LTC1257IS8#PBF datasheet, PDF - EEWORLD Datasheet

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LTC1257IS8#PBF: DescriptionDAC 1-CH Resistor-String 12-bit 8-Pin SOIC N Tube; File Size189KB，12 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LTC1257IS8#PBF Overview

DAC 1-CH Resistor-String 12-bit 8-Pin SOIC N Tube

LTC1257IS8#PBF Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
HTS	8542.39.00.01
Converter Type	General Purpose
Architecture	Resistor-String
Resolution	12bit
Number of DAC Channels	1
Number of Outputs per Chip	1
Maximum Settling Time (us)	6
Digital Interface Type	Serial (3-Wire)
Output Type	Voltage
Output Polarity	Unipolar
Voltage Reference	Internal\|External
Minimum Single Supply Voltage (V)	4.75
Typical Single Supply Voltage (V)	5\|9\|12\|15
Maximum Single Supply Voltage (V)	15.75
Power Supply Type	Single
Integral Nonlinearity Error	±4LSB
Full Scale Error	±2LSB
Digital Supply Support	No
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Packaging	Tube
Pin Count	8
Standard Package Name	SOP
Supplier Package	SOIC N
Mounting	Surface Mount
Package Height	1.5(Max)
Package Length	5(Max)
Package Width	3.99(Max)
PCB changed	8
Lead Shape	Gull-wing

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LTC1257

Complete Single Supply

12-Bit Voltage Output

DAC in SO-8

FEATURES

DESCRIPTION

The LTC

1257 is a complete single supply, 12-bit voltage

output D/A converter (DAC) in an SO-8 package. The

LTC1257 includes an output buffer amplifier, 2.048V volt-

age reference and an easy to use 3-wire cascadable serial

interface. An external reference can be used to override

the internal reference and extend the output voltage range

to 12V. The power supply current is a low 350µA when

operating from a 5V supply, making the LTC1257 ideal

for battery-powered applications. The space-saving 8-pin

SO package and operation with no external components

provide the smallest 12-bit D/A system available.

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.

8-Pin SO Package

Buffered Voltage Output

Built-In 2.048V Reference

500µV/LSB with 2.048V Full Scale

1/2LSB Max DNL Error

Guaranteed 12-Bit Monotonic

3-Wire Cascadable Serial Interface

Wide Single Supply Range: V

= 4.75V to 15.75V

Low Power: I

Typ = 350µA with 5V Supply

APPLICATIONS

Digital Offset/Gain Adjustment

Industrial Process Control

Automatic Test Equipment

TYPICAL APPLICATION

Daisy-Chained Control Outputs

0.5

Differential Nonlinearity

vs Input Code

0.1µF

CONTROL OUTPUT 1

OUT

LTC1257

GND V

REF

LOAD

OUT

µP

DNL ERROR (LSBs)

