Datasheet

2
LT1168
1168fa
Supply Voltage ...................................................... ±20V
Differential Input Voltage (Within the
Supply Voltage) ..................................................... ±40V
Input Voltage (Equal to Supply Voltage) ................ ±20V
Input Current (Note 2) ....................................... ±20mA
Output Short-Circuit Duration (Note 3) ............ Indefinite
Operating Temperature Range (Note 4) .. 40°C to 85°C
Specified Temperature Range
LT1168AC/LT1168C (Note 5) ............. 40°C to 85°C
LT1168AI/LT1168I ............................. 40°C to 85°C
Storage Temperature Range ................. 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ORDER PART
NUMBER
S8 PART MARKING
LT1168ACN8
LT1168ACS8
LT1168AIN8
LT1168AIS8
LT1168CN8
LT1168CS8
LT1168IN8
LT1168IS8
1168A
1168AI
T
JMAX
= 150°C, θ
JA
= 150°C/ W (N8)
T
JMAX
= 150°C, θ
JA
= 190°C/ W (S8)
T
A
= 25°C. V
S
= ±15V, V
CM
= 0V, R
L
= 10k unless otherwise noted.
1168
1168I
(Note 1)
ABSOLUTE AXI U RATI GS
WWWU
PACKAGE/ORDER I FOR ATIO
UU
W
1
2
3
4
8
7
6
5
TOP VIEW
R
G
–IN
+IN
–V
S
R
G
+V
S
OUTPUT
REF
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
+
ELECTRICAL CHARACTERISTICS
Consult LTC Marketing for parts specified with wider operating temperature
ranges.
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
LT1168AC/LT1168AI LT1168C/LT1168I
SYMBOL PARAMETER CONDITIONS (Note 6) MIN TYP MAX MIN TYP MAX UNITS
G Gain Range G = 1 + (49.4k/R
G
) 1 10k 1 10k
Gain Error G = 1 0.008 0.02 0.015 0.03 %
G = 10 (Note 7) 0.04 0.4 0.05 0.5 %
G = 100 (Note 7) 0.04 0.5 0.05 0.6 %
G = 1000 (Note 7) 0.08 0.5 0.08 0.6 %
Gain Nonlinearity (Notes 7, 8) V
O
= ±10V, G = 1 2 6 3 10 ppm
V
O
= ±10V,G = 10 and 100 10 20 15 25 ppm
V
O
= ±10V, G = 1000 20 40 25 60 ppm
V
O
= ±10V, G = 1, R
L
= 2k 4 15 5 20 ppm
V
O
= ±10V,G = 10 and 100, R
L
= 2k 20 40 30 60 ppm
V
O
= ±10V, G = 1000, R
L
= 2k 40 75 50 90 ppm
V
OST
Total Input Referred Offset Voltage V
OST
= V
OSI
+ V
OSO
/G
V
OSI
Input Offset Voltage G = 1000, V
S
= ±5V to ±15V 15 40 20 60 µV
V
OSO
Output Offset Voltage G = 1, V
S
= ±5V to ±15V 40 200 50 300 µV
I
OS
Input Offset Current 50 300 60 450 pA
I
B
Input Bias Current 40 250 80 500 pA
e
n
Input Noise Voltage, RTI 0.1Hz to 10Hz, G = 1 2.00 2.00 µV
P-P
0.1Hz to 10Hz, G = 1000 0.28 0.28 µV
P-P
Input Noise Voltage Density, RTI f
O
= 1kHz 10 15 10 15 nV/Hz
Output Noise Voltage Density, RTI f
O
= 1kHz (Note 9) 165 220 165 220 nV/Hz
i
n
Input Noise Current f
O
= 0.1Hz to 10Hz 5 5 pA
P-P
Input Noise Current Density f
O
= 10Hz 74 74 fA/Hz
R
IN
Input Resistance V
IN
= ±10V 300 1250 200 1250 G