LM385B datasheet(3/7 Pages) AIC

部件名	LM385B

功能描述	Adjustable Micropower Voltage Reference

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制造商	AIC [Analog Intergrations Corporation]

网页	http://www.analog.com.tw

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LM385/LM385B

3

n ELECTRICAL CHARACTERISTICS (T

A=25

°C, unless otherwise specified.)

PARAMETER

TEST CONDITIONS

SYMBOL MIN.

TYP.

MAX.

UNIT

Reverse Voltage

IR=100µA

LM385B

LM385

VR

1.228

1.215

1.240

1.252

1.265

V

Reverse Voltage Change with

Current

IRMIN ≤IR ≤1mA

1mA

≤IR ≤20mA

∆VR

0.2

5

1

15

mV

Minimum Operating Current

VOUT=1.24V

VOUT=5.3V

IRMIN

7

35

11

55

µA

Dynamic Output Impedance

IR=100µA, f=100Hz

IAC=0.1IR, VOUT=1.24V,

VOUT=5.3V

ZR

0.4

1

Ω

Reference Voltage Change with

Output Voltage

IR=100µA

2

5

mV

Feedback Current

IFB

8

20

nA

Output Wideband Noise

IR=100µA, 10Hz<f<10KHz

VOUT=1.24V,

VOUT=5.3V

eN

50

170

µVRMS

Average Temperature

Coefficient (Note)

IR=100µA

αVR

100

ppm/

°C

Long Term Stability

IR=100µA, T=1000Hrs,

TA=25°C±0.1°C

∆VR/∆t

20

ppm

Note :

The average temperature coefficient is defined as the maximum deviation of reverse voltage at all

measured temperatures from TMIN to TMAX, divided by TMAX - TMIN. The measured temperatures are

0

°C, 25°C, 50°C and 70°C.

n TYPICAL PERFORMANCE CHARACTERISTICS

0.01

0.1

1

10

100

0

0.2

0.4

0.6

0.8

1.0

Fig. 1 Forward characteristics

Forward Current (mA)

TA= -55°C

TA= 25°C

TA= 125 °C

Fig. 2 Reverse Characteristics

100

0

0.2

0.4

0.6

0.8

1

1.2

1.4

0.1

1

10

TA= -55 °C

TA= 25°C

TA= 125°C

Reverse Voltage (V)

类似零件编号 - LM385B

制造商	部件名	数据表	功能描述
Microsemi Corporation	LM385B	154Kb / 7P	1.2 & 2.5V MICROPOWER VOLTAGE REFERENCE
ON Semiconductor	LM385B	88Kb / 9P	Micropower Voltage Reference Diodes November, 2005 ??Rev. 7
	LM385B	114Kb / 9P	Micropower Voltage Reference Diodes March, 2008 - Rev. 8
	LM385B	102Kb / 9P	Micropower Voltage Reference Diodes March, 2008 - Rev. 8
	LM385B	102Kb / 9P	Micropower Voltage Reference Diodes March, 2008 - Rev. 8

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类似说明 - LM385B

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