Datasheet

6
LT1168
1168fa
Distribution of Input Offset
Voltage
Distribution of Output Offset
Voltage
Distribution of Output Offset
Voltage Drift
Distribution of Input Offset
Voltage Drift
Output Offset Voltage
Long-Term Drift
TYPICAL PERFOR A CE CHARACTERISTICS
UW
OUTPUT OFFSET VOLTAGE (µV)
–150
0
PERCENT OF UNITS (%)
10
20
30
40
60
–100
–50 0 50
1168 G01
100 150
50
5
15
25
35
55
45
V
S
= ±15V
T
A
= 25°C
G = 1
299 N8 (2 LOTS)
337 S0-8 (2 LOTS)
636 TOTAL PARTS
INPUT OFFSET VOLTAGE (µV)
–60
0
PERCENT OF UNITS (%)
10
20
30
40
60
–40
–20 0 20
1168 G02
40 60
50
5
15
25
35
55
45
V
S
= ±15V
T
A
= 25°C
G = 1000
299 N8 (2 LOTS)
337 S0-8 (2 LOTS)
636 TOTAL PARTS
OUTPUT OFFSET VOLTAGE DRIFT (µV/°C)
–1.8
0
PERCENT OF UNITS (%)
5
15
20
25
35
1168 G03
10
30
–1.0
0.2
–1.4
–0.6 –0.2
V
S
= ±15V
T
A
= –40°C TO 85°C
G = 1
97 N8 (2 LOTS)
49 S0-8 (1 LOT)
146 TOTAL PARTS
INPUT OFFSET VOLTAGE DRIFT (µV/°C)
–0.45
0
PERCENT OF UNITS (%)
5
15
20
25
35
1168 G04
10
30
–0.25
0.05
–0.35
–0.15 –0.05
97 N8 (2 LOTS)
49 S0-8 (1 LOT)
146 TOTAL PARTS
V
S
= ±15V
T
A
= –40°C TO 85°C
G = 1000
TIME (MONTHS)
0
–50
CHANGE IN OUTPUT OFFSET VOLTAGE (µV)
–30
–10
10
1
2
1168 G05
30
50
–40
–20
0
20
40
3
V
S
= ±15V
T
A
= 30°C
G = 1
4 PARTS FROM 4 LOTS
WARMED UP
Input Offset Voltage
Long-Term Drift
TIME (MONTHS)
0
–5
CHANGE IN INPUT OFFSET VOLTAGE (µV)
–3
–1
1
1
2
1168 G05
3
5
–4
–2
0
2
4
3
V
S
= ±15V
T
A
= 30°C
G = 1000
4 PARTS FROM 4 LOTS
WARMED UP
Warm-Up Drift Gain vs Frequency
Voltage Noise Density
vs Frequency
TIME AFTER POWER-ON (MINUTES)
012345
CHANGE IN TOTAL INPUT REFERRED
OFFSET VOLTAGE (µV)
1168 G07
35
30
25
20
15
10
5
0
SO-8
N-8
V
S
= ±15V
T
A
= 25°C
G = 1
FREQUENCY (kHz)
GAIN (dB)
1168 G08
0.01
60
50
40
30
20
10
0
–10
–20
1 100 10000.1 10
G = 1000
G = 100
G = 10
G = 1
V
S
= ±15V
T
A
= 25°C
FREQUENCY (Hz)
1 10 100 1k 10k 100k
1
VOLTAGE NOISE DENSITY (nV/√Hz)
10
100
1000
1168 G09
V
S
= ±15V
T
A
= 25°C
1/f CORNER = 2Hz
GAIN = 1
GAIN = 10
GAIN = 100, 1000
1/f CORNER = 7Hz
1/f CORNER = 3Hz
BW LIMIT
GAIN = 1000
BW LIMIT
GAIN = 100