LTC7541 Linear Technology Corporation, LTC7541 Datasheet

LTC7541

Manufacturer Part Number

LTC7541

Description

Manufacturer

Linear Technology Corporation

Datasheets

1.LTC7541.pdf (4 pages)

2.LTC7541.pdf (4 pages)

3.LTC7541.pdf (4 pages)

Specifications of LTC7541

Case

DIP18

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APPLICATIONS

FEATURES

TYPICAL

Improved Direct Replacement for AD7541A

and AD7541

4-Quadrant Multiplication

12-Bit End-Point Linearity: 0.5LSB DNL and INL

Over Temperature

All Grades Guaranteed Monotonic

Maximum Gain Error: 1LSB

Single 5V to 15V Supply

TTL and CMOS Logic Compatible

Reduced Sensitivity to Op Amp Offset

Low Power Consumption

Virtually Latch-Up Proof

Low Cost

Motion Control Systems

Microprocessor-Controlled Calibration

Automatic Test Equipment

Programmable Gain Amplifiers

Digitally Controlled Filters

0.1 F

DIGITAL INPUTS

2-Quadrant Multiplying DAC Has Less Than

15V

4 TO 15

0.5LSB (Typ) Total Unadjusted Error

APPLICATION

LTC7541A

REF

GND

OUT 1

OUT 2

33pF

–

1097

7541 TA01

OUT

DESCRIPTION

The LTC

to-analog converter (DAC).

Laser-trimmed thin-film resistors provide excellent abso-

lute accuracy. Precision matched resistors and CMOS

circuitry result in remarkable stability with temperature

and supply variations.

The LTC7541A is a superior pin compatible replacement

for the industry standard AD7541A/AD7541. Improve-

ments include better typical accuracy and stability and

reduced sensitivity to output amplifier offset. The LTC7541A

is also very resistant to latch-up.

In addition to 2-quadrant and 4-quadrant multiplying

configurations, the LTC7541A performs well in digitally

programmable gain and noninverting voltage output ap-

plications. Low cost, improved performance and versatil-

ity make the LTC7541A the best choice for many new

designs and for upgrading existing systems. Parts are

available in 18-pin PDIP and 18-pin SO Wide packages.

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

Industry Standard CMOS

12-Bit Multiplying DAC

7541A is a 12-bit resolution multiplying digital-

–0.5

–1.0

1.0

0.5

Integral Nonlinearity Over Temperature

512

1024

= 85 C

DIGITAL INPUT CODE

1536

2048

= 25 C

= –40 C

2560

Improved

3072

LTC7541A

3584

7541A TA02

4095

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