1

TM

File Number

3110.2

HI-DAC80V

12-Bit, Low Cost, Monolithic D/A

Converter

The Hl-DAC80V is a monolithic direct replacement for the

popular DAC80 and AD DAC80. Single chip construction

along with several design innovations make the Hl-DAC80V

the optimum choice for low cost, high reliability applications.

Intersil’ unique Dielectric Isolation (Dl) processing reduces

internal parasitics resulting in fast switching times and

minimum glitch. On board span resistors are provided for

good tracking over temperature, and are laser trimmed to

high accuracy.

Internally the Hl-DAC80V eliminates code dependent ground

currents by routing current from the positive supply to the

internal ground node, as determined by an auxiliary R2R

ladder. This results in a cancellation of code dependent

ground currents allowing virtually zero variation in current

through the package common, pin 21.

The Hl-DAC80V is available as a voltage output device which

includes a buried zener reference featuring a low temperature

coefficient as well as an on board operational amplifier. The

Hl-DAC80V requires only two power supplies and will operate

in the range of

± (11.4V to 16.5V).

Features

• DAC 80V Alternative Source

• Monolithic Construction

• Fast Settling Time (Typ) . . . . . . . . . . . . . . . . . . . . . . 1.5

µs

• Guaranteed Monotonicity

• Wafer Laser Trimmed Linearity, Gain, Offset

• Span Resistors On-Chip

• On-Board Reference

• Supply Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .

±12V

Applications

• High Speed A/D Converters

• Precision Instrumentation

• CRT Display Generation

Pinout

HI-DAC80V

(PDIP)

TOP VIEW

Ordering Information

PART NUMBER

TEMP. RANGE

PACKAGE

PKG. NO.

HI3-DAC80V-5

0 to 75

24 Ld PDIP

E24.6

1

2

3

4

5

6

7

8

9

10

11

12

(MSB) BIT 1

BIT 2

BIT 3

BIT 4

BIT 5

BIT 6

BIT 7

BIT 8

BIT 9

BIT 10

BIT 11

(LSB) BIT 12

16

17

18

19

20

21

22

23

24

15

14

13

6.3V REF OUT

COMMON

 JUNCTION

20V RANGE

BIPOLAR OFFSET

NC

GAIN ADJUST

10V RANGE

REF INPUT

Data Sheet

March 2001

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143

Copyright © Intersil Americas Inc. 2001, All Rights Reserved