CLK

0.0

0.1µF

CONTROL OUTPUT 2

OUT

LTC1257

GND V

REF

CLK

LOAD

OUT

TO NEXT DAC

1257 TA01

–0.5

512 1024 1536 2048 2560 3072 3584 4098

CODE

1257 TA05

1257fc

LTC1257IS8#PBF Related Products

	LTC1257IS8#PBF	LTC1257CN8#PBF	LTC1257CS8#PBF	LTC1257CS8#TR	LTC1257CS8#TRPBF	LTC1257IN8#PBF	LTC1257IS8#TR	LTC1257IS8#TRPBF
Description	DAC 1-CH Resistor-String 12-bit 8-Pin SOIC N Tube	DAC 1-CH Resistor-String 12-bit 8-Pin PDIP N Tube	DAC 1-CH Resistor-String 12-bit 8-Pin SOIC N Tube	DAC 1-CH Resistor-String 12-bit 8-Pin SOIC N T/R	DAC 1-CH Resistor-String 12-bit 8-Pin SOIC N T/R	DAC 1-CH Resistor-String 12-bit 8-Pin PDIP N Tube	DAC 1-CH Resistor-String 12-bit 8-Pin SOIC N T/R	DAC 1-CH Resistor-String 12-bit 8-Pin SOIC N T/R
EU restricts the use of certain hazardous substances	Compliant	Compliant	Compliant	Not Compliant	Compliant	Compliant	Not Compliant	Compliant
ECCN (US)	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Part Status	Active	Active	Active	Unconfirmed	Active	Active	Unconfirmed	Active
HTS	8542.39.00.01	8542.39.00.01	8542.39.00.01	8542.39.00.01	8542.39.00.01	8542.39.00.01	8542.39.00.01	8542.39.00.01
Converter Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Architecture	Resistor-String	Resistor-String	Resistor-String	Resistor-String	Resistor-String	Resistor-String	Resistor-String	Resistor-String
Resolution	12bit	12bit	12bit	12bit	12bit	12bit	12bit	12bit
Number of DAC Channels	1	1	1	1	1	1	1	1
Number of Outputs per Chip	1	1	1	1	1	1	1	1
Maximum Settling Time (us)	6	6	6	6	6	6	6	6
Digital Interface Type	Serial (3-Wire)	Serial (3-Wire)	Serial (3-Wire)	Serial (3-Wire)	Serial (3-Wire)	Serial (3-Wire)	Serial (3-Wire)	Serial (3-Wire)
Output Type	Voltage	Voltage	Voltage	Voltage	Voltage	Voltage	Voltage	Voltage
Output Polarity	Unipolar	Unipolar	Unipolar	Unipolar	Unipolar	Unipolar	Unipolar	Unipolar
Voltage Reference	Internal\|External	Internal\|External	Internal\|External	External\|Internal	Internal\|External	Internal\|External	Internal\|External	Internal\|External
Minimum Single Supply Voltage (V)	4.75	4.75	4.75	4.75	4.75	4.75	4.75	4.75
Typical Single Supply Voltage (V)	5\|9\|12\|15	5\|9\|12\|15	5\|9\|12\|15	15\|12\|9\|5	5\|9\|12\|15	5\|9\|12\|15	5\|9\|12\|15	5\|9\|12\|15
Maximum Single Supply Voltage (V)	15.75	15.75	15.75	15.75	15.75	15.75	15.75	15.75
Power Supply Type	Single	Single	Single	Single	Single	Single	Single	Single
Integral Nonlinearity Error	±4LSB	±3.5LSB	±3.5LSB	±3.5LSB	±3.5LSB	±4LSB	±4LSB	±4LSB
Full Scale Error	±2LSB	±2LSB	±2LSB	±2LSB	±2LSB	±2LSB	±2LSB	±2LSB
Digital Supply Support	No	No	No	No	No	No	No	No
Maximum Operating Temperature (°C)	85	70	70	70	70	85	85	85
Packaging	Tube	Tube	Tube	Tape and Reel	Tape and Reel	Tube	Tape and Reel	Tape and Reel
Pin Count	8	8	8	8	8	8	8	8
Standard Package Name	SOP	DIP	SOP	SOP	SOP	DIP	SOP	SOP
Supplier Package	SOIC N	PDIP N	SOIC N	SOIC N	SOIC N	PDIP N	SOIC N	SOIC N
Mounting	Surface Mount	Through Hole	Surface Mount	Surface Mount	Surface Mount	Through Hole	Surface Mount	Surface Mount
Package Height	1.5(Max)	3.3	1.5(Max)	1.5(Max)	1.5(Max)	3.3	1.5(Max)	1.5(Max)
Package Length	5(Max)	10.16(Max)	5(Max)	5(Max)	5(Max)	10.16(Max)	5(Max)	5(Max)
Package Width	3.99(Max)	6.48	3.99(Max)	3.99(Max)	3.99(Max)	6.48	3.99(Max)	3.99(Max)
PCB changed	8	8	8	8	8	8	8	8
Lead Shape	Gull-wing	Through Hole	Gull-wing	Gull-wing	Gull-wing	Through Hole	Gull-wing	Gull-wing

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