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DATASHEET

HI-506A, HI-507A, HI-508A, HI-509A

16-Channel, 8-Channel, Differential 8-Channel and Differential 4-Channel,

CMOS Analog MUXs with Active Overvoltage Protection

The HI-506A, HI-507A, HI-508A and HI-509A are analog

multiplexers with active overvoltage protection. Analog input

levels may greatly exceed either power supply without

damaging the device or disturbing the signal path of other

channels. Active protection circuitry assures that signal

fidelity is maintained even under fault conditions that would

destroy other multiplexers. Analog inputs can withstand

constant 70V

P-P

levels with

15V

supplies. Digital inputs will

also sustain continuous faults up to 4V greater than either

supply. In addition, signal sources are protected from short

circuiting should multiplexer supply loss occur. Each input

presents 1k of resistance under this condition. These

features make the HI-506A, HI-507A, HI-508A and HI-509A

ideal for use in systems where the analog inputs originate

from external equipment, or separately powered circuitry. All

devices are fabricated with 44V dielectrically isolated CMOS

technology. The HI-506A is a single 16-channel multiplexer,

the HI-507A is an 8-channel differential multiplexer, the

HI-508A is a single 8-channel multiplexer and the HI-509A is

a differential 4-channel multiplexer. If input overvoltage

protection is not needed the HI-506/507/508/509

multiplexers are recommended. For further information see

Application Note AN520.

FN3143

Rev.6.00

October 30, 2007

Features

• Analog Overvoltage . . . . . . . . . . . . . . . . . . . . . . . . 70V

P-P

• No Channel Interaction During Overvoltage

• Maximum Power Supply . . . . . . . . . . . . . . . . . . . . . . 44V

• Fail Safe with Power Loss (No Latch-Up)

• Break-Before-Make Switching

• Analog Signal Range . . . . . . . . . . . . . . . . . . . . . . . .

15V

• Access Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500ns

• Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . 7.5mW

• Pb-Free Available (RoHS Compliant)

Applications

• Data Acquisition Systems

• Industrial Controls

• Telemetry

FN3143 Rev.6.00

October 30, 2007

Page 1 of 20

HI-506A, HI-507A, HI-508A, HI-509A

Ordering Information

PART

NUMBER

HI1-0506A-2

HI1-0506A-5

HI1-0506A-8

HI3-0506A-5

HI3-0506A-5Z (Note 1)

HI3-0507A-5

HI3-0507A-5Z (Note 1)

HI1-0508A-8

HI3-0508A-5

HI3-0508A-5Z (Note 1)

HI1-0509A-2

HI1-0509A-5

HI1-0509A-8

HI3-0509A-5

HI3-0509A-5Z (Note 1)

NOTES:

1. These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte

tin plate PLUS ANNEAL - e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations.

Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC

J STD-020.

2. Pb-free PDIPs can be used for through hole wave solder processing only. They are not intended for use in Reflow solder processing applications.

PART MARKING

HI1-506A-2

HI1-506A-5

HI1-506A-8

HI3-506A-5

HI3-506A-5Z

HI3-507A-5

HI3-507A-5Z

HI1-508A-8

HI3-508A-5

HI3-508A-5Z

HI1-509A-2

HI1-509A-5

HI1-509A-8

HI3-509A-5

HI3-509A-5Z

TEMP. RANGE (°C)

-55 to +125

0 to +75

-55 to +125

+ 160 Hour Burn-In

0 to +75

-55 to +125

+ 160 Hour Burn-In

0 to +75

-55 to +125

0 to +75

-55 to +125

+ 160 Hour Burn-In

0 to +75

PACKAGE

28 Ld CERDIP

28 Ld PDIP

28 Ld PDIP (Note 2) (Pb-free)

28 Ld PDIP

28 Ld PDIP (Note 2) (Pb-free)

16 Ld CERDIP

16 Ld PDIP

16 Ld PDIP (Note 2) (Pb-free)

16 Ld CERDIP

16 Ld PDIP

16 Ld PDIP (Note 2) (Pb-free)

PKG. DWG. #

F28.6

E28.6

F16.3

E16.3

F16.3

E16.3

FN3143 Rev.6.00

October 30, 2007

Page 2 of 20

HI-506A, HI-507A, HI-508A, HI-509A

Pinouts

HI-506A (CERDIP, PDIP)

