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
A
R
BSOLUTEXI
TI
S
WU
U
PACKAGE/ORDER 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
TJMAX = 150°C, θJA = 100°C/W (N)
TJMAX = 150°C, θJA = 150°C/W
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOS
Input Offset Voltage
TA = 25°C
±3
±10
mV
q
±15
mV
Input Offset Voltage Drift
q
10
V/°C
IIN+
Noninverting Input Current
TA = 25°C
±0.3
±3
A
q
±10
A
Inverting Input Current
TA = 25°C
±10
±60
A
q
±100
A
en
Input Noise Voltage Density
f = 1kHz, RF = 1k, RG = 10, RS = 0
3.2
nV/
√Hz
+in
Noninverting Input Noise Current Density
f = 1kHz
1.7
pA/
√Hz
–in
Inverting Input Noise Current Density
f = 1kHz
32
pA/
√Hz
RIN
Input Resistance
VIN = ±13V, VS = ±15V
q
1.5
14
M
VIN = ±3V, VS = ±5V
q
1.5
11
M
CIN
Input Capacitance
3pF
Input Voltage Range
VS = ±15V, TA = 25°C
±13
±13.5
V
q
±12
V
VS = ±5V, TA = 25°C
±3
±3.5
V
q
±2V
CMRR
Common Mode Rejection Ratio
VS = ±15V, VCM = ±13V, TA = 25°C55
62
dB
VS = ±15V, VCM = ±12V
q
55
dB
VS = ±5V, VCM = ±3V, TA = 25°C55
61
dB
VS = ±5V, VCM = ±2V
q
55
dB
ELECTRICAL C
C
HARA TERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCM = 0, ±5V ≤ VS ≤ ±15V, pulse tested, unless otherwise noted.
S8 PART MARKING
ORDER PART
NUMBER
LT1227CS8
LT1227CN8
1227
ORDER PART
NUMBER
TJMAX = 175°C, θJA = 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.