Datasheet > LM285MX-25

LM285MX-25

更新时间： 2024-09-14 12:05:51

品牌	Logo	应用领域
德州仪器 - TI		二极管
页数	文件大小	规格书
22页	1194K
描述
LM185-2.5-N/LM285-2.5-N/LM385-2.5-N Micropower Voltage Reference Diode

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LM285MX-25 数据手册

LM185-2.5-N, LM285-2.5-N, LM385-2.5-N

www.ti.com

SNVS743D –DECEMBER 1999–REVISED MARCH 2013

LM185-2.5-N/LM285-2.5-N/LM385-2.5-N Micropower Voltage Reference Diode

Check for Samples: LM185-2.5-N, LM285-2.5-N, LM385-2.5-N

Careful design of the LM185-2.5-N has made the

FEATURES

device exceptionally 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.

•

±20 mV (±0.8%) max. Initial Tolerance (A

Grade)

•

Operating Current of 20 μA to 20 mA

0.6Ω Dynamic Impedance (A Grade)

Low Temperature Coefficient

The extremely low power drain of the LM185-2.5-N

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. For applications requiring

1.2V see LM185-1.2.

Low Voltage Reference—2.5V

1.2V Device and Adjustable Device Also

Available—LM185-1.2 Series and LM185

Series, respectively

DESCRIPTION

The LM185-2.5-N/LM285-2.5-N/LM385-2.5-N are

micropower 2-terminal band-gap voltage regulator

diodes. Operating over a 20 μA to 20 mA current

range, they feature exceptionally low dynamic

impedance and good temperature stability. On-chip

trimming is used to provide tight voltage tolerance.

Since the LM-185-2.5-N band-gap reference uses

only transistors and resistors, low noise and good

long term stability result.

The LM185-2.5-N is rated for operation over a −55°C

to 125°C temperature range while the LM285-2.5-N is

rated −40°C to 85°C and the LM385-2.5-N 0°C to

70°C. The LM185-2.5-N/LM285-2.5-N are available in

a hermetic TO package and the LM285-2.5-N/LM385-

2.5-N are also available in a low-cost TO-92 molded

package, as well as SOIC and SOT-23. The LM185-

2.5-N is also available in a hermetic leadless chip

carrier package.

Connection Diagram

Figure 1. TO-92 Package

(Bottom View)

Figure 2. SOIC Package

See Package Number D0008A

See Package Number LP0003A

* Pin 3 is attached to the Die Attach Pad (DAP) and should be connected to Pin 2 or left floating.

Figure 3. SOT-23

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...22

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与LM285MX-25相关器件

型号	品牌	获取价格	描述	数据表
LM285S8-2.5	Linear	获取价格	Micropower Voltage Reference
LM285S8-2.5#PBF	Linear	获取价格	IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO8, 0.150 INCH, PLASTIC, SOP-8, Voltage
LM285S8-2.5#TR	Linear	获取价格	IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO8, 0.150 INCH, PLASTIC, SOP-8, Voltage
LM285S8-2.5#TRPBF	Linear	获取价格	IC 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO8, PLASTIC, SOIC-8, Voltage Reference
LM285Z	NSC	获取价格	Adjustable Micropower Voltage References
LM285Z	TI	获取价格	LM185/LM285/LM385 Adjustable Micropower Voltage References
LM285Z/NOPB	TI	获取价格	LM185/LM285/LM385 Adjustable Micropower Voltage References
LM285Z1.2	MOTOROLA	获取价格	IC,VOLT REFERENCE,FIXED,1.2V,BIPOLAR,SIP,3PIN,PLASTIC
LM285Z-1.2	Linear	获取价格	Micropower Voltage Reference
LM285Z-1.2	MOTOROLA	获取价格	MICROPOWER VOLTAGE REFERENCE DIODES

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