HI3-574ALN-5 INTERSIL [Intersil Corporation], HI3-574ALN-5 Datasheet

HI3-574ALN-5

Manufacturer Part Number

HI3-574ALN-5

Description

Complete, 12-Bit A/D Converters with Microprocessor Interface

Manufacturer

INTERSIL [Intersil Corporation]

Datasheet

1.HI3-574ALN-5.pdf (18 pages)

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August 1997

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

Features

• Complete 12-Bit A/D Converter with Reference and Clock

• Full 8-Bit, 12-Bit or 16-Bit Microprocessor Bus Interface

• Bus Access Time . . . . . . . . . . . . . . . . . . . . . . . . . . 150ns

• No Missing Codes Over Temperature

• Minimal Setup Time for Control Signals

• Fast Conversion Times

• Digital Error Correction (HI-774)

• Low Noise, via Current-Mode Signal

• Byte Enable/Short Cycle (A

• Supply Voltage . . . . . . . . . . . . . . . . . . . . .

Applications

• Military and Industrial Data Acquisition Systems

• Electronic Test and Scientiﬁc Instrumentation

• Process Control Systems

Pinouts

+12V/+15V SUPPLY, V

-12V/-15V SUPPLY, V

DATA MODE SEL, 12/8

- HI-574A (Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 s

- HI-674A (Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 s

- HI-774 (Max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 s

Transmission Between Chips

- Guaranteed Break-Before-Make Action, Eliminating

READ/CONVERT, R/C

BYTE ADDR/SHORT

+5V SUPPLY, V

REFERENCE INPUT

+10V REF, REF OUT

Bus Contention During Read Operation. Latched by

Start Convert Input (To Set the Conversion Length)

CHIP ENABLE, CE

BIPOLAR OFFSET

COMMON, AC

CHIP SEL, CS

CYCLE, A

10V INPUT

20V INPUT

ANALOG

BIP OFF

LOGIC

(PDIP, SBDIP)

TOP VIEW

Input)

STATUS, STS

DB11

DB10

DB9

DB8

DB7

DB6

DB5

DB4

DB3

DB2

DB1

DB0

DIG COMMON,

12V to 15V

MSB

DIGITAL

DATA

OUTPUTS

LSB

6-952

ANALOG COMMON, AC

Description

The HI-X74(A) is a complete 12-bit, Analog-to-Digital

Converter, including a +10V reference clock, three-state out-

puts and a digital interface for microprocessor control. Succes-

sive approximation conversion is performed by two monolithic

dice housed in a 28 lead package. The bipolar analog die fea-

tures the Intersil Dielectric Isolation process, which provides

enhanced AC performance and freedom from latch-up.

Custom design of each IC (bipolar analog and CMOS digital)

has yielded improved performance over existing versions of

this converter. The voltage comparator features high PSRR

plus a high speed current-mode latch, and provides precise

decisions down to 0.1 LSB of input overdrive. More than 2X

reduction in noise has been achieved by using current

instead of voltage for transmission of all signals between the

analog and digital ICs. Also, the clock oscillator is current

controlled for excellent stability over temperature.

The HI-X74(A) offers standard unipolar and bipolar input

ranges, laser trimmed for speciﬁed linearity, gain and offset

accuracy. The low noise buried zener reference circuit is

trimmed for minimum temperature coefﬁcient.

Power requirements are +5V and 12V to 15V, with typical

dissipation of 385mW (HI-574A/674A) and 390mW (HI-774) at

12V. All models are available in sidebrazed DIP, PDIP , and

CLCC. For additional HI-Rel screening including 160 hour burn-

in, specify “-8” sufﬁx. For MIL-STD-883 compliant parts, request

HI-574A/883, HI-674A/883, and HI-774/883 data sheets.

READ CONVERT, R/C

HI-574A, HI-674A,

REFERENCE INPUT,

+10V REFERENCE,

BIPOLAR OFFSET,

CHIP ENABLE, CE

+15V SUPPLY, V

-15V SUPPLY, V

REF OUT

Complete, 12-Bit A/D Converters

BIP OFF

REF IN

with Microprocessor Interface

TOP VIEW

(CLCC)

File Number

HI-774

3096.4

DB9

DB8

DB7

DB6

DB5

DB4

DB3

DB2

Related parts for HI3-574ALN-5

HI3-574ALN-5 Summary of contents

Page 1

August 1997 Features • Complete 12-Bit A/D Converter with Reference and Clock • Full 8-Bit, 12-Bit or 16-Bit Microprocessor Bus Interface • Bus Access Time . . . . . . . . . . . . . . . ...

