LM385BMX

更新时间： 2024-11-26 12:09:47

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LM185/LM285/LM385 Adjustable Micropower Voltage References

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LM385BMX 数据手册

LM185-ADJ, LM285-ADJ, LM385-ADJ

www.ti.com

SNVS741F –FEBRUARY 2000–REVISED APRIL 2013

LM185/LM285/LM385 Adjustable Micropower Voltage References

Check for Samples: LM185-ADJ, LM285-ADJ, LM385-ADJ

Careful design of the LM185 has made the device

FEATURES

tolerant of capacitive loading, making it easy to use in

almost any reference application. The wide dynamic

operating range allows its use with widely varying

supplies with excellent regulation.

•

Adjustable from 1.24V to 5.30V

Operating Current of 10μA to 20mA

1% and 2% Initial Tolerance

1Ω Dynamic Impedance

The extremely low power drain of the LM185 makes it

useful for micropower circuitry. This voltage reference

can be used to make portable meters, regulators or

general purpose analog circuitry with battery life

approaching shelf life. Further, the wide operating

current allows it to replace older references with a

tighter tolerance part.

Low Temperature Coefficient

DESCRIPTION

The LM185/LM285/LM385 are micropower 3-terminal

adjustable band-gap voltage reference diodes.

Operating from 1.24 to 5.3V and over a 10μA to

20mA current range, they feature exceptionally low

dynamic impedance and good temperature stability.

On-chip trimming is used to provide tight voltage

tolerance. Since the LM185 band-gap reference uses

only transistors and resistors, low noise and good

long-term stability result.

The LM185 is rated for operation over a −55°C to

125°C temperature range, while the LM285 is rated

−40°C to 85°C and the LM385 0°C to 70°C. The

LM185 is available in a hermetic TO package and a

LCCC package, while the LM285/LM385 are

available in a low-cost TO-92 package, as well as

SOIC.

Connection Diagram

Figure 1. TO-92 Package

Bottom View

Figure 2. TO Package

Bottom View

Figure 3. SOIC Package

Top View

Figure 4. 20-LCCC

Top View

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...23

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与LM385BMX相关器件

型号	品牌	获取价格	描述	数据表
LM385BMX/NOPB	NSC	获取价格	IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, PDSO8, SOIC-8, Voltage Reference
LM385BMX/NOPB	TI	获取价格	Adjustable Micropower Voltage References
LM385BMX-1.2	TI	获取价格	LM185-1.2-N/LM285-1.2-N/LM385-1.2-N Micropower Voltage Reference Diode
LM385BMX-1.2/NOPB	TI	获取价格	LM185-1.2-N/LM285-1.2-N/LM385-1.2-N Micropower Voltage Reference Diode
LM385BMX-1.2/NOPB	NSC	获取价格	IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.235 V, PDSO8, SOIC-8, Voltage Reference
LM385BMX-2.5	TI	获取价格	LM185-2.5-N/LM285-2.5-N/LM385-2.5-N Micropower Voltage Reference Diode
LM385BMX-2.5/NOPB	TI	获取价格	LM185-2.5-N/LM285-2.5-N/LM385-2.5-N Micropower Voltage Reference Diode
LM385BMX-2.5-NOPB	TI	获取价格	LM185-2.5-N/LM285-2.5-N/LM385-2.5-N Micropower Voltage Reference Diode
LM385BPW-1-2	TI	获取价格	MICROPOWER VOLTAGE REFERENCES
LM385BPW-2.5	TI	获取价格	IC,VOLT REFERENCE,FIXED,2.5V,BIPOLAR,TSSOP,8PIN,PLASTIC

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