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LT1028MH

Part # LT1028MH
Description OP Amp Single GP ±22V Automotive 8-Pin TO-5
Category IC
Availability In Stock
Qty 3
Qty Price
1 - 2 $67.96226
3 + $51.48656
Manufacturer Available Qty
Linear Technology
Date Code: 8637
  • Shipping Freelance Stock: 3
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

1
LT1028/LT1128
■
Voltage Noise
1.1nV/√Hz Max. at 1kHz
0.85nV/√Hz Typ. at 1kHz
1.0nV/√Hz Typ. at 10Hz
35nV
P-P
Typ., 0.1Hz to 10Hz
■
Voltage and Current Noise 100% Tested
■
Gain-Bandwidth Product
LT1028: 50MHz Min.
LT1128: 13MHz Min.
■
Slew Rate
LT1028: 11V/µs Min.
LT1128: 5V/µs Min.
■
Offset Voltage: 40µV Max.
■
Drift with Temperature: 0.8µV/°C Max.
■
Voltage Gain: 7 Million Min.
■
Available in 8-Pin SO Package
The LT1028(gain of –1 stable)/LT1128(gain of +1 stable)
achieve a new standard of excellence in noise performance
with 0.85nV/√Hz 1kHz noise, 1.0nV/√Hz 10Hz noise. This
ultra low noise is combined with excellent high speed
specifications (gain-bandwidth product is 75MHz for
LT1028, 20MHz for LT1128), distortion-free output, and
true precision parameters (0.1µV/°C drift, 10µV offset
voltage, 30 million voltage gain). Although the LT1028/
LT1128 input stage operates at nearly 1mA of collector
current to achieve low voltage noise, input bias current is
only 25nA.
The LT1028/LT1128’s voltage noise is less than the noise
of a 50Ω resistor. Therefore, even in very low source
impedance transducer or audio amplifier applications, the
LT1028/LT1128’s contribution to total system noise will
be negligible.
Ultra Low Noise Precision
High Speed Op Amps
U
S
A
O
PP
L
IC
AT
I
Flux Gate Amplifier
Voltage Noise vs Frequency
–
+
DEMODULATOR
SYNC
OUTPUT TO
DEMODULATOR
LT1028
1k
50Ω
SQUARE
WAVE
DRIVE
1kHz
FLUX GATE
TYPICAL
SCHONSTEDT
#203132
1028/1128 TA01
FREQUENCY (Hz)
1
0.1
1
10
10
100
1028/1128 TA02
VOLTAGE NOISE DENSITY (nV/√Hz)
0.1
1k
1/f CORNER = 3.5Hz
1/f CORNER = 14Hz
TYPICAL
MAXIMUM
V
S
= ±15V
T
A
= 25°C
S
F
EA
T
U
RE
■
Low Noise Frequency Synthesizers
■
High Quality Audio
■
Infrared Detectors
■
Accelerometer and Gyro Amplifiers
■
350Ω Bridge Signal Conditioning
■
Magnetic Search Coil Amplifiers
■
Hydrophone Amplfiers
D
U
ESCRIPTIO
2
LT1028/LT1128
Supply Voltage
–55°C to 105°C ................................................ ±22V
105°C to 125°C ................................................ ±16V
Differential Input Current (Note 8) ......................±25mA
Input Voltage ............................ Equal to Supply Voltage
Output Short Circuit Duration .......................... Indefinite
A
U
G
W
A
W
U
W
ARB
S
O
LU
T
EXI T
I
S
Operating Temperature Range
LT1028/LT1128AM, M ..................... –55°C to 125°C
LT1028/LT1128AC, C ......................... –40°C to 85°C
Storage Temperature Range
All Devices ........................................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec.)................. 300°C
WU
U
PACKAGE
/
O
RDER I FOR ATIO
S8 PART MARKING
LT1028CS8
LT1128CS8
ORDER PART
NUMBER
ORDER PART
NUMBER
ORDER PART
NUMBER
1
2
3
45
6
7
8
TOP VIEW
–IN
+IN
V
–
S8 PACKAGE
8-LEAD PLASTIC SOIC
V+
OUT
+
–
V
OS
TRIM
V
OS
TRIM
OVER-
COMP
1028
1128
LT1028AMH
LT1028MH
LT1028ACH
LT1028CH
LT1028AMJ8
LT1028MJ8
LT1028ACJ8
LT1028CJ8
LT1028ACN8
LT1028CN8
LT1128AMJ8
LT1128MJ8
LT1128CJ8
LT1128ACN8
LT1128CN8
LT1028CS16
TOP VIEW
V
+
V
OS
TRIM
–IN
OUT
OVER-
COMP
+IN
V
–
(CASE)
8
7
5
3
2
1
4
H PACKAGE
8-LEAD TO-5 METAL CAN
V
OS
TRIM
+
–
6
N8 PACKAGE
8-LEAD PLASTIC DIP
1
2
3
45
6
7
8
TOP VIEW
–IN
+IN
V
–
V+
OUT
+
–
J8 PACKAGE
8-LEAD CERAMIC DIP
OVER-
COMP
V
OS
TRIM
V
OS
TRIM
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 1) 10 40 20 80 µV
∆V
OS
Long Term Input Offset (Note 2) 0.3 0.3 µV/Mo
∆Time Voltage Stability
I
OS
Input Offset Current V
CM
= 0V 12 50 18 100 nA
I
B
Input Bias Current V
CM
= 0V ±25 ±90 ±30 ±180 nA
e
n
Input Noise Voltage 0.1Hz to 10Hz (Note 3) 35 75 35 90 nV
P-P
E
LECTR
IC
AL C CHARA TERIST
ICS
V
S
= ±15V, T
A
= 25°C, unless otherwise noted.
