LT1461AIS8-3#PBF datasheet, PDF

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LT1461AIS8-3#PBF: DescriptionIC VREF SERIES 3V 8SOIC; CategoryPower/power management The power supply circuit; File Size2MB，18 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LT1461AIS8-3#PBF Overview

IC VREF SERIES 3V 8SOIC

LT1461AIS8-3#PBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	SOIC
package instruction	SOP, SOP8,.25
Contacts	8
Manufacturer packaging code	S8
Reach Compliance Code	compliant
ECCN code	EAR99
Analog Integrated Circuits - Other Types	THREE TERMINAL VOLTAGE REFERENCE
JESD-30 code	R-PDSO-G8
JESD-609 code	e3
length	4.9 mm
Humidity sensitivity level	1
Number of functions	1
Output times	1
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Maximum output voltage	3.0012 V
Minimum output voltage	2.9988 V
Nominal output voltage	3 V
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1.75 mm
Maximum supply voltage (Vsup)	20 V
Minimum supply voltage (Vsup)	3.5 V
Nominal supply voltage (Vsup)	5.5 V
surface mount	YES
technology	BIPOLAR
Maximum voltage temperature coefficient	3 ppm/°C
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
Fine-tuning/adjustable output	NO
Maximum voltage tolerance	0.04%
width	3.9 mm

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LT1461

Micropower Precision

Low Dropout Series

Voltage Reference Family

FeaTures

DescripTion

The

1461

is a family of low dropout micropower band-

gap references that combine very high accuracy and low

drift with low supply current and high output drive. These

series references use advanced curvature compensation

techniques to obtain low temperature coefficient and

trimmed precision thin-film resistors to achieve high

output accuracy. The LT1461 family draws only 35µA

of supply current, making them ideal for low power and

portable applications, however their high 50mA output

drive makes them suitable for higher power requirements,

such as precision regulators.

In low power applications, a dropout voltage of less than

300mV ensures maximum battery life while maintaining

full reference performance. Line regulation is nearly im-

measurable, while the exceedingly good load and ther-

mal regulation will not add significantly to system error

budgets. The shutdown feature can be used to switch full

load currents and can be used for system power down.

Thermal shutdown protects the part from overload condi-

tions. The LT1461 is available in 2.5V, 3V, 3.3V 4.096V

and 5V options.

LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

Trimmed to High Accuracy: 0.04% Max

Low Drift: 3ppm/°C Max

Low Supply Current: 50µA Max

High Output Current: 50mA Min

Low Dropout Voltage: 300mV Max

Excellent Thermal Regulation

Power Shutdown

Thermal Limiting

All Parts Guaranteed Functional from –40°C to 125°C

Voltage Options: 2.5V, 3V, 3.3V, 4.096V and 5V

applicaTions

A/D and D/A Converters

Precision Regulators

Handheld Instruments

Power Supplies

Typical applicaTion

Basic Connection

OUT

+ 0.3V) ≤ V

≤ 20V

1µF

LT1461

2µF

1461 TA01

LT1461-2.5 Load Regulation, P

DISS

= 200mW

OUT

20mA

0mA

OUT

LOAD REG

1mV/DIV

10ms/DIV

1461 TA02

1461fb

For more information

www.linear.com/LT1461

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