2

LT1490A/LT1491A

sn1490, 14901afbs

Differential Input Voltage ........................................ 44V

Input Current (Note 9) .......................................

±12mA

Output Short-Circuit Duration (Note 2) ........ Continuous

Operating Temperature Range (Note 3)

LT1490AC/LT1491AC ......................... – 40

°C to 85°C

LT1490AI/LT1491AI ........................... – 40

°C to 85°C

LT1490AH/LT1491AH ...................... – 40

°C to 125°C

*Temperature grades are identified by a label on the shipping container. Consult LTC Marketing for parts specified with wider operating temperature ranges.

LT1490ACS8

LT1490AIS8

LT1490AHS8

LT1490ACN8

LT1490AIN8

S8/N8

PART MARKING

MS8

PART MARKING

ORDER PART

NUMBER

LTNG

LTPU

LTRK

1490A

1490AI

1490AH

LT1490ACMS8

LT1490AIMS8

LT1490AHMS8

Specified Temperature Range (Note 4)

LT1490AC/LT1490AI .......................... – 40

°C to 85°C

LT1491AC/LT1491AI .......................... – 40

°C to 85°C

LT1490AH/LT1491AH ...................... – 40

°C to 125°C

Junction Temperature .......................................... 150

°C

Junction Temperature (DD/DHC Package) ........... 125

°C

Storage Temperature Range ................ – 65

°C to 150°C

Storage Temperature Range

DD/DHC Package ............................. – 65

°C to 125°C

Lead Temperature (Soldering, 10 sec)................. 300

°C

1

2

3

4

8

7

6

5

TOP VIEW

N8 PACKAGE

8-LEAD PDIP

S8 PACKAGE

8-LEAD PLASTIC SO

OUT B

–IN B

+IN B

A

B

OUT A

–IN A

+IN A

ORDER PART

NUMBER

1

2

3

4

OUT A

–IN A

+IN A

8

7

6

5

OUT B

–IN B

+IN B

TOP VIEW

MS8 PACKAGE

8-LEAD PLASTIC MSOP

A

B

(Note 1)

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

TOP VIEW

S PACKAGE

14-LEAD PLASTIC SO

N PACKAGE

14-LEAD PDIP

1

2

3

4

5

6

7

14

13

12

11

10

9

8

OUT A

–IN A

+IN A

+IN B

–IN B

OUT B

OUT D

–IN D

+IN D

+IN C

–IN C

OUT C

A

D

B

C

LT1491ACS

LT1491AIS

LT1491AHS

LT1491ACN

LT1491AIN

ORDER PART

NUMBER

TOP VIEW

DD PACKAGE

8-LEAD (3mm

× 3mm) PLASTIC DFN

5

6

7

8

4

3

2

1

OUT A

–IN A

+IN A

OUT B

–IN B

+IN B

A

B

ORDER PART

NUMBER

LT1490ACDD

LT1490AIDD

DD

PART MARKING*

LAAH

16

15

14

13

12

11

10

9

1

2

3

4

5

6

7

8

OUT D

–IN D

+IN D

V–

+IN C

–IN C

OUT C

NC

OUT A

–IN A

+IN A

V+

+IN B

–IN B

OUT B

NC

TOP VIEW

DHC16 PACKAGE

16-LEAD (5mm

× 3mm) PLASTIC DFN

A

D

B

C

ORDER PART

NUMBER

LT1491ACDHC

LT1491AIDHC

DHC

PART MARKING*

1491A