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LM285-1.2

微功率電壓基準(zhǔn); ? 10μA 至 20mA 工作電流范圍\n\n? 有保證的 1% 初始電壓容限\n\n? 有保證的 1Ω 動(dòng)態(tài)阻抗\n\n? 非常低的功耗;

LM185-1.2 / LM285-1.2 / LM385-1.2 是兩端帶隙基準(zhǔn)二極管，專為需要精準(zhǔn)性能和微功率操作的應(yīng)用而設(shè)計(jì)。這些器件可在低至 10μA 的電流下提供有保證的工作規(guī)格指標(biāo)。標(biāo)稱電壓為 1.235V，可提供 1% 和 2% 的容限。其他的一些特點(diǎn)是：1Ω 的最大動(dòng)態(tài)阻抗、低噪聲以及隨著時(shí)間推移和溫度變化的卓越穩(wěn)定性。先進(jìn)的設(shè)計(jì)、加工和測(cè)試方法使得凌力爾特 (現(xiàn)隸屬 ADI) 的 LM185-1.2 / LM285-1.2 / LM385-1.2 成為優(yōu)于先前設(shè)計(jì)的選擇。下面示出了一款微功率 5V 基準(zhǔn)應(yīng)用電路。如需具保證溫度系數(shù) (TC) 的微功率基準(zhǔn)，請(qǐng)參見 LT1034 的數(shù)據(jù)手冊(cè)。\n\n應(yīng)用\n\n? 便攜式儀表基準(zhǔn)\n\n? 便攜式測(cè)試儀器\n\n? 電池供電式系統(tǒng)\n\n? 電流環(huán)路儀表\n\n\n\n

LM285-1.2

具有 -40°C 至 +85°C 工作溫度范圍的 1.235V 微功耗基準(zhǔn)電壓; ? Operating Current Range \n? LM285-1.2: 10 μA to 20 mA\n? LM385-1.2: 15 μA to 20 mA \n? LM385B-1.2: 15 μA to 20 mA \n \n? 1% and 2% Initial Voltage Tolerance\n? Reference Impedance \n? LM385-1.2: 1 Ω MAX at 25°C \n? All devices: 1.5 Ω MAX over Full Temperature Range\n \n? Very Low Power Consumption\n? 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.\n\nThese 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.\n\n

LM285-1.2

MICROPOWER VOLTAGE REFERENCES

LM285-1.2

Micropower Voltage Reference Diode

LM285-1.2

Micropower Voltage Reference

LM285-1.2

Micropower Voltage Reference Diode

LM285-1.2

Micropower Voltage References

LM285-1.2

Micropower Voltage References

LM285-1.2

Micropower Voltage Reference

LM285-1.2_15

Micropower Voltage Reference