Datasheet

4
LT1001
1001fb
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
TIME AFTER POWER ON (MINUTES)
0
CHANGE IN OFFSET VOLTAGE (µV)
4
3
2
1
4
1001 G03
1
2
3
5
V
S
= ±15V
T
A
= 25°C
METAL CAN (H) PACKAGE
DUAL-IN-LINE PACKAGE
PLASTIC (N) OR CERDIP (J)
Long Term Stability of Four
Representative Units
0.1Hz to 10Hz Noise
TIME (SECONDS)
0
NOISE VOLTAGE 100nV/DIV
8
1001 G04
2
4
6
10
TEMPERATURE (°C)
–50
1.4
1.2
1.0
0.8
0.6
0.4
0.2
25 75
1001 G07
–25 0
50 100 125
INPUT BIAS AND OFFSET CURRENTS (nA)
V
S
= ±15V
BIAS CURRENT
OFFSET CURRENT
Input Bias and Offset Current
vs Temperature
±DIFFERENTIAL INPUT (V)
0.1
0
INVERTING OR NON-INVERTING
INPUT BIAS CURRENT (mA)
10
20
30
1.0 3.00.3 10 30
1001 G09
V
S
= ±15V
T
A
= 25°C
I
B
≈ 1 nA to V
DIFF
= 0.7V
TIME (MONTHS)
0
OFFSET VOLTAGE CHANGE (µV)
4
1001 G06
1
2
3
5
10
5
0
–5
–10
COMMON MODE INPUT VOLTAGE
–15
INPUT BIAS CURRENT (nA)
1.5
1.0
0.5
0
–.5
–1.0
–1.5
–10
–5 0 5
1001 G08
10 15
V
S
= ±15V
T
A
= 25°C
DEVICE WITH POSITIVE INPUT CURRENT
DEVICE WITH NEGATIVE INPUT CURRENT
–
+
V
CM
I
b
COMMON MODE
INPUT RESISTANCE = = 280GΩ
28V
0.1nA
FREQUENCY (Hz)
1
1
3
10
30
100
0.1
1.0
3
10
10 100 1000
1001 G05
VOLTAGE NOISE nV/√Hz
T
A
= 25°C
V
S
= ±3 TO ±18V
VOLTAGE
CURRENT
1/f CORNER
70Hz
1/f CORNER
4Hz
0.3
CURRENT NOISE pA/√Hz
Noise Spectrum
OFFSET VOLTAGE DRIFT (µV/°C)
–1.0
NUMBER OF UNITS
100
80
60
40
20
+0.2
1001 G01
–0.6
–0.2
0
+0.6 +1.0
265 UNITS
TESTED
Input Bias Current
Over the Common Mode Range
Input Bias Current vs
Differential Input Voltage
TEMPERATURE (°C)
–50
OFFSET VOLTAGE (µV)
50
40
30
20
10
0
–10
–20
–30
–40
–50
0
50
75
1001 G02
–25
25
100
125
LT1001
LT1001A
LT1001A
LT1001
V
S
= ±15V
Warm-Up Drift
Offset Voltage Drift withTemperature
of Representative Units
Typical Distribution of Offset
Voltage Drift with Temperature