LT6657BHMS8-4.096#TRPBF datasheet, PDF

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LT6657BHMS8-4.096#TRPBF: DescriptionIC VREF SERIES 4.096V 8MSOP; Categorysemiconductor Power management; File Size1MB，24 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LT6657BHMS8-4.096#TRPBF Overview

IC VREF SERIES 4.096V 8MSOP

LT6657BHMS8-4.096#TRPBF Parametric

Parameter Name	Attribute value
Reference type	series
Output type	fixed
Voltage - Output (minimum/fixed)	4.096V
Current - Output	10mA
Tolerance	±0.1%
Temperature Coefficient	3ppm/°C
Noise - 0.1Hz to 10Hz	0.5ppmp-p
Noise - 10Hz to 10Hz	0.8ppmrms
Voltage - input	4.596 V ~ 36 V
Current - Power	1.2mA
Operating temperature	-40°C ~ 125°C （TJ）
Installation type	surface mount
Package/casing	8-TSSOP, 8-MSOP (0.118", 3.00mm wide)
Supplier device packaging	8-MSOP

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LT6657

1.5ppm/°C Drift, Low Noise,

Buffered Reference

FeaTures

DescripTion

The

6657

is a precision voltage reference that combines

robust operating characteristics with extremely low drift

and low noise. With advanced curvature compensation,

this bandgap reference achieves 1.5ppm/°C drift with

predictable temperature behavior, and an initial voltage

accuracy of 0.1%. It also offers 0.5ppm

P-P

noise and very

low temperature cycling hysteresis.

The LT6657 is a low dropout reference that can be powered

from as little as 50mV above the output voltage, up to 40V.

The buffered output supports ±10mA of output drive with

low output impedance and precise load regulation. The

high sink current capability allows operation as a negative

voltage reference with the same precision as a positive

reference. This part is safe under reverse battery condi-

tions, and includes current protection when the output is

short-circuited and thermal shutdown for overload condi-

tions. A shutdown is included to allow power reduction

while enabling a quick turn-on.

The LT6657 is fully specified over the temperature range of

–40°C to 125°C. It is available in the 8-lead MSOP package.

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.

Low Drift

A Grade: 1.5ppm/°C Max

B Grade: 3ppm/°C Max

Low Noise:

0.5ppm

P-P

(0.1Hz to 10Hz)

0.8ppm

RMS

(10Hz to 1kHz)

Wide Supply Range to 40V

Sources and Sinks 10mA Min

Line Regulation: 0.2ppm/V

Load Regulation: 2µV/mA

Reverse Supply Protection

Reverse Output Protection

Low Power Shutdown: <4µA Max

1.5V Min Supply for 1.25V Option

Thermal Protection

Can Operate in Shunt Mode

Configurable as a Negative Reference

Available Output Voltage Options: 1.25V, 2.5V, 3V,

4.096V, 5V

MSOP-8 Package

applicaTions

High Temperature Industrial

High Resolution Data Acquisition Systems

Instrumentation and Process Control

Automotive Control and Monitoring

Medical Equipment

Shunt and Negative Voltage References

OUTPUT VOLTAGE CHANGE (NORMALIZED) (PPM)

Typical applicaTion

Basic Connection

Output Voltage Temperature Drift

200

THREE TYPICAL PARTS

100

1ppm/°C BOX

OUT

+ 50mV) < V

< 40V

0.1µF

LT6657

SHDN

GND

OUT

1µF

6657 TA01a

–100

–200

–45

–20

TEMPERATURE (°C)

105

130

6657 TA01b

6657fd

For more information

www.linear.com/LT6657

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