Datasheet

6
LT1113
1113fb
CCHARA TERIST
ICS
UW
AT
Y
P
I
CA
LPER
F
O
R
C
E
FREQUENCY (Hz)
1
1
10
100
100 10k
1113 G03
10 1k
RMS VOLTAGE NOISE DENSITY (nV/√Hz)
1/f CORNER
120Hz
TYPICAL
T
A
= 25°C
V
S
= ±15V
Voltage Noise vs Frequency
Input Bias and Offset Currents
Over the Common Mode Range
Common Mode Limit vs
Temperature
Power Supply Rejection Ratio
vs Frequency
FREQUENCY (Hz)
10
POWER SUPPLY REJECTION RATIO (dB)
120
100
80
60
40
20
0
100
1k 10k 100k
1113 G09
1M 10M
T
A
= 25°C
+PSRR
–PSRR
FREQUENCY (Hz)
COMMON-MODE REJECTION RATIO (dB)
120
100
80
60
40
20
0
1k 100k 1M 10M
1113 G08
10k
T
A
= 25°C
V
S
= ±15V
Common Mode Rejection Ratio vs
Frequency
1kHz Output Voltage Noise
Density vs Source Resistance
SOURCE RESISTANCE (Ω)
10k
1k
100
10
1
100 10k 100k 1M1k
10M
1113 G02
TOTAL 1kHz VOLTAGE NOISE DENSITY (nV/√Hz)
100M
1G
–
+
V
N
R
SOURCE
T
A
= 25°C
V
S
= ±15V
V
N
SOURCE
RESISTANCE
ONLY
Voltage Noise vs
Chip Temperature
TEMPERATURE (°C)
–75
10
9
8
7
6
5
4
3
2
1
0
–25
50
75
1113 G04
–50 25
100
125
0
VOLTAGE NOISE (AT1kHz)(nV/√Hz)
V
S
= ±15V
TEMPERATURE (°C)
–75
100n
30n
10n
3n
1n
300p
100p
30p
10p
3p
1p
–25
50
75
1113 G04
–50 25
100
125
0
INPUT BIAS AND OFFSET CURRENTS (A)
V
S
= ±15V
I
B
, V
CM
= 10V
I
OS
, V
CM
= 0V
I
B
, V
CM
= 0V
I
OS
, V
CM
= 10V
Input Bias and Offset Currents vs
Chip Temperature
TIME (SEC)
0
VOLTAGE NOISE (1µV/DIV)
8
1113 G01
2
4
6
10
0.1Hz to 10Hz Voltage Noise
TEMPERATURE (°C)
–60
COMMON MODE LIMIT (V)
REFERRED TO POWER SUPPLY
V
+
–0
–0.5
–1.0
–1.5
–2.0
4.0
3.5
3.0
2.5
V
–
+2.0
100
1113 G07
–20
20
60
140
V
+
= 5V TO 20V
V
–
= –5V TO –20V
COMMON MODE RANGE (V)
–15
INPUT BIAS AND OFFSET CURRENTS (pA)
400
300
200
100
0
–10 –5 0 5
1113 G06
10 15
T
A
= 25°C
V
S
= ±15V
NOT WARMED UP
OFFSET CURRENT
BIAS CURRENT