TOP VIEW

+V

SUPPLY

1

28 OUT

27 -V

SUPPLY

26 IN 8

25 IN 7

24 IN 6

23 IN 5

22 IN 4

21 IN 3

20 IN 2

19 IN 1

18 ENABLE

17 ADDRESS A

0

16 ADDRESS A

1

15 ADDRESS A

2

+V

SUPPLY

1

HI-507A (PDIP)

TOP VIEW

28 OUT A

27 -V

SUPPLY

26 IN 8A

25 IN 7A

24 IN 6A

23 IN 5A

22 IN 4A

21 IN 3A

20 IN 2A

19 IN 1A

18 ENABLE

17 ADDRESS A

0

16 ADDRESS A

1

15 ADDRESS A

2

NC 2

NC 3

IN 16 4

IN 15 5

IN 14 6

IN 13 7

IN 12 8

IN 11

9

OUT B 2

NC 3

IN 8B 4

IN 7B 5

IN 6B 6

IN 5B 7

IN 4B 8

IN 3B 9

IN 2B 10

IN 1B 11

GND 12

V

REF

13

NC 14

IN 10 10

IN 9 11

GND 12

V

REF

13

ADDRESS A

3

14

HI-508A (CERDIP, PDIP)

TOP VIEW

A

0

1

ENABLE 2

-V

SUPPLY

3

16 A

1

15 A

2

14 GND

13 +V

SUPPLY

12 IN 5

11 IN 6

10 IN 7

9 IN 8

HI-509A (CERDIP, PDIP)

TOP VIEW

A

0

1

ENABLE 2

-V

SUPPLY

3

16 A

1

15 GND

14 +V

SUPPLY

13 IN 1B

12 IN 2B

11 IN 3B

10 IN 4B

9 OUT B

IN 1 4

IN 2 5

IN 3 6

IN 4 7

OUT 8

IN 1A 4

IN 2A 5

IN 3A 6

IN 4A 7

OUT A 8

FN3143 Rev.6.00

October 30, 2007

Page 3 of 20

HI-506A, HI-507A, HI-508A, HI-509A

Truth Tables

HI-506A

A

3

X

L

H

A

2

X

L

H

L

H

A

1

X

L

H

L

H

L

H

L

H

A

0

X

L

H

L

H

L

H

L

H

L

H

L

H

L

H

L

H

EN

L

H

“ON” CHANNEL

None

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

A

1

X

L

H

A

0

X

L

H

L

H

HI-509A

EN

L

H

“ON” CHANNEL PAIR

None

1

2

3

4

A

2

X

L

H

A

1

X

L

H

L

H

A

0

X

L

H

L

H

L

H

L

H

HI-508A

EN

L

H

“ON” CHANNEL

None

1

2

3

4

5

6

7

8

HI-507A

A

2

X

L

H

A

1

X

L

H

L

H

A

0

X

L

H

L

H

L

H

L

H

EN

L

H

“ON” CHANNEL PAIR

None

1

2

3

4

5

6

7

8

FN3143 Rev.6.00

October 30, 2007

Page 4 of 20

HI-506A, HI-507A, HI-508A, HI-509A

Functional Diagrams

HI-506A

1k

HI-507A

OUT

A

IN 1

IN 2

1k

OUT

IN 1A

IN 8A

DECODER/

DRIVER

1k

IN 1B

1k

OUT

B

IN 16

IN 8B

OVERVOLTAGE

CLAMP AND

SIGNAL

ISOLATION

5V

REF

LEVEL

SHIFT

1k

DECODER/

DRIVER

† † † † †

†

DIGITAL INPUT

PROTECTION

V

REF

A

0

A

1

A

2

A

3

EN

OVERVOLTAGE

CLAMP AND

SIGNAL

ISOLATION

5V

REF

LEVEL

SHIFT

†

DIGITAL INPUT

PROTECTION

V

REF

A

0

†

A

1

†

A

2

†

EN

HI-508A

1k

HI-509A

OUT

A

IN 1

IN 2

1k

OUT

IN 1A

IN 4A

DECODER/

DRIVER

1k

IN 1B

1k

OUT

B

IN 8

IN 4B

OVERVOLTAGE

CLAMP AND

SIGNAL

ISOLATION

5V

REF

LEVEL

SHIFT

1k

DECODER/

DRIVER

†

DIGITAL INPUT

PROTECTION

A

0

†

A

1

†

A

2

†

EN

OVERVOLTAGE

CLAMP AND

SIGNAL

ISOLATION

5V

REF

LEVEL

SHIFT

†

DIGITAL INPUT

PROTECTION

A

0

†

A

1

†

EN

FN3143 Rev.6.00

October 30, 2007

Page 5 of 20

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