LT1124/LT1125
TYPICAL PERFOR A CE CHARACTERISTICS
0.1Hz to 10Hz Voltage Noise
0.01Hz to 1Hz Voltage Noise
100
RMS VOLTAGE NOISE DENSITY (nV/
√
Hz)
VOLTAGE NOISE (40nV/DIV)
VOLTAGE NOISE (40nV/DIV)
0
2
4
6
TIME (SECONDS)
Current Noise vs Frequency
10.0
RMS CURRENT NOISE DENSITY (pA/
√
Hz)
INPUT BIAS OR OFFSET CURRENT (nA)
SOURCING
V
S
=
±15V
T
A
= 25°C
SHORT-CIRCUIT CURRENT (mA)
3.0
1.0
MAXIMUM
0.3
1/f CORNER
100Hz
0.1
10
100
1k
FREQUENCY (Hz)
10k
1124 G04
SINKING
TYPICAL
Input Bias Current Over the
Common Mode Range
COMMON MODE REJECTION RATIO (dB)
V
S
=
±15V
T
A
= 25°C
15
20
160
140
120
100
80
60
40
20
0
POWER SUPPLY REJECTION RATIO (dB)
INPUT BIAS CURRENT (nA)
10
5
0
–5
– 10
–15
–20
–15
–10
–5
5
10
0
COMMON MODE INPUT VOLTAGE (V)
15
DEVICE WITH NEGATIVE
INPUT CURRENT
DEVICE WITH POSITIVE
INPUT CURRENT
U W
8
10
1124/25 G01
1124/25 G07
Voltage Noise vs Frequency
V
S
=
±15V
T
A
= 25°C
30
10
MAXIMUM
3
1/f CORNER
2.3Hz
1
0.1
1.0
TYPICAL
0
20
40
60
TIME (SECONDS)
80
100
10
100
FREQUENCY (Hz)
1000
1124/25 G03
1124/25 G02
Input Bias or Offset Current
vs Temperature
30
V
S
=
±15V
50
40
30
20
10
0
–10
–20
–30
–40
–50
Output Short-Circuit Current
vs Time
V
S
=
±15V
25°C
– 55°C
125°C
20
10
125°C
25°C
–55°C
1
0
2
3
4
TIME FROM OUTPUT SHORT TO GND (MINUTES)
LT1124 G06
LT1124M/LT1125M
LT1124AM/LT1125AM
0
–75 –50 –25 0
25 50 75
TEMPERATURE (°C)
100 125
1124/25 G05
Common Mode Rejection Ratio
vs Frequency
T
A
= 25°C
V
S
=
±15V
V
CM
=
±10V
160
140
120
100
80
Power Supply Rejection Ratio
vs Frequency
T
A
= 25°C
– PSRR
60
+PSRR
40
20
0
10
2
10
3
10
4
10
5
10
6
FREQUENCY (Hz)
10
7
10
8
1124/25 G09
1k
10k
100k
1M
FREQUENCY (Hz)
10M
1124/25 G08
1
10
5
LINER [ LINEAR TECHNOLOGY ]
