Intersil Corporation HI-774, HI-674A, HI-574A Datasheet

August 1997

HI-574A, HI-674A,

HI-774

Complete, 12-Bit A/D Converters

with Microprocessor Interface

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

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

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

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

• Digital Error Correction (HI-774)

• Low Noise, via Current-Mode Signal
Transmission Between Chips

• Byte Enable/Short Cycle (A

Input)

O

- Guaranteed Break-Before-Make Action, Eliminating

Bus Contention During Read Operation. Latched by
Start Convert Input (T o Set the Conversion Length)

• Supply Voltage. . . . . . . . . . . . . . . . . . . . . ±12V to ±15V

Applications

• Military and Industrial Data Acquisition Systems

• Electronic Test and Scientific Instrumentation

• Process Control Systems

Description

The HI-X74(A) is a complete 12-bit, Analog-to-Digital
Converter, including a +10V reference clock, three-state out­puts and a digital interface for microprocessor control. Succes­sive approximation conversion is performed by two monolithic
dice housed in a 28 lead package. The bipolar analog die fea­tures 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 b urn­in, specify “-8” suffix. For MIL-STD-883 compliant parts, request
HI-574A/883, HI-674A/883, and HI-774/883 data sheets.

Pinouts

(PDIP, SBDIP)

TOP VIEW

+5V SUPPL Y, V

DATA MODE SEL, 12/

CHIP SEL, CS

BYTE ADDR/SHORT

CYCLE, A

READ/CONVERT , R/

CHIP ENABLE, CE

+12V/+15V SUPPL Y, V

+10V REF , REF OUT

ANALOG

COMMON, AC

REFERENCE INPUT

-12V/-15V SUPPLY , V
BIPOLAR OFFSET

BIP OFF

10V INPUT
20V INPUT

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999

LOGIC

CC

EE

1
2

8

3
4

O

5

C

6
7
8

9
10
11
12
13
14

28

STATUS, STS

27

DB11

26

DB10

25

DB9

24

DB8

23

DB7

22

DB6

21

DB5

20

DB4

19

DB3

18

DB2

17

DB1

16

DB0
DIG COMMON,

15

DC

MSB

DIGITAL
DATA
OUTPUTS

LSB

READ CONVERT, R/C

CHIP ENABLE, CE
+15V SUPPLY, V

+10V REFERENCE,

ANALOG COMMON, AC

REFERENCE INPUT,

REF OUT

-15V SUPPLY, V

BIPOLAR OFFSET,

6-952

REF IN

BIP OFF

NC
NC

CC

EE

NC

6 3

7
8

9
10
11
12
13
14
15
16
17

(CLCC)

