LTC1665 datasheet(18/18 Pages) LINER

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LTC1665/LTC1660

166560fa

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

LT 0112 REV A • PRINTED IN USA

RELATED PARTS

TYPICAL APPLICATION

PART NUMBER

DESCRIPTION

COMMENTS

LTC1661

Dual 10-Bit VOUT DAC in 8-Lead MSOP Package

VCC = 2.7V to 5.5V Micropower Rail-to-Rail Output

LTC1663

Single 10-Bit VOUT DAC in SOT-23 Package

VCC = 2.7V to 5.5V, Internal Reference, 60μA

LTC1446/

LTC1446L

Dual 12-Bit VOUT DACs in SO-8 Package with Internal Reference

LTC1446: VCC = 4.5V to 5.5V, VOUT = 0V to 4.095V

LTC1446L: VCC = 2.7V to 5.5V, VOUT = 0V to 2.5V

LTC1448

Dual 12-Bit VOUT DAC in SO-8 Package

VCC = 2.7V to 5.5V, External Reference Can Be Tied to VCC

LTC1454/

LTC1454L

Dual 12-Bit VOUT DACs in SO-16 Package with Added Functionality LTC1454: VCC = 4.5V to 5.5V, VOUT = 0V to 4.095V

LTC1454L: VCC = 2.7V to 5.5V, VOUT = 0V to 2.5V

LTC1458/

LTC1458L

Quad 12-Bit Rail-to-Rail Output DACs with Added Functionality

LTC1458: VCC = 4.5V to 5.5V, VOUT = 0V to 4.095V

LTC1458L: VCC = 2.7V to 5.5V, VOUT = 0V to 2.5V

LTC1590

Dual 12-Bit IOUT DAC in SO-16 Package

VCC = 4.5V to 5.5V, 4-Quadrant Multiplication

LTC1659

Single Rail-to-Rail 12-Bit VOUT DAC in 8-Lead MSOP Package

VCC: 2.7V to 5.5V

Low Power Multiplying VOUT DAC. Output Swings from GND to

REF. REF Input Can Be Tied to VCC

LT1460

Micropower Precision Series Reference, 2.5V, 5V, 10V Versions

0.075% Max, 10ppm/°C Max, Only 130μA Supply Current

DAC A

CLR

VCC

REF

U1 LTC1660

0.1μF

VH´ = VH + ΔVH

VL´ = VL + VL

VL´

(FROM MAIN DAC)

10V

–5V

50k

GND

166560 TA03

DAC B

0.1μF

50k

–

U2A

LT1369

QUAD

0.1μF

LOGIC

DRIVE

PIN DRIVER

(1 OF 2)

DAC C

DAC D

DAC H

DAC G

DAC F

DAC E

CS/LD

SCK

DIN

–

U2B

LT1369

QUAD

VOUT

CODE A

512

CODE B

1023

512

ΔVH, ΔVL

– 250mV

+ 250mV

VA = VC = 2.5V

For Resistor Values Shown:

Adjustment Range = 250mV

Adjustment Step Size = 500μV

Note: DACs E Through H Can Be

Conﬁgured for a Second Pin Driver

With U2C and U2D of the LT1369

VH´ = VH +

(VA – VB)

VL´ = VL +

(VC – VD)

VH´

A Pin Driver VH and VL Adjustment Circuit for ATE Applications

LTC1665 Datasheet(PDF) 18 Page - Linear Technology

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