Datasheet
LT1678/LT1679
2
sn16789 16789fs
SYMBOL PARAMETER CONDITIONS (Note 6) MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 11) 35 100 µV
0°C ≤ T
A
≤ 70°C ● 55 270 µV
–40°C ≤ T
A
≤ 85°C ● 75 350 µV
V
S
=5V, V
CM
= V
S
+ 0.1V 150 550 µV
V
S
=5V, V
CM
= V
S
– 0.3V, 0°C ≤ T
A
≤ 70°C ● 180 750 µV
V
S
=5V, V
CM
= V
S
– 0.3V, –40°C ≤ T
A
≤ 85°C ● 200 1000 µV
V
S
=5V, V
CM
= –0.1V 1.5 30 mV
V
S
=5V, V
CM
= 0V, 0°C ≤ T
A
≤ 70°C ● 1.8 45 mV
V
S
=5V, V
CM
= 0V, –40°C ≤ T
A
≤ 85°C ● 2.0 50 mV
∆V
OS
Average Input Offset Drift (Note 10) ● 0.40 3 µV/°C
∆Temp
I
B
Input Bias Current (Note 11) ±2 ±20 nA
0°C ≤ T
A
≤ 70°C ● ±3 ±35 nA
–40°C ≤ T
A
≤ 85°C ● ±7 ±50 nA
V
S
= 5V, V
CM
= V
S
+ 0.1V 0.19 0.40 µA
V
S
= 5V, V
CM
= V
S
– 0.3V, 0°C ≤ T
A
≤ 70°C ● 0.19 0.60 µA
V
S
= 5V, V
CM
= V
S
– 0.3V, –40°C ≤ T
A
≤ 85°C ● 0.25 0.75 µA
V
S
= 5V, V
CM
= –0.1V –5 – 0.41 µA
V
S
= 5V, V
CM
= 0V, 0°C ≤ T
A
≤ 70°C ● –8.4 – 0.45 µA
V
S
= 5V, V
CM
= 0V, –40°C ≤ T
A
≤ 85°C ● –10 – 0.47 µA
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
S
= 3V, V
CM
= V
O
= 1.7V; V
S
= 5V, V
CM
= V
O
= 2.5V unless
otherwise noted.
ELECTRICAL CHARACTERISTICS
(Note 1)
Supply Voltage ...................................................... ±18V
Input Voltages (Note 2) ............ 0.3V Beyond Either Rail
Differential Input Current (Note 2) ..................... ±25mA
Output Short-Circuit Duration (Note 3) ............ Indefinite
Storage Temperature Range ................. – 65°C to 150°C
ORDER PART
NUMBER
LT1678CS8
LT1678IS8
S8 PART MARKING
1678
1678I
T
JMAX
= 150°C, θ
JA
= 190°C/ W
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Lead Temperature (Soldering, 10 sec.)................. 300°C
Operating Temperature Range
(Note 4)............................................. –40°C to 85°C
Specified Temperature Range
(Note 5)............................................. –40°C to 85°C
ORDER PART
NUMBER
LT1679CS
LT1679IS
TOP VIEW
S PACKAGE
14-LEAD PLASTIC SO
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
AD
CB
T
JMAX
= 150°C, θ
JA
= 160°C/ W
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
OUT A
V
+
OUT B
–IN B
+IN B
–IN A
+IN A
V
–
A
B