HI3-DAC85V-4 INTERSIL [Intersil Corporation], HI3-DAC85V-4 Datasheet

HI3-DAC85V-4

Manufacturer Part Number

HI3-DAC85V-4

Description

12-Bit, Low Cost, Monolithic D/A Converters

Manufacturer

INTERSIL [Intersil Corporation]

Datasheet

1.HI3-DAC85V-4.pdf (7 pages)

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Download datasheet (73Kb)

August 1997

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

http://www.intersil.com or 407-727-9207

Features

• DAC 80V/DAC 85V Alternative Source

• Monolithic Construction

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

• Guaranteed Monotonicity

• Wafer Laser Trimmed Linearity, Gain, Offset

• Span Resistors On-Chip

• On-Board Reference

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

Applications

• High Speed A/D Converters

• Precision Instrumentation

• CRT Display Generation

Ordering Information

Pinout

HI3-DAC80V-5

HI3-DAC85V-4

PART NUMBER

RANGE (

-25 to 85

TEMP.

0 to 75

24 Ld PDIP

PACKAGE

Intersil Corporation 1999

(LSB) BIT 12

(MSB) BIT 1

BIT 10

BIT 11

BIT 2

BIT 3

BIT 4

BIT 5

BIT 6

BIT 7

BIT 8

BIT 9

HI-DAC80V/HI-DAC85V

E24.6

PKG.

12-Bit, Low Cost, Monolithic D/A Converters

NO.

12V

TOP VIEW

10-1034

(PDIP)

Description

The Hl-DAC80V is a monolithic direct replacement for the

popular DAC80 and AD DAC80. The HI-DAC85V is a mono-

lithic direct replacement for the popular DAC85 and AD

DAC85 as well as the HI-5685V. 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 mini-

mum glitch. On board span resistors are provided for good

tracking over temperature, and are laser trimmed to high

accuracy.

Internally the Hl-DAC80V/HI-DAC85V eliminates code

dependent ground currents by routing current from the posi-

tive 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

is guaranteed over the 0

HI-DAC85V is available as a voltage output device which is

guaranteed over the -25

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

6.3V REF OUT

GAIN ADJUST

COMMON

20V RANGE

10V RANGE

BIPOLAR OFFSET

REF INPUT

-V

OUT

JUNCTION

(11.4V to 16.5V).

HI-DAC80V,

HI-DAC85V

C to 75

C to 85

C temperature range. The

C temperature range. It

File Number

3110.1

Related parts for HI3-DAC85V-4

HI3-DAC85V-4 Summary of contents

Page 1

... CRT Display Generation Ordering Information TEMP. o PART NUMBER RANGE ( C) HI3-DAC80V PDIP HI3-DAC85V-4 - PDIP Pinout CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | http://www.intersil.com or 407-727-9207 Copyright 12-Bit, Low Cost, Monolithic D/A Converters Description The Hl-DAC80V is a monolithic direct replacement for the popular DAC80 and AD DAC80 ...

Page 2

Functional Block Diagram BIT 1 IN BIPOLAR REF (MSB) +V OFFSET IN OUT COMMON S GROUND CURRENT 6.3K CANCEL- LATION CIRCUIT 12. CONTROL AMP + - 12. GAIN ADJUST HI-DAC80V, HI-DAC85V DIGITAL INPUT LEVEL SHIFTERS ...

Page 3

Absolute Maximum Ratings Power Supply Inputs + ...

Page 4

Electrical Speciﬁcations PARAMETER Slew Rate INTERNAL REFERENCE Output Voltage Output Impedance External Current Tempco of Drift DIGITAL INPUT (Note 2) Logic Levels Logic “1” TTL Compatible Logic “0” TTL Compatible At -100 A ...

Page 5

Thermal Drift Thermal drift is based on measurements and low (T ) temperatures. Drift calculations are made for the high (T -25 C) and low (25 C-T H larger of the two ...

Page 6

Reference Supply An internal 6.3V reference is provided on board the HI-DAC80V/HI-DAC85V. The voltage (pin 24) is accurate to 0.8% and must be connected to the reference input (pin 16) for speciﬁed operation. This reference may be used exter- nally, ...

Page 7

Die Characteristics DIE DIMENSIONS: 108 mils x 163 mils METALLIZATION: Type: Al Å Å Thickness: 16k 2k TIE SUBSTRATE TO: Ground Metallization Mask Layout BIT 3 BIT 4 BIT 5 BIT 6 BIT 7 BIT 8 BIT 9 BIT 10 ...

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