4
LT1001
1001fb
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
TIME AFTER POWER ON (MINUTES)
0
CHANGE
IN
OFFSET
VOLTAGE
(
V)
4
3
2
1
4
1001 G03
1
2
3
5
VS = ±15V
TA = 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)
VS = ±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
3.0
0.3
10
30
1001 G09
VS = ±15V
TA = 25°C
IB ≈ 1 nA to VDIFF = 0.7V
TIME (MONTHS)
0
OFFSET
VOLTAGE
CHANGE
(
V)
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
VS = ±15V
TA = 25°C
DEVICE WITH POSITIVE INPUT CURRENT
DEVICE WITH NEGATIVE INPUT CURRENT
–
+
VCM
Ib
COMMON MODE
INPUT RESISTANCE =
= 280G
28V
0.1nA
FREQUENCY (Hz)
1
3
10
30
100
0.1
1.0
3
10
100
1000
1001 G05
VOLTAGE
NOISE
nV/
√
Hz
TA = 25°C
VS = ±3 TO ±18V
VOLTAGE
CURRENT
1/f CORNER
70Hz
1/f CORNER
4Hz
0.3
CURRENT
NOISE
pA/
√
Hz
Noise Spectrum
OFFSET VOLTAGE DRIFT (
V/°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
(
V)
50
40
30
20
10
0
–10
–20
–30
–40
–50
0
50
75
1001 G02
–25
25
100
125
LT1001
LT1001A
LT1001
VS = ±15V
Warm-Up Drift
Offset Voltage Drift withTemperature
of Representative Units
Typical Distribution of Offset
Voltage Drift with Temperature