Datasheet
2
LT1995
1995fb
SYMBOL PARAMETER CONDITIONS V
SUPPLY
MIN TYP MAX UNITS
GE Gain Error V
OUT
= ±12V, R
L
= 1k, G = 1 ±15V 0.05 0.2 %
V
OUT
= ±12V, R
L
= 1k, G = 2 ±15V 0.05 0.2 %
V
OUT
= ±12V, R
L
= 1k, G = 4 ±15V 0.05 0.2 %
V
OUT
= ±5V, R
L
= 150Ω, G = 1 ±15V 0.05 0.25 %
V
OUT
= ±2.5V, R
L
= 500Ω, G = 1 ±5V 0.05 0.2 %
V
OUT
= ±2.5V, R
L
= 150Ω, G = 1 ±5V 0.05 0.25 %
GNL Gain Nonlinearity V
OUT
= ±12V, R
L
= 1k, G = 1 ±15V 10 ppm
V
OS
Input Offset Voltage G = 1 (MS10) ±15V 1 5 mV
Referred to Input (Note 7) G = 1 (DD10) ±15V 1.5 9 mV
G = 2 (MS10) ±15V 0.7 4 mV
G = 2 (DD10) ±15V 1.2 6.8 mV
G = 4 (MS10) ±15V 0.6 3.75 mV
G = 4 (DD10) ±15V 0.9 5.6 mV
G = 1 (MS10) ±5V 1 5 mV
G = 1 (DD10) ±5V 1.4 9 mV
G = 1 (MS10) ±2.5V 1 5 mV
G = 1 (DD10) ±2.5V 1.3 9 mV
Difference Amplifier Configuration. T
A
= 25°C, V
REF
= V
CM
= 0V and unused gain pins are unconnected, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
Total Supply Voltage (V
+
to V
–
) .............................. 36V
Input Current (Note 2) ....................................... ±10mA
Output Short-Circuit Duration (Note 3) ........... Indefinite
Operating Temperature Range (Note 4) .. – 40°C to 85°C
Specified Temperature Range (Note 5) ... – 40°C to 85°C
ABSOLUTE MAXIMUM RATINGS
W
WW
U
(Note 1)
Storage Temperature Range
MS Package .................................... – 65°C to 150°C
DD Package ..................................... – 65°C to 125°C
Maximum Junction Temperature
MS Package ..................................................... 150°C
DD Package ..................................................... 125°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ORDER PART
NUMBER
LT1995CDD
LT1995IDD
T
JMAX
= 125°C, θ
JA
= 160°C/W (NOTE 6)
EXPOSED PAD INTERNALLY CONNECTED TO V
S
–
PCB CONNECTION OPTIONAL
PACKAGE/ORDER INFORMATION
W
U
U
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grades are identified by a label on the shipping container.
TOP VIEW
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
M1
M2
M4
V
S
+
OUT
P1
P2
P4
V
S
–
REF
+
–
DD PART
MARKING*
LBJF
LBJF
ORDER PART
NUMBER
LT1995CMS
LT1995IMS
MS PART
MARKING*
LTBJD
LTBJD
1
2
3
4
5
P1
P2
P4
V
S
–
REF
10
9
8
7
6
M1
M2
M4
V
S
+
OUT
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
+
–
T
JMAX
= 150°C, θ
JA
= 160°C/W (NOTE 6)
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/