LM285M-1.2X

更新时间： 2024-09-14 13:01:23

品牌	Logo	应用领域
德州仪器 - TI		二极管光电二极管
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23页	1210K
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LM285M-1.2X 数据手册

LM185-1.2-N, LM285-1.2-N, LM385-1.2-N

www.ti.com

SNVS742E –JANUARY 2000–REVISED APRIL 2013

LM185-1.2-N/LM285-1.2-N/LM385-1.2-N Micropower Voltage Reference Diode

Check for Samples: LM185-1.2-N, LM285-1.2-N, LM385-1.2-N

Careful design of the LM185-1.2-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.

•

±1% and 2% Initial Tolerance

Operating Current of 10μA to 20mA

1Ω Dynamic Impedance

•

Low Temperature Coefficient

Low Voltage Reference—1.235V

The extremely low power drain of the LM185-1.2-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.

2.5V Device and Adjustable Device Also

Available

•

LM185-2.5 Series and LM185 Series,

respectively

Further, the wide operating current allows it to

replace older references with a tighter tolerance part.

DESCRIPTION

The LM185-1.2-N is rated for operation over a −55°C

to 125°C temperature range while the LM285-1.2-N is

rated −40°C to 85°C and the LM385-1.2-N 0°C to

70°C. The LM185-1.2-N/LM285-1.2-N are available in

a hermetic TO package and the LM285-1.2-N/LM385-

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

package, as well as SOIC and SOT-23.

The LM185-1.2-N/LM285-1.2-N/LM385-1.2-N are

micropower 2-terminal band-gap voltage regulator

diodes. Operating 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 LM185-1.2-N band-gap reference uses only

transistors and resistors, low noise and good long

term stability result.

CONNECTION DIAGRAM

Figure 1. T0-92 Package (LP)

(Bottom View)

Figure 3. SOIC Package

* Pin 3 is attached to the Die Attach Pad

(DAP) and should be connected to Pin 2 or

left floating.

Figure 2. SOT-23

Figure 4. TO Package (NDV)

(Bottom 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LM285M-1.2X相关器件

型号	品牌	获取价格	描述	数据表
LM285M-1.2X/NOPB	NSC	获取价格	1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.235V, PDSO8, LEAD FREE, SOP-8
LM285M-2.5	NSC	获取价格	Micropower Voltage Reference Diode
LM285M-2.5/NOPB	TI	获取价格	LM185-2.5-N/LM285-2.5-N/LM385-2.5-N Micropower Voltage Reference Diode
LM285M-2.5X	TI	获取价格	1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5V, PDSO8, SOP-8
LM285M-25	TI	获取价格	LM185-2.5-N/LM285-2.5-N/LM385-2.5-N Micropower Voltage Reference Diode
LM285MX	TI	获取价格	LM185/LM285/LM385 Adjustable Micropower Voltage References
LM285MX/NOPB	TI	获取价格	LM185/LM285/LM385 Adjustable Micropower Voltage References
LM285MX-1.2	ETC	获取价格	Voltage Reference
LM285MX-1.2/NOPB	TI	获取价格	LM185-1.2-N/LM285-1.2-N/LM385-1.2-N Micropower Voltage Reference Diode
LM285MX-2.5	ETC	获取价格	Voltage Reference

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