LT1028/LT1128
ORDER INFORMATION
LEAD FREE FINISH
LT1028ACN8#PBF
LT1028CN8#PBF
LT1128ACN8#PBF
LT1128CN8#PBF
LT1028CS8#PBF
LT1128CS8#PBF
LT1028CSW#PBF
TAPE AND REEL
PART MARKING*
LT1028ACN8
LT1028CN8
LT1128ACN8
LT1128CN8
1028
PACKAGE DESCRIPTION
8-Lead PDIP
SPECIFIED TEMPERATURE RANGE
0°C to 70°C
N/A
N/A
8-Lead PDIP
0°C to 70°C
N/A
8-Lead PDIP
0°C to 70°C
N/A
8-Lead PDIP
0°C to 70°C
LT1028CS8#TRPBF
LT1128CS8#TRPBF
LT1028CSW#TRPBF
8-Lead Plastic Small Outline
8-Lead Plastic Small Outline
16-Lead Plastic SOIC (Wide)
0°C to 70°C
1128
0°C to 70°C
LT1028CSW
0°C to 70°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/. Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
ELECTRICAL CHARACTERISTICS VS = 1ꢀV, TA = 2ꢀ°C unless otherwise noted.
LT1028AM/AC
LT1128AM/AC
LT1028M/C
LT1128M/C
SYMBOL
PARAMETER
CONDITIONS
(Note 2)
MIN
TYP
10
MAX
MIN
TYP
20
MAX
UNITS
µV
V
Input Offset Voltage
40
80
OS
∆V
Long Term Input Offset
Voltage Stability
(Note 3)
0.3
0.3
µV/Mo
OS
∆Time
I
I
Input Offset Current
Input Bias Current
V
V
= 0V
= 0V
12
25
35
50
90
75
18
30
35
100
180
90
nA
nA
OS
B
CM
CM
e
Input Noise Voltage
Input Noise Voltage Density
0.1Hz to 10Hz (Note 4)
nV
P-P
n
f = 10Hz (Note 5)
1.00
0.85
1.7
1.1
1.0
0.9
1.9
1.2
nV/√Hz
nV/√Hz
O
f = 1000Hz, 100% Tested
O
I
Input Noise Current Density
f = 10Hz (Notes 4 and 6)
O
4.7
1.0
10.0
1.6
4.7
1.0
12.0
1.8
pA/√Hz
pA/√Hz
n
O
f = 1000Hz, 100% Tested
Input Resistance
Common Mode
Differential Mode
300
20
300
20
MΩ
kΩ
Input Capacitance
5
5
pF
V
Input Voltage Range
11.0
114
117
12.2
126
133
11.0
110
110
12.2
126
132
CMRR
PSRR
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Large-Signal Voltage Gain
V
=
11V
dB
dB
CM
V = 4V to 18V
S
A
R ≥ 2k, V = 12V
7.0
5.0
3.0
30.0
20.0
15.0
5.0
3.5
2.0
30.0
20.0
15.0
V/µV
V/µV
V/µV
VOL
L
L
L
O
O
R ≥ 1k, V = 10V
R ≥ 600Ω, V = 10V
O
V
Maximum Output Voltage Swing
Slew Rate
R ≥ 2k
L
12.3
11.0
13.0
12.2
12.0
10.5
13.0
12.2
V
V
OUT
L
R ≥ 600Ω
SR
A
A
= –1
= –1
LT1028
LT1128
11.0
5.0
15.0
6.0
11.0
4.5
15.0
6.0
V/µs
V/µs
VCL
VCL
GBW
Gain-Bandwidth Product
f = 20kHz (Note 7)
O
LT1028
LT1128
50
13
75
20
50
11
75
20
MHz
MHz
O
f = 200kHz (Note 7)
Z
Open-Loop Output Impedance
Supply Current
V = 0, I = 0
80
80
Ω
O
O
O
I
S
7.4
9.5
7.6
10.5
mA
1028fd
3
For more information www.linear.com/LT1028
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