TOP VIEW

BYTE ADDRESS/

NC

NC

4

NCNCNC

10V

20V

O

CS

SHORT CYCLE, A

CHIP SELECT,

SELECT, 12/8

DATA MODE
25

LOGIC

+5V SUPPLY, V

STATUS, STS

DB11, MSB

DB10

NC

NC

(LSB) DB0

NC

40414243

39
38
37
36
35
34
33
32
31
30
29

2827262524232221201918

DB1

1

NC

44

DC

DIG

COMMON,

NC

File Number 3096.4

NC
NC
DB9
DB8
DB7
DB6
DB5
DB4
DB3
NC
DB2

HI-574A, HI-674A, HI-774

Ordering Information

TEMPERA TURE RANGE

PART NUMBER INL

HI3-574AJN-5 ±1.0 LSB 0 to 75 28 Ld PDIP E28.6
HI3-574AKN-5 ±0.5 LSB 0 to 75 28 Ld PDIP E28.6
HI3-574ALN-5 ±0.5 LSB 0 to 70 28 Ld PDIP E28.6
HI1-574AJD-5 ±1.0 LSB 0 to 75 28 Ld SBDIP D28.6
HI1-574AKD-5 ±0.5 LSB 0 to 75 28 Ld SBDIP D28.6
HI1-574ALD-5 ±0.5 LSB 0 to 75 28 Ld SBDIP D28.6
HI1-574ASD-2 ±1.0 LSB -55 to 125 28 Ld SBDIP D28.6
HI1-574ATD-2 ±0.5 LSB -55 to 125 28 Ld SBDIP D28.6
HI1-574AUD-2 ±0.5 LSB -55 to 125 28 Ld SBDIP D28.6
HI1-574ASD/883 ±1.0 LSB -55 to 125 28 Ld SBDIP D28.6
HI1-574ATD/883 ±0.5 LSB -55 to 125 28 Ld SBDIP D28.6
HI1-574AUD/883 ±0.5 LSB -55 to 125 28 Ld SBDIP D28.6
HI4-574ASE/883 ±1.0 LSB -55 to 125 44 Ld CLCC J44.A
HI4-574ATE/883 ±0.5 LSB -55 to 125 44 Ld CLCC J44.A
HI4-574AUE/883
HI3-674AJN-5 ±1.0 LSB 0 to 75 28 Ld PDIP E28.6
HI3-674AKN-5 ±0.5 LSB 0 to 75 28 Ld PDIP E28.6
HI3-674ALN-5
HI1-674AJD-5 ±1.0 LSB 0 to 75 28 Ld SBDIP D28.6
HI1-674AKD-5 ±0.5 LSB 0 to 75 28 Ld SBDIP D28.6
HI1-674ALD-5 ±0.5 LSB 0 to 75 28 Ld SBDIP D28.6
HI1-674ASD-2 ±1.0 LSB -55 to 125 28 Ld SBDIP D28.6
HI1-674ATD-2 ±0.5 LSB -55 to 125 28 Ld SBDIP D28.6
HI1-674AUD-2 ±0.5 LSB -55 to 125 28 Ld SBDIP D28.6
HI1-674ASD/883 ±1.0 LSB -55 to 125 28 Ld SBDIP D28.6
HI1-674ATD/883 ±0.5 LSB -55 to 125 28 Ld SBDIP D28.6
HI1-674AUD/883 ±0.5 LSB -55 to 125 28 Ld SBDIP D28.6
HI4-674ASE/883 ±1.0 LSB -55 to 125 44 Ld CLCC J44.A
HI4-674ATE/883 ±0.5 LSB -55 to 125 44 Ld CLCC J44.A
HI4-674AUE/883 ±0.5 LSB -55 to 125 44 Ld CLCC J44.A
HI3-774J-5
HI3-774K-5
HI1-774J-5
HI1-774K-5
HI1-774U-2
HI1-774T/883
HI4-774S/883
HI4-774T/883
HI4-774U/883

±0.5 LSB

±0.5 LSB

±1.0 LSB 0 to 75 28 Ld PDIP E28.6
±0.5 LSB 0 to 75 28 Ld PDIP E28.6
±1.0 LSB 0 to 75 28 LdSBDIP
±0.5 LSB 0 to 75 28 LdSBDIP
±0.5 LSB -55 to 125 28 Ld SBDIP
±0.5 LSB -55 to 125 28 Ld SBDIP
±1.0 LSB -55 to 125 44 Ld CLCC
±0.5 LSB -55 to 125 44 Ld CLCC
±0.5 LSB -55 to 125 44 Ld CLCC

(oC) PACKA GE PKG. NO.

-55 to 125 44 Ld CLCC J44.A

0 to 75 28 Ld PDIP E28.6

D28.6
D28.6
D28.6
D28.6
J44.A
J44.A
J44.A

6-953

Functional Block Diagram

HI-574A, HI-674A, HI-774

BIT OUTPUTS

MSB LSB

12/8

CS
A

O

R/C

CE

IN

V

REF

V

OUT

REF

CONTROL

LOGIC

OSCILLATOR

DIGITAL CHIP

ANALOG CHIP

+10V

REF

THREE-STATE BUFFERS AND CONTROL

POWER-UP RESET

CLK

12 BITS

10K

+

-

5K

NIBBLE B (NOTE) NIBBLE C (NOTE)NIBBLE A (NOTE)

12 BITS

SAR

DAC

10K

STROBE

5K

5K

-

COMP

+

2.5K

V

LOGIC

DIGITAL
COMMON

STS

V

CC

V

EE

ANALOG

COMMON

NOTE: “Nibble” is a 4-bit digital word.

