LT1113 Datasheet, PDF (6/16 Pages) Linear Technology – Dual Low Noise, Precision, JFET Input Op Amps

LT1113
TYPICAL PERFOR A CE CHARACTERISTICS
0.1Hz to 10Hz Voltage Noise
1kHz Output Voltage Noise
Density vs Source Resistance
10k
+
V_N
1k
–
R_SOURCE
100
Voltage Noise vs Frequency
100
T_A = 25°C
V_S = ±15V
10
0
2
4
6
8
10
TIME (SEC)
1113 G01
10 _VN
SOURCE
RESISTANCE
T_A = 25°C
ONLY
V_S = ±15V
1
100 1k 10k 100k 1M 10M 100M 1G
SOURCE RESISTANCE (Ω)
1113 G02
Voltage Noise vs
Chip Temperature
10
9 ^{VS = ±15V}
8
7
6
5
4
3
2
1
0
–75 –50 –25 0 25 50 75 100 125
TEMPERATURE (°C)
1113 G04
Common-Mode Limit vs
Temperature
V⁺ –0
–0.5
–1.0
V⁺ = 5V TO 20V
–1.5
–2.0
4.0
3.5
3.0
2.5
V^– +2.0
–60
V ^– = –5V TO –20V
–20 20
60 100 140
TEMPERATURE (°C)
1113 G07
Input Bias and Offset Currents vs
Chip Temperature
100n
30n ^{VS = ±15V}
10n
3n
1n
300p
I_B, V_CM = 0V
I_B, V_CM = 10V
100p
30p
10p
I_OS, V_CM = 0V
3p
I_OS, V_CM = 10V
1p
–75 –50 –25 0 25 50 75 100 125
TEMPERATURE (°C)
1113 G04
Common-Mode Rejection Ratio
vs Frequency
120
T_A = 25°C
100
V_S = ±15V
80
60
40
20
0
1k
10k
100k
1M
10M
FREQUENCY (Hz)
1113 G08
1/f CORNER
120Hz
TYPICAL
1
1
10
100
1k
10k
FREQUENCY (Hz)
1113 G03
Input Bias and Offset Currents
Over the Common-Mode Range
400
T_A = 25°C
V_S = ±15V
NOT WARMED UP
300
200
BIAS CURRENT
100
0
–15
OFFSET CURRENT
–10 –5 0 5 10 15
COMMON-MODE RANGE (V)
1113 G06
Power Supply Rejection Ratio
vs Frequency
120
T_A = 25°C
100
80
+PSRR
60
–PSRR
40
20
0
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
1113 G09
6