Datasheet
LT1490A/LT1491A
2
14901afd
LT1490A LT1490A LT1490A
1
2
3
4
OUT A
–IN A
+IN A
V
–
8
7
6
5
V
+
OUT B
–IN B
+IN B
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
A
B
T
JMAX
= 150°C, θ
JA
= 250°C/W
1
2
3
4
8
7
6
5
TOP VIEW
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
V
+
OUT B
–IN B
+IN B
A
B
OUT A
–IN A
+IN A
V
–
T
JMAX
= 150°C, θ
JA
= 130°C/W (N8)
T
JMAX
= 150°C, θ
JA
= 190°C/W (S8)
TOP VIEW
DD PACKAGE
8-LEAD (3mm w 3mm) PLASTIC DFN
5
6
7
8
4
3
2
1OUT A
–IN A
+IN A
V
–
V
+
OUT B
–IN B
+IN B
A
B
T
JMAX
= 125°C, θ
JA
= 160°C/W (NOTE 2)
UNDERSIDE METAL CONNECTED TO V
–
LT1491A LT1491A
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
V
+
+IN B
–IN B
OUT B
OUT D
–IN D
+IN D
V
–
+IN C
–IN C
OUT C
A
D
B
C
T
JMAX
= 150°C, θ
JA
= 110°C/W (N)
T
JMAX
= 150°C, θ
JA
= 150°C/W (S)
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 w 3mm) PLASTIC DFN
A
D
B
C
T
JMAX
= 125°C, θ
JA
= 160°C/W (NOTE 2)
UNDERSIDE METAL CONNECTED TO V
–
ABSOLUTE MAXIMUM RATINGS
Total Supply Voltage (V+ to V–) ............................... 44V
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
(Note 1)
PIN CONFIGURATION
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