BIP

OFF

20V

INPUT

10V

INPUT

6-954

HI-574A, HI-674A, HI-774

Absolute Maximum Ratings Thermal Information

Supply Voltage

VCC to Digital Common . . . . . . . . . . . . . . . . . . . . . . 0V to +16.5V

VEE to Digital Common. . . . . . . . . . . . . . . . . . . . . . . 0V to -16.5V

V

to Digital Common. . . . . . . . . . . . . . . . . . . . . . 0V to +7V

LOGIC

Analog Common to Digital Common±1V

Control Inputs

(CE, CS, AO, 12/8, R/C) to Digital Common . . -0.5V to V

Analog Inputs

(REFIN, BIPOFF, 10VIN) to Analog Common. . . . . . . . . . ±16.5V

20VIN to Analog Common . . . . . . . . . . . . . . . . . . . . . . . . . . ±24V

REFOUT . . . . Indefinite Short To Common, Momentary Short To V

LOGIC

+0.5V

Operating Conditions

Temperature Range

HI3-574AxN-5, HI1-574AxD-5 . . . . . . . . . . . . . . . . . .0oC to 75oC

HI3-674AxN-5, HI1-674AxD-5 . . . . . . . . . . . . . . . . . .0oC to 75oC

HI3-774xN-5, HI1-774xD-5. . . . . . . . . . . . . . . . . . . . .0oC to 75oC

HI1-574AxD-2, HI1-674AxD-2, HI1-774xD-2 . . . . -55oC to 125oC

DC and Transfer Accuracy Specifications Typical at 25

Unless Otherwise Specified

PARAMETER

DYNAMIC CHARACTERISTICS

Resolution (Max) 12 12 12 Bits
Linearity Error

25oC (Max) ±1 ±1/
0oC to 75oC (Max) ±1 ±1/

Max Resolution For Which No Missing Codes Is Guaranteed

25oC HI-574A, HI-674A 12 12 12 Bits

HI-774 11 12 12 Bits

T

to T

MIN

MAX

Unipolar Offset (Max)

Adjustable to Zero ±2 ±1.5 ±1 LSB

Bipolar Offset (Max)

VIN = 0V (Adjustable to Zero) ±4 ±4 ±3 LSB
VIN = -10V ±0.15 ±0.1 ±0.1 % of FS

Full Scale Calibration Error

25oC (Max), With Fixed 50Ω Resistor From REF OUT To REF IN
(Adjustable to Zero)

T
T

MIN
MIN

to T
to T

(No Adjustment At 25oC) ±0.475 ±0.375 ±0.20 % of FS

MAX

(With Adjustment To Zero 25oC) ±0.22 ±0.12 ±0.05 % of FS

MAX

HI-574A, HI-674A 11 12 12 Bits
HI-774 11 12 12 Bits

Thermal Resistance (Typical, Note 1) θJA (oC/W) θJC (oC/W)

CLCC Package . . . . . . . . . . . . . . . . . . 65 14

SBDIP Package. . . . . . . . . . . . . . . . . . 60 18

HI3-574AxN-5, HI3-674AxN-5, HI3-774xN-5 65 N/A

Maximum Junction Temperature

HI3-574AxN-5, HI3-674AxN-5, HI3-774xN-5. . . . . . . . . . . . 150oC

HI1-574AxD-2, HI1-574AxD-5. . . . . . . . . . . . . . . . . . . . . . .175oC

HI1-674AxD-2, HI1-674AxD-5. . . . . . . . . . . . . . . . . . . . . . .175oC

HI1-774xD-2, HI1-774xD-5 . . . . . . . . . . . . . . . . . . . . . . . . .175oC

Maximum Storage Temperature Range

CC

HI3-574AxN-5, HI3-674AxN-5, HI3-774xN-5. . . . . .-40oC to 85oC

HI1-574AxD-2, HI1-574AxD-5. . . . . . . . . . . . . . . .-65oC to 150oC

HI1-674AxD-2, HI1-674AxD-5. . . . . . . . . . . . . . . .-65oC to 150oC

HI1-774xD-2, HI1-774xD-5 . . . . . . . . . . . . . . . . . .-65oC to 150oC

Maximum Lead Temperature (Soldering, 10s) . . . . . . . . . . . . 300oC

Die Characteristics

Transistor Count

HI-574A, HI-674A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1117

HI-774 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2117

o

C with VCC = +15V or +12V, V

TEMPERATURE RANGE

-5 (0oC to 75oC)

2
2

±0.25 ±0.25 ±0.15 % of FS

= +5V, VEE = -15V or -12V,

LOGIC

±1/

2

±1/

2

UNITSJ SUFFIX K SUFFIX L SUFFIX

LSB
LSB

6-955

HI-574A, HI-674A, HI-774

DC and Transfer Accuracy Specifications Typical at 25

o

C with VCC = +15V or +12V, V

= +5V, VEE = -15V or -12V,

LOGIC

Unless Otherwise Specified (Continued)

TEMPERATURE RANGE

-5 (0oC to 75oC)

PARAMETER

Temperature Coefficients
Guaranteed Max Change, T

MIN

to T

(Using Internal Reference)