... Ordering Information PART NUMBER HI3-574AJN-5 1.0 LSB HI3-574AKN-5 0.5 LSB HI3-574ALN-5 0.5 LSB HI1-574AJD-5 1.0 LSB HI1-574AKD-5 0.5 LSB HI1-574ALD-5 0.5 LSB HI1-574ASD-2 1.0 LSB HI1-574ATD-2 0.5 LSB HI1-574AUD-2 0.5 LSB HI1-574ASD/883 1.0 LSB HI1-574ATD/883 0.5 LSB HI1-574AUD/883 0.5 LSB HI4-574ASE/883 1.0 LSB HI4-574ATE/883 0.5 LSB HI4-574AUE/883 0.5 LSB HI3-674AJN-5 1.0 LSB HI3-674AKN-5 0.5 LSB HI3-674ALN-5 0.5 LSB HI1-674AJD-5 1 ...

Page 3

Functional Block Diagram 12/8 CS CONTROL A O LOGIC R/C CE CLK OSCILLATOR DIGITAL CHIP ANALOG CHIP V IN REF 10K V OUT REF +10V REF ANALOG COMMON NOTE: “Nibble” 4-bit digital word. HI-574A, HI-674A, HI-774 BIT OUTPUTS ...

Page 4

... BIPOFF, 10VIN) to Analog Common 20VIN to Analog Common . . . . . . . . . . . . . . . . . . . . . . . . . . 24V REFOUT . . . . Indeﬁnite Short To Common, Momentary Short To V Operating Conditions Temperature Range HI3-574AxN-5, HI1-574AxD HI3-674AxN-5, HI1-674AxD HI3-774xN-5, HI1-774xD HI1-574AxD-2, HI1-674AxD-2, HI1-774xD -55 DC and Transfer Accuracy Speciﬁcations PARAMETER DYNAMIC CHARACTERISTICS Resolution (Max) Linearity Error ...

Page 5

DC and Transfer Accuracy Speciﬁcations PARAMETER Temperature Coefficients Guaranteed Max Change (Using Internal Reference) MIN MAX Unipolar Offset HI-574A, HI-674A HI-774 Bipolar Offset HI-574A, HI-674A HI-774 Full Scale Calibration HI-574A, HI-674A HI-774 Power Supply Rejection Max Change ...

Page 6

DC and Transfer Accuracy Speciﬁcations PARAMETER DYNAMIC CHARACTERISTICS Resolution (Max) Linearity Error - 125 C (Max) Max Resolution For Which No Missing Codes Is Guaranteed HI-574A, HI-674A HI-774 T to ...

Page 7

DC and Transfer Accuracy Speciﬁcations PARAMETER Input Impedance 10V Span 20V Span POWER SUPPLIES Operating Voltage Range V LOGIC Operating Current I LOGIC I +15V Supply CC I -15V Supply EE Power Dissipation 15V, +15V 12V, ...

Page 8

Timing Speciﬁcations (HI-574A) 25 SYMBOL t CE Pulse Width HEC Setup SSC t CS Low During CE High HSC t R Setup SRC t R/C Low During CE High HRC ...

Page 9

Timing Speciﬁcations (HI-674A) 25 SYMBOL Setup SSR t R Setup SRR Setup SAR Valid After CE Low HSR t R/C High After CE Low HRR t A ...

Page 10

Pin Descriptions PIN SYMBOL DESCRIPTION 1 V Logic supply pin (+5V) LOGIC 2 12/8 Data Mode Select - Selects between 12-bit and 8-bit output modes Chip Select - Chip Select high disables the device Byte Address/Short ...

Page 11

Temperature Coefﬁcients The temperature coefﬁcients for full-scale calibration, unipo- lar offset, and bipolar offset specify the maximum change o from the initial (25 C) value to the value at T Power Supply Rejection The standard speciﬁcations for the HI-X74A assume ...

Page 12

HI-774 The device driving the HI-774 analog input will see a nominal load of 5k (10V range) or 10k (20V range). However, the other end of these input resistors may change as much as 400mV with each bit decision. These ...

Page 13

R GAIN R2 10 REF IN 100 8 REF OUT 100 12 BIP OFF R1 5V OFFSET 13 10V ANALOG IN INPUTS † 14 20V IN 10V 9 ANA COM ...

Page 14

Operation” The simplest control interface calls for a singe control line connected to R/C. Also, CE and 12/8 are wired high, CS and A are wired low, and the output data appears in words bits each. ...

Page 15

The 12/8 input will be tied high or low in most applications, though it is fully TTL/CMOS-compatible. With 12/8 high, all 12 output lines become active simultaneously, for interface to a 12-bit or 16-bit data bus. The A input is ...

Page 16

INPUT BUFFERS 12 R/C CE EOC9 LATCH O EOC13 R/C STS DATA DB11-DB0 VALID FIGURE 8. LOW PULSE FOR R/C - OUTPUTS ENABLED AFTER CONVERSION R/C t HRH STS t DDR HIGH-Z ...

Page 17

Die Characteristics DIE DIMENSIONS: Analog: 3070mm x 4610mm Digital: 1900mm x 4510mm METALLIZATION: Digital Type: Nitrox Å Å Thickness: 10k 2k Metal 1: AlSiCu Å Å Thickness Metal 2: AlSiCu Å Å Thickness: 16k 2k Analog Type: Al ...

Page 18

All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certiﬁcation. Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or speciﬁcations at any time without notice. Accordingly, ...

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