LM285-1.2

現行

1.235-V、–40°C 至 +85°C、微功率電壓參考

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LM285-1.2-N 現行 1.235-V、–40°C 至 +85°C 微功耗電壓參考二極體 Improved maximum reverse breakdown voltage change with current (20 mV)

產品詳細資料

VO (V) 1.235 Initial accuracy (max) (%) 1 VO adj (min) (V) 1.235 VO adj (max) (V) 1.235 Iz for regulation (min) (µA) 8 Reference voltage (V) Fixed Rating Catalog Operating temperature range (°C) -40 to 85 Iout/Iz (max) (mA) 20
VO (V) 1.235 Initial accuracy (max) (%) 1 VO adj (min) (V) 1.235 VO adj (max) (V) 1.235 Iz for regulation (min) (µA) 8 Reference voltage (V) Fixed Rating Catalog Operating temperature range (°C) -40 to 85 Iout/Iz (max) (mA) 20
SOIC (D) 8 29.4 mm² 4.9 x 6 TO-92 (LP) 3 19.136 mm² 5.2 x 3.68
  • Operating Current Range
    • LM285-1.2: 10 μA to 20 mA
    • LM385-1.2: 15 μA to 20 mA
    • LM385B-1.2: 15 μA to 20 mA
  • 1% and 2% Initial Voltage Tolerance
  • Reference Impedance
    • LM385-1.2: 1 Ω MAX at 25°C
    • All devices: 1.5 Ω MAX over Full
      Temperature Range
  • Very Low Power Consumption
  • Interchangeable with Industry Standard
    LM285-1.2 and LM385-1.2
  • Operating Current Range
    • LM285-1.2: 10 μA to 20 mA
    • LM385-1.2: 15 μA to 20 mA
    • LM385B-1.2: 15 μA to 20 mA
  • 1% and 2% Initial Voltage Tolerance
  • Reference Impedance
    • LM385-1.2: 1 Ω MAX at 25°C
    • All devices: 1.5 Ω MAX over Full
      Temperature Range
  • Very Low Power Consumption
  • Interchangeable with Industry Standard
    LM285-1.2 and LM385-1.2

These micropower, two-terminal, band-gap voltage references operate over a 10-μA to 20-mA current range and feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming provides tight voltage tolerance. The band-gap reference for these devices has low noise and long-term stability.

The design makes these devices exceptionally tolerant of capacitive loading and, thus, easier to use in most reference applications. The wide dynamic operating temperature range accommodates varying current supplies, with excellent regulation.

The extremely low power drain of this series makes them useful for micropower circuitry. These voltage references can be used to make portable meters, regulators, or general-purpose analog circuitry, with battery life approaching shelf life. The wide operating current range allows them to replace older references with tighter-tolerance parts.

These micropower, two-terminal, band-gap voltage references operate over a 10-μA to 20-mA current range and feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming provides tight voltage tolerance. The band-gap reference for these devices has low noise and long-term stability.

The design makes these devices exceptionally tolerant of capacitive loading and, thus, easier to use in most reference applications. The wide dynamic operating temperature range accommodates varying current supplies, with excellent regulation.

The extremely low power drain of this series makes them useful for micropower circuitry. These voltage references can be used to make portable meters, regulators, or general-purpose analog circuitry, with battery life approaching shelf life. The wide operating current range allows them to replace older references with tighter-tolerance parts.

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類型 標題 日期
* Data sheet LMx85-1.2, LM385B-1.2 Micropower Voltage References datasheet (Rev. J) PDF | HTML 2015年 1月 27日
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 2019年 6月 28日

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計算工具

SHUNT_VOLTAGE_REFERENCE_RESISTOR_CALCULATOR Shunt Voltage Reference External Resistor Quick Start Calculator

This external resistor quick-start calculator tool lets you easily calculate valid external resistor values relative to voltage reference, supply and load-current bounds. With these inputs, you can instantly view the resulting calculations and use the color-coded indications to understand (...)

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LM336-2.5-MIL 分流電壓參考
分流電壓參考
ATL431 2.5-V 低 IQ 可調整精密分流穩壓器 LM136-2.5-N 電壓參考二極體 LM136-5.0 5.0 V 參考二極體 LM136-5.0QML 5.0 V 參考二極體 LM136A-2.5QML 2.5V 參考二極體 LM136A-2.5QML-SP 抗輻射 QMLV、2.5-V 分流電壓參考 LM136A-5.0QML 5.0 V 參考二極體 LM185-1.2-N 微功耗電壓參考二極體 LM185-1.2QML 微功耗電壓參考二極體 LM185-1.2QML-SP 抗輻射 QMLV、1.2-V 分流電壓參考 LM185-2.5-N 微功耗電壓參考二極體 LM185-2.5QML 微功耗電壓參考二極體 LM185-2.5QML-SP 航太級 QMLV 2.5-V 分流電壓參考 LM185-ADJ 可調整微電源電壓參考 LM185QML 可調整微電源電壓參考 LM285-1.2 1.235-V、–40°C 至 +85°C、微功率電壓參考 LM285-1.2-N 1.235-V、–40°C 至 +85°C 微功耗電壓參考二極體 LM285-2.5 2.5-V、–40°C 至 +85°C、微功率電壓參考 LM285-2.5-N 2.5-V、–40°C 至 +85°C 微功耗電壓參考二極體 LM285-ADJ 可調式 85°C 微功耗電壓參考 LM336-2.5 0°C 至 70°C、2.5-V 整合式參考電路 LM336-2.5-N 電壓參考二極體 LM336-5.0 5-V 參考二極體 LM385-1.2 1.235-V、2%、0°C 至 70°C 微功率電壓參考 LM385-1.2-MIL 微功耗電壓參考 LM385-1.2-N 1.235-V、0°C 至 70°C 微功耗電壓參考二極體 LM385-2.5 2.5-V、2%、70°C、微功率電壓參考 LM385-2.5-N 2.5-V、0°C 至 70°C 微功耗電壓參考二極體 LM385-ADJ 可調式 70°C 微功耗電壓參考 LM4030 超高精確分流電壓參考 LM4040 固定電壓、45-µA 精密微功率分流電壓參考 LM4040-N 100-ppm/°C 精密微功率分流電壓參考 LM4040-N-Q1 車用 100-ppm/°C 精密微功率分流電壓參考 LM4041-N 固定式與可調式 45-µA 精密微功率分流電壓參考 LM4041-N-Q1 車用精密微功率分流電壓參考 LM4050-N 50-ppm/°C 精密微功率分流電壓參考 LM4050-N-Q1 車用 50-ppm/°C 精密微功率分流電壓參考 LM4050QML-SP 抗輻射 QMLV、2.5-V 或 5-V 分流電壓參考 LM4051-N 固定式與可調式精密微功率分流電壓參考 LM431 2%、1% 或 0.5% 準確度,可調整精密齊納分流穩壓器 LM4431 微功耗分流電壓參考 LMV431 1.5% 低電壓 (1.24-V) 可調式精密分流穩壓器 LMV431A 1% 低電壓 (1.24-V) 可調式精密分流穩壓器 LMV431B 0.5% 低電壓 (1.24-V) 可調節式精密分流穩壓器
電流參考
LM134 3 端子可調節電流源 LM234 100°C 3 接腳可調整電流源 LM334 0°C 至 70°C 3 接腳可調整電流源
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