LT6657BHMS8-4.096#PBF datasheet, PDF

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LT6657BHMS8-4.096#PBF: DescriptionReference voltage 3ppm/Â°C Drift, Low Noise, Buffered Reference; CategoryPower/power management The power supply circuit; File Size1MB，24 Pages; ManufacturerADI; Websitehttps://www.analog.com; Environmental Compliance

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LT6657BHMS8-4.096#PBF Overview

Reference voltage 3ppm/Â°C Drift, Low Noise, Buffered Reference

LT6657BHMS8-4.096#PBF Parametric

Parameter Name	Attribute value
Brand Name	Analog Devices Inc
Is it lead-free?	Contains lead
Is it Rohs certified?	conform to
package instruction	TSSOP,
Contacts	8
Manufacturer packaging code	05-08-1660
Reach Compliance Code	compliant
Analog Integrated Circuits - Other Types	THREE TERMINAL VOLTAGE REFERENCE
JESD-30 code	S-PDSO-G8
JESD-609 code	e3
length	3 mm
Humidity sensitivity level	1
Number of functions	1
Output times	1
Number of terminals	8
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Maximum output voltage	4.100096 V
Minimum output voltage	4.091904 V
Nominal output voltage	4.096 V
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
Maximum seat height	1.1 mm
Maximum supply voltage (Vsup)	40 V
Minimum supply voltage (Vsup)	4.596 V
surface mount	YES
Maximum voltage temperature coefficient	3 ppm/°C
Temperature level	AUTOMOTIVE
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
Fine-tuning/adjustable output	NO
width	3 mm
Base Number Matches	1

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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

LT6657BHMS8-4.096#PBF Related Products

	LT6657BHMS8-4.096#PBF	LT6657AHMS8-4.096#PBF	LT6657AHMS8-4.096#TRPBF	LT6657BHMS8-4.096#TRPBF
Description	Reference voltage 3ppm/Â°C Drift, Low Noise, Buffered Reference	Reference voltage1.5ppm/Â°C Drift, Low Noise, Buffered Reference	Reference voltage1.5ppm/Â°C Drift, Low Noise, Buffered Reference	Reference voltage 3ppm/Â°C Drift, Low Noise, Buffered Reference
Maximum operating temperature	125 °C	125 °C	+ 125 C	125 °C
Minimum operating temperature	-40 °C	-40 °C	- 40 C	-40 °C
Brand Name	Analog Devices Inc	Analog Devices Inc	-	Analog Devices Inc
Is it lead-free?	Contains lead	Contains lead	-	Contains lead
Is it Rohs certified?	conform to	conform to	-	conform to
package instruction	TSSOP,	TSSOP,	-	TSSOP,
Contacts	8	8	-	8
Manufacturer packaging code	05-08-1660	05-08-1660	-	05-08-1660
Reach Compliance Code	compliant	compliant	-	compliant
Analog Integrated Circuits - Other Types	THREE TERMINAL VOLTAGE REFERENCE	THREE TERMINAL VOLTAGE REFERENCE	-	THREE TERMINAL VOLTAGE REFERENCE
JESD-30 code	S-PDSO-G8	S-PDSO-G8	-	S-PDSO-G8
JESD-609 code	e3	e3	-	e3
length	3 mm	3 mm	-	3 mm
Humidity sensitivity level	1	1	-	1
Number of functions	1	1	-	1
Output times	1	1	-	1
Number of terminals	8	8	-	8
Maximum output voltage	4.100096 V	4.100096 V	-	4.100096 V
Minimum output voltage	4.091904 V	4.091904 V	-	4.091904 V
Nominal output voltage	4.096 V	4.096 V	-	4.096 V
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	-	PLASTIC/EPOXY
encapsulated code	TSSOP	TSSOP	-	TSSOP
Package shape	SQUARE	SQUARE	-	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	-	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260	260	-	260
Maximum seat height	1.1 mm	1.1 mm	-	1.1 mm
Maximum supply voltage (Vsup)	40 V	40 V	-	40 V
Minimum supply voltage (Vsup)	4.596 V	4.596 V	-	4.596 V
surface mount	YES	YES	-	YES
Maximum voltage temperature coefficient	3 ppm/°C	1.5 ppm/°C	-	3 ppm/°C
Temperature level	AUTOMOTIVE	AUTOMOTIVE	-	AUTOMOTIVE
Terminal surface	MATTE TIN	MATTE TIN	-	Matte Tin (Sn)
Terminal form	GULL WING	GULL WING	-	GULL WING
Terminal pitch	0.65 mm	0.65 mm	-	0.65 mm
Terminal location	DUAL	DUAL	-	DUAL
Maximum time at peak reflow temperature	30	30	-	30
Fine-tuning/adjustable output	NO	NO	-	NO
width	3 mm	3 mm	-	3 mm
Base Number Matches	1	1	-	1

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