MAX

Unipolar Offset HI-574A, HI-674A ±2 ±1 ±1 LSB

HI-774 ±2 ±1 ±1 LSB

Bipolar Offset HI-574A, HI-674A ±2 ±1 ±1 LSB

HI-774 ±2 ±2 ±1 LSB

Full Scale Calibration HI-574A, HI-674A ±9 ±2 ±2 LSB

HI-774 ±9 ±5 ±2 LSB

Power Supply Rejection
Max Change In Full Scale Calibration

+13.5V < VCC < +16.5V or +11.4V < VCC < +12.6V ±2 ±1 ±1 LSB
+4.5V < V

< +5.5V ±1/

LOGIC

2

±1/

2

±1/

2

-16.5V < VEE < -13.5V or -12.6V < VEE < -11.4V ±2 ±1 ±1 LSB

ANALOG INPUTS

Input Ranges

Bipolar -5 to +5 V

-10 to +10 V

Unipolar 0 to +10 V

0 to +20 V

Input Impedance

10V Span 5K, ±25% Ω
20V Span 10K, ±25% Ω

POWER SUPPLIES

Operating Voltage Range

V

LOGIC

V

CC

V

EE

+4.5 to +5.5 V

+11.4 to +16.5 V

-11.4 to -16.5 V

Operating Current

I

LOGIC

7 Typ, 15 Max mA
ICC +15V Supply 11 Typ, 15 Max mA
IEE -15V Supply 21 Typ, 28 Max mA

Power Dissipation

±15V, +15V 515 Typ, 720 Max mW
±12V, +5V 385 Typ mW

Internal Reference Voltage

T

to T

MIN

MAX

Output Current, Available For External Loads (External Load Should

+10.00 ±0.05 Max V

2.0 Max mA

Not Change During Conversion).

UNITSJ SUFFIX K SUFFIX L SUFFIX

LSB

6-956

HI-574A, HI-674A, HI-774

DC and Transfer Accuracy Specifications Typical at 25

o

C with VCC = +15V or +12V, V

= +5V, VEE = -15V or -12V,

LOGIC

Unless Otherwise Specified

TEMPERATURE RANGE

-2 (-55oC to 125oC)

PARAMETER

UNITSS SUFFIX T SUFFIX U SUFFIX

DYNAMIC CHARACTERISTICS

Resolution (Max) 12 12 12 Bits
Linearity Error

25oC ±1 ±1/

2

±1/

2

-55oC to 125oC (Max) ±1 ±1 ±1 LSB

Max Resolution For Which No Missing Codes Is Guaranteed

25oC HI-574A, HI-674A 12 12 12 Bits

HI-774 11 12 12 Bits

T

MIN

to T

MAX

HI-574A, HI-674A 11 12 12 Bits
HI-774 11 12 12 Bits

Unipolar Offset (Max)

Adjustable to Zero HI-574A, HI-674A ±2 ±1.5 ±1 LSB

HI-774 ±2 ±2 ±1 LSB

Bipolar Offset (Max)

VIN = 0V (Adjustable to Zero) ±4 ±4 ±3 LSB
VIN = -10V ±0.15 ±0.1 ±0.1 % of FS

Full Scale Calibration Error

25oC (Max), With Fixed 50Ω Resistor From REF OUT To REF IN

±0.25 ±0.25 ±0.15 % of FS

(Adjustable To Zero)
T
T

MIN
MIN

to T
to T

(No Adjustment At 25oC) ±0.75 ±0.50 ±0.275 % of FS

MAX

(With Adjustment To Zero At 25oC) ±0.50 ±0.25 ±0.125 % of FS

MAX

Temperature Coefficients
Guaranteed Max Change, T

MIN

to T

(Using Internal Reference)

MAX

Unipolar Offset ±2 ±1 ±1 LSB
Bipolar Offset ±2 ±2 ±1 LSB
Full Scale Calibration ±20 ±10 ±5 LSB

Power Supply Rejection
Max Change In Full Scale Calibration

+13.5V < VCC < +16.5V or +11.4V < VCC < +12.6V ±2 ±1 ±1 LSB
+4.5V < V

< +5.5V ±1/

LOGIC

2

±1/

2

±1/

2

-16.5V < VEE < -13.5V or -12.6V < VEE < -11.4V ±2 ±1 ±1 LSB

ANALOG INPUTS

Input Ranges

Bipolar -5 to +5 V

-10 to +10 V

Unipolar 0 to +10 V

0 to +20 V

LSB

LSB

6-957