Datasheet

2
LT1227
1
2
3
45
6
7
8
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
NULL
–IN
+IN
V
–
SHDN
V
+
OUT
NULL
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
WU
U
PACKAGE
/
O
RDER I FOR ATIO
Supply Voltage ..................................................... ±18V
Input Current ...................................................... ±15mA
Output Short Circuit Duration (Note 2) ........ Continuous
Operating Temperature Range
LT1227C.................................................. 0°C to 70°C
LT1227M (OBSOLETE) .................... –55°C to 125°C
Storage Temperature Range ................. –65°C to 150°C
Junction Temperature
Plastic Package ................................................ 150°C
Ceramic Package (OBSOLETE) ........................ 175°C
Lead Temperature (Soldering, 10 sec.)................ 300°C
N8 PACKAGE
8-LEAD PLASTIC DIP
1
2
3
45
6
7
8
TOP VIEW
NULL
–IN
+IN
V
–
SHDN
V
+
OUT
NULL
J8 PACKAGE
8-LEAD CERAMIC DIP
T
JMAX
= 150°C, θ
JA
= 100°C/W (N)
T
JMAX
= 150°C, θ
JA
= 150°C/W
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage T
A
= 25°C ±3 ±10 mV
● ±15 mV
Input Offset Voltage Drift ● 10 µV/°C
I
IN
+ Noninverting Input Current T
A
= 25°C ±0.3 ±3 µA
● ±10 µA
I
IN
– Inverting Input Current T
A
= 25°C ±10 ±60 µA
● ±100 µA
e
n
Input Noise Voltage Density f = 1kHz, R
F
= 1k, R
G
= 10Ω, R
S
= 0Ω 3.2 nV/√Hz
+i
n
Noninverting Input Noise Current Density f = 1kHz 1.7 pA/√Hz
–i
n
Inverting Input Noise Current Density f = 1kHz 32 pA/√Hz
R
IN
Input Resistance V
IN
= ±13V, V
S
= ±15V ● 1.5 14 MΩ
V
IN
= ±3V, V
S
= ±5V ● 1.5 11 MΩ
C
IN
Input Capacitance 3pF
Input Voltage Range V
S
= ±15V, T
A
= 25°C ±13 ±13.5 V
● ±12 V
V
S
= ±5V, T
A
= 25°C ±3 ±3.5 V
● ±2V
CMRR Common Mode Rejection Ratio V
S
= ±15V, V
CM
= ±13V, T
A
= 25°C5562 dB
V
S
= ±15V, V
CM
= ±12V ● 55 dB
V
S
= ±5V, V
CM
= ±3V, T
A
= 25°C5561dB
V
S
= ±5V, V
CM
= ±2V ● 55 dB
E
LECTR
IC
AL C CHARA TERIST
ICS
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CM
= 0, ±5V ≤ V
S
≤ ±15V, pulse tested, unless otherwise noted.
S8 PART MARKING
ORDER PART
NUMBER
LT1227CS8
LT1227CN8
1227
ORDER PART
NUMBER
T
JMAX
= 175°C, θ
JA
= 100°C/W (J)
LT1227MJ8
OBSOLETE PACKAGE
Consult LTC Marketing for parts specified with wider operating temperature ranges.
(Note 1)
Consider the N8 Package for Alternate Source.