LT1028AM/AC
LT1128AM/AC
LT1028M/C
LT1128M/C
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SOL
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
NC
TRIM
–IN
+IN
V
–
NC
NC
NC
NC
TRIM
V
+
OUT
NC
NC
NOTE: THIS DEVICE IS NOT RECOM-
MENDED FOR NEW DESIGNS
OVER-
COMP
+
–
3
LT1028/LT1128
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
Input Noise Voltage Density f
O
= 10Hz (Note 4) 1.00 1.7 1.0 1.9 nV/√Hz
f
O
= 1000Hz, 100% tested 0.85 1.1 0.9 1.2 nV/√Hz
I
n
Input Noise Current Density f
O
= 10Hz (Note 3 and 5) 4.7 10.0 4.7 12.0 pA/√Hz
f
O
= 1000Hz, 100% tested 1.0 1.6 1.0 1.8 pA/√Hz
Input Resistance
Common Mode 300 300 MΩ
Differential Mode 20 20 kΩ
Input Capacitance 5 5 pF
Input Voltage Range ±11.0 ±12.2 ±11.0 ±12.2 V
CMRR Common-Mode Rejection Ratio V
CM
= ±11V 114 126 110 126 dB
PSRR Power Supply Rejection Ratio V
S
= ±4V to ±18V 117 133 110 132 dB
A
VOL
Large-Signal Voltage Gain R
L
≥ 2k, V
O
= ±12V 7.0 30.0 5.0 30.0 V/µV
R
L
≥ 1k, V
O
= ±10V 5.0 20.0 3.5 20.0 V/µV
R
L
≥ 600Ω, V
O
= ±10V 3.0 15.0 2.0 15.0 V/µV
V
OUT
Maximum Output Voltage Swing R
L
≥ 2k ±12.3 ±13.0 ±12.0 ±13.0 V
R
L
≥ 600Ω±11.0 ±12.2 ±10.5 ±12.2 V
SR Slew Rate A
VCL
= –1 LT1028 11.0 15.0 11.0 15.0 V/µs
A
VCL
= –1 LT1128 5.0 6.0 4.5 6.0 V/µs
GBW Gain-Bandwidth Product f
O
= 20kHz (Note 6) LT1028 50 75 50 75 MHz
f
O
= 200kHz (Note 6) LT1128 13 20 11 20 MHz
Z
O
Open-Loop Output Impedance V
O
= 0, I
O
= 0 80 80 Ω
I
S
Supply Current 7.4 9.5 7.6 10.5 mA
E
LECTR
IC
AL C CHARA TERIST
ICS
V
S
= ±15V, T
A
= 25°C, unless otherwise noted.
LT1028AM/AC
LT1128AM/AC
LT1028M/C
LT1128M/C
SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 1) ● 30 120 45 180 µV
∆V
OS
Average Input Offset Drift (Note7) ● 0.2 0.8 0.25 1.0 µV/°C
∆Temp
I
OS
Input Offset Current V
CM
= 0V ● 25 90 30 180 nA
I
B
Input Bias Current V
CM
= 0V ● ±40 ±150 ±50 ±300 nA
Input Voltage Range ● ±10.3 ±11.7 ±10.3 ±11.7 V
CMRR Common-Mode Rejection Ratio V
CM
= ±10.3V ● 106 122 100 120 dB
PSRR Power Supply Rejection Ratio V
S
= ±4.5V to ±16V ● 110 130 104 130 dB
A
VOL
Large-Signal Voltage Gain R
L
≥ 2k, V
O
= ±10V ● 3.0 14.0 2.0 14.0 V/µV
R
L
≥ 1k, V
O
= ±10V 2.0 10.0 1.5 10.0 V/µV
V
OUT
Maximum Output Voltage Swing R
L
≥ 2k ● ±10.3 ±11.6 ±10.3 ±11.6 V
I
S
Supply Current ● 8.7 11.5 9.0 13.0 mA
LT1028AM
LT1128AM
LT1028M
LT1128M
E
LECTR
IC
AL C CHARA TERIST
ICS
V
S
= ±15V, –55°C ≤ T
A
≤ 125°C, unless otherwise noted.
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