog Temp coeff (Max) (ppm/ degree C) 50 Operating temperature range (C) -40 to 125, -40 to 85 Iout/Iz (Max) (mA) 15
SOT-23 (DBZ) 3 7 mm² 2.92 x 2.37
  • Small Package: SOT-23
  • No Output Capacitor Required
  • Tolerates Capacitive Loads
  • Fixed Reverse Breakdown Voltages of 2.048 V,
    2.5 V, 4.096 V, 5 V, 8.192 V, and 10 V
  • Key Specifications (LM4050-N)
    • Output Voltage Tolerance (A Grade, 25°C)
      ±0.1% (Maximum)
    • Low Output Noise (10 Hz to 10 kHz) 41 µVrms
      (Typical)
    • Wide Operating Current Range 60 µA to 15
      mA
    • Industrial Temperature Range –40°C to 85°C
    • Extended Temperature Range –40°C to 125°C
    • Low Temperature Coefficient 50 ppm/°C (max)
    • LM4050-N-Q1 is AEC-Q100 Grade 1 Qualified
      and are Manufactured on an Automotive
      Grade Flow
  • Small Package: SOT-23
  • No Output Capacitor Required
  • Tolerates Capacitive Loads
  • Fixed Reverse Breakdown Voltages of 2.048 V,
    2.5 V, 4.096 V, 5 V, 8.192 V, and 10 V
  • Key Specifications (LM4050-N)
    • Output Voltage Tolerance (A Grade, 25°C)
      ±0.1% (Maximum)
    • Low Output Noise (10 Hz to 10 kHz) 41 µVrms
      (Typical)
    • Wide Operating Current Range 60 µA to 15
      mA
    • Industrial Temperature Range –40°C to 85°C
    • Extended Temperature Range –40°C to 125°C
    • Low Temperature Coefficient 50 ppm/°C (max)
    • LM4050-N-Q1 is AEC-Q100 Grade 1 Qualified
      and are Manufactured on an Automotive
      Grade Flow

Ideal for space-critical applications, the LM4050-N precision voltage reference is available in the sub-miniature (3 mm × 1.3 mm) SOT-23 surface-mount package. The LM4050-N design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load, thus making the LM4050-N easy to use. Further reducing design effort is the availability of several fixed reverse breakdown voltages: 2.048 V, 2.5 V, 4.096 V, 5 V, 8.192 V, and 10 V. The minimum operating current increases from 60 µA for the LM4050-N-2.0 to 100 µA for the LM4050-N-10.0. All versions have a maximum operating current of 15 mA.

The LM4050-N utilizes fuse and Zener-zap reverse breakdown voltage trim during wafer sort to ensure that the prime parts have an accuracy of better than ±0.1% (A grade) at 25°C. Bandgap reference temperature drift curvature correction and low dynamic impedance ensure stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents.

All grades and voltage options of the LM4050-N are available in both an industrial temperature range (–40°C and 85°C) and an extended temperature range (–40°C and 125°C).

Ideal for space-critical applications, the LM4050-N precision voltage reference is available in the sub-miniature (3 mm × 1.3 mm) SOT-23 surface-mount package. The LM4050-N design eliminates the need for an external stabilizing capacitor while ensuring stability with any capacitive load, thus making the LM4050-N easy to use. Further reducing design effort is the availability of several fixed reverse breakdown voltages: 2.048 V, 2.5 V, 4.096 V, 5 V, 8.192 V, and 10 V. The minimum operating current increases from 60 µA for the LM4050-N-2.0 to 100 µA for the LM4050-N-10.0. All versions have a maximum operating current of 15 mA.

The LM4050-N utilizes fuse and Zener-zap reverse breakdown voltage trim during wafer sort to ensure that the prime parts have an accuracy of better than ±0.1% (A grade) at 25°C. Bandgap reference temperature drift curvature correction and low dynamic impedance ensure stable reverse breakdown voltage accuracy over a wide range of operating temperatures and currents.

All grades and voltage options of the LM4050-N are available in both an industrial temperature range (–40°C and 85°C) and an extended temperature range (–40°C and 125°C).

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类型 项目标题 下载最新的英语版本 日期
* 数据表 LM4050-N/-Q1 Precision Micropower Shunt Voltage Reference 数据表 (Rev. G) PDF | HTML 30 Sep 2015
应用手册 关于数据转换器的基准电压选择和设计提示 (Rev. A) PDF | HTML 下载英文版本 (Rev.A) PDF | HTML 15 Jul 2021

设计和开发

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仿真模型

LM4050-NA10P0 PSpice Transient Model

SNOM381.ZIP (25 KB) - PSpice Model
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SNOM537.ZIP (1 KB) - PSpice Model
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SNOM376A.ZIP (130 KB) - PSpice Model
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LM4050-NC4P096 PSpice Transient Model

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LM4050-NC4P096 Unencrypted PSpice Transient Model

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计算工具

SHUNT_VOLTAGE_REFERENCE_RESISTOR_CALCULATOR — 分流参考电压外部电阻快速入门计算器

这一外部电阻快速入门计算器工具让用户可以根据电压基准、电源和负载电流限值轻松计算有效的外部电阻值。使用这些输入,用户可以马上查看计算结果并通过以颜色标记的指示了解计算出的输出是否有效。
模拟工具

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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产品系列以及精选的模拟行为模型。

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封装 引脚数 下载
SOT-23 (DBZ) 3 了解详情

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
  • 认证摘要
  • 持续可靠性监测

支持与培训

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