LT1028 LINER [Linear Technology], LT1028 Datasheet - Page 5

• Manufacturer Part Number: LT1028
• Description: Ultra Low Noise Precision High Speed Op Amps
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFOR
10nV
180
140
120
100
160
100
80
40
0.1
60
20
10
0
1
0.6
10Hz Voltage Noise Distribution
1
0
Total Noise vs Matched Source
Resistance
0.1Hz to 10Hz Voltage Noise
V
T
A
S
0.8
= 25°C
= ±15V
MATCHED SOURCE RESISTANCE ( )
VOLTAGE NOISE DENSITY (nV/ Hz)
3
R
R
S
S
8
148
70
2
1.0
10
158
–
+
57
28
AT 10Hz
1.2
2 R
30
7 4
TIME (SEC)
4
2 3 2 2
S
NOISE ONLY
100 300
1.4
1.6
6
1
2
V
T
500 UNITS
MEASURED
FROM 4 RUNS
A
S
LT1020/1120 • TPC01
LT1028/1128 • TPC04
= ±15V
= 25°C
AT 1kHz
1.8
3 2 1 1 1
1k
LT1028/1128 • TPC07
V
T
W
S
A
8
= ±15V
= 25°C
2.0
3k
A
U
10k
2.2
10
CE
C
10nV
100
HARA TERISTICS
0.1
10
1
0
1
0.01Hz to 1Hz Voltage Noise
Wideband Noise, DC to 20kHz
Total Noise vs Unmatched
Source Resistance
V
T
A
S
UNMATCHED SOURCE RESISTANCE ( )
= 25°C
= ±15V
3
R
HORIZONTAL SCALE = 0.5ms/DIV
S
20
VERTICAL SCALE = 0.5 V/DIV
C
10
AT 10Hz
30
40
TIME (SEC)
2 R
100 300
S
NOISE ONLY
60
LT1028/1128 • TPC05
1k
AT 1kHz
V
T
LT1028/1128 • TPC07
S
A
80
= ±15V
= 25°C
3k
10k
100
0.01
100
1.2
O.4
0.1
2.0
1.6
0.8
0.1
10
10
1
0
1
100
–50
10
Wideband Voltage Noise
(0.1Hz to Frequency Indicated)
Current Noise Spectrum
Voltage Noise vs Temperature
MAXIMUM
TYPICAL
V
V
T
S
A
S
–25
= ±15V
= ±15V
= 25°C
LT1028/LT1128
1k
0
TEMPERATURE (°C)
100
BANDWIDTH (Hz)
FREQUENCY (Hz)
AT 10Hz
10k
1/f CORNER = 250Hz
1/f CORNER = 800Hz
25
AT 1kHz
50
100k
1k
75
LT1028/1128 • TPC06
LT1028/1128 • TPC03
LT1028/1128 • TPC09
1M
100
5
10M
10k
125