LTC1446IS8#PBF datasheet, PDF - EEWORLD Datasheet

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LTC1446IS8#PBF: DescriptionIC D/A CONV 12BIT R-R DUAL 8SOIC; CategoryAnalog mixed-signal IC converter; File Size174KB，12 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LTC1446IS8#PBF Overview

IC D/A CONV 12BIT R-R DUAL 8SOIC

LTC1446IS8#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
Maximum analog output voltage	4.145 V
Minimum analog output voltage	4.045 V
Converter type	D/A CONVERTER
Enter bit code	BINARY
Input format	SERIAL
JESD-30 code	R-PDSO-G8
JESD-609 code	e3
length	4.9 mm
Maximum linear error (EL)	0.1221%
Humidity sensitivity level	1
Number of digits	12
Number of functions	2
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
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
power supply	5 V
Certification status	Not Qualified
Maximum seat height	1.75 mm
Nominal settling time (tstl)	14 µs
Maximum slew rate	1.5 mA
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
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
width	3.9 mm

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LTC1446/LTC1446L

Dual 12-Bit Rail-to-Rail

Micropower DACs in SO-8

FEATURES

DESCRIPTIO

Dual DACs with 12-Bit Resolution

SO-8 Package

Rail-to-Rail Output Amplifiers

Internal Reference

Maximum DNL Error: 0.5LSB

3V Operation (LTC1446L): I

= 650µA Typ

5V Operation (LTC1446): I

= 1000µA Typ

Settling Time: 14µs to

±0.5LSB

Power-On Reset Clears DACs to 0V

3-Wire Cascadable Serial Interface with 500kHz

Update Rate

Schmitt Trigger On Input Allows Direct

Optocoupler Interface

Low Cost

The LTC

1446/LTC1446L are dual 12-bit digital-to-analog

converters (DACs) available in an SO-8 package. They are

complete with a rail-to-rail voltage output amplifier, an

internal reference and an easy-to-use 3-wire cascadable

serial interface.

The LTC1446 has an internal reference and a full-scale

output of 4.095V. It operates from a single 4.5V to 5.5V

supply.

The LTC1446L has an internal reference and a full-scale

output of 2.5V. It operates from a single 2.7V to 5.5V

supply.

The low power supply current makes the LTC1446 family

ideal for battery-powered applications. These DACs are

available in space saving 8-pin SO and PDIP packages and

require no external components for operation.

APPLICATIO S

Digital Calibration

Industrial Process Control

Automatic Test Equipment

Cellular Telephones

, LTC and LT are registered trademarks of Linear Technology Corporation.

TYPICAL APPLICATION

Functional Block Diagram: Dual 12-Bit Rail-to-Rail DAC

2 D

LTC1446: 5V

LTC1446L: 3V TO 5V

12-BIT

DAC B

OUT B

1 CLK

3 CS/LD

24-BIT

SHIFT

REG

AND

DAC

LATCH

12-BIT

DAC A

4 D

OUT

POWER-ON

RESET

GND

1446/1446L TA01

DNL ERROR (LSB)

µP

–

RAIL-TO-RAIL

VOLTAGE

OUTPUT

–

OUT A

Differential Nonlinearity vs Input Code

0.5

0.4

0.3

0.2

0.1

–0.1

–0.2

–0.3

–0.4

–0.5

512 1024 1536 2048 2560 3072 3584 4095

CODE

1446/46L G13

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