Datasheet > LM385B-2.5LP

LM385B-2.5LP

更新时间： 2024-11-12 23:47:03

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描述
Voltage Reference - Micropower

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LM385B-2.5LP 数据手册

LIN DOC #: 385

LM385/385B

1.2 & 2.5V MICROPOWER

OLTAGE

EFERENCE

T H E I N F I N I T E P O W E R O F I N N O V A T I O N

P R O D U C T I O N D A T A S H E E T

DESCRIPTION

KEY FEATURES

■ GUARANTEED 1% INITIAL ACCURACY

The LM385/385B Micropower Voltage

References are two terminal bandgap

reference diodes designed and optimized

for accurate low power operation in

portable and other power sensitive

systems. Operating currents are

guaranteed from as low as 15µA up to

20mA for the LM385/385B-1.2, and 20µA

up to 20mA for the LM385/385B-2.5,

giving designers a great deal of flexibility

in optimizing power consumption, noise

andultimateapplicationperformance. As

an added feature, the references output

impedanceisextraordinarilylowoverthe

entire operating range of quiescent

currents. This enables an extremely wide

dynamic load range with little effect on

the overall reference accuracy.

The LM385 family is available in fixed

(LM385B-1.2)

■ GUARANTEED 2.5% INITIAL ACCURACY

(LM385-1.2)

■ GUARANTEED 1.5% INITIAL ACCURACY

(LM385B-2.5)

■ GUARANTEED 3% INITIAL ACCURACY

(LM385-2.5)

p GUARANTEED 20µA OPERATING CURRENT

p LOW TEMPERATURE COEFFICIENT

1.2V and 2.5V reference values. Process

and circuit design optimization provide

for high accuracy with initial tolerance

values of 1% for the LM385B-1.2, 2% for

the LM385-1.2, 1.5% for the LM385B-2.5,

and

for

the

LM385-2.5.

Complementing their initial accuracy, the

bandgap reference is temperature

compensated to deliver 20ppm

performance over the 0° to 70°C

operating temperature range.

The LM385 family from Linfinity is a

pin-for-pin replacement for the LM385/

385B family of voltage references.

p OPERATING CURRENT OF 20µA TO 20mA

p VERY LOW DYNAMIC IMPEDANCE . . . 1Ω

APPLICATIONS

■ PORTABLE METER REFERENCES

p PORTABLE TEST INSTRUMENTS

p BATTERY OPERATED SYSTEMS

p CURRENT LOOP INSTRUMENTATION

PRODUCT HIGHLIGHT

MICROPOWER REFERENCE FROM

1.2V REFERENCE

9V BATTERY

200k

38k

2.5V

1.2V

LM385-2.5V

LM385-1.2V

PACKAGE ORDER INFORMATION

Reference

Voltage

Initial

Tolerance

Plastic SOIC

8-pin

Plastic TO-92

3-pin

T_A(°C)

±±30V

±120V

±750V

±±80V

LM±85DM-1.2

LM±85BDM-1.2

LM±85DM-2.5

LM±85BDM-2.5

LM±85LP-1.2

LM±85BLP-1.2

LM±85LP-2.5

LM±85BLP-2.5

1.2V

3 to 73

2.5V

Note: All surface-mount packages are available in Tape & Reel.

Append the letter "T" to part number. (i.e. LM385DM-2.5T)

F O R F U R T H E R I N F O R M AT I O N C A L L ( 7 1 4 ) 8 9 8 - 8 1 2 1

Rev. 1.2 7/96

11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841

12 3 4 5 6 7

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与LM385B-2.5LP相关器件

型号	品牌	获取价格	描述	数据表
LM385B-2.5V	TELCOM	获取价格	LOW POWER, BANDGAP VOLTAGE REFERENCES
LM385B-2-5	TI	获取价格	MICROPOWER VOLTAGE REFERENCES
LM385BCH-2.5	Linear	获取价格	IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, MBCY2, Voltage Reference
LM385BCOA-1.2	TELCOM	获取价格	LOW POWER, BANDGAP VOLTAGE REFERENCES
LM385BCOA-2.5	TELCOM	获取价格	LOW POWER, BANDGAP VOLTAGE REFERENCES
LM385BCZ-2.5	Linear	获取价格	IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PBCY3, TO-92, 3 PIN, Voltage Reference
LM385BCZB-1.2	TELCOM	获取价格	LOW POWER, BANDGAP VOLTAGE REFERENCES
LM385BCZB-2.5	TELCOM	获取价格	LOW POWER, BANDGAP VOLTAGE REFERENCES
LM385BD1.2	MOTOROLA	获取价格	Voltage Reference, 1.2V, BIPolar, PDSO8
LM385BD-1.2	TI	获取价格	MICROPOWER VOLTAGE REFERENCES

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