LT1078/LT1079
W
U
TYPICAL PERFORMANCE CHARACTERISTICS
Input Bias and Offset Currents
vs Temperature
Input Bias Current
vs Common Mode Voltage
Supply Current vs Temperature
100
50
0
0
–2
55
50
45
40
35
30
25
V
= 5V, 0V
V
S
= 5V, 0V TO ±15V
S
I
OS
V
= ±15V
S
T
= –55°C
A
–4
T
= 25°C
A
–6
T
= 125°C
A
–5
–6
–7
V
= 5V, 0V
S
–8
I
B
–10
–12
–1
0
1
2
3
4
50
TEMPERATURE (°C)
100 125
–50
0
25
50
75
125
–50 –25
0
25
75
100
–25
COMMON MODE VOLTAGE (V)
TEMPERATURE (°C)
LT1078/79 • TPC03
LT1078/79 • TPC01
LT1078/79 • TPC02
0.1Hz to 10Hz Noise
0.01Hz to 10Hz Noise
Noise Spectrum
1000
T
S
= 25°C
T
= 25°C
T
= 25°C
A
A
S
A
S
V
= ±2.5V
V
= ±2.5V
V
= ±2.5V
CHANNEL A
(AT V = ±15V
S
VOLTAGE NOISE
IS 4% LESS
300
100
CURRENT
NOISE
CURRENT NOISE
IS UNCHANGED)
CHANNEL B
CHANNEL A
CHANNEL B
0.4µV
VOLTAGE
NOISE
30
10
1/f CORNER
0.7Hz
0
20
40
60
80
100
0.1
1
10
100
1000
0
2
4
6
8
10
FREQUENCY (Hz)
TIME (SEC)
TIME (SEC)
LT1078/79 • TPC06
LT1078/79 • TPC05
LT1078/79 • TPC04
Distribution of Offset Voltage Drift
with Temperature (In All Packages
Except Surface Mount)
Long Term Stability of Two
Representative Units (LT1078)
10Hz Voltage Noise Distribution
25
20
15
10
5
35
30
25
20
15
10
5
15
10
120
T
= 25°C, V = 5V, 0V
CM
V
V
= 5V, 0V
= 0.1V
A
S
T
S
= 25°C
S
CM
A
109
V
= 0.1V
V
= ±2.5V
120 LT1078'S
70 LT1079'S
520 OP AMPS
329 OP AMPS TESTED
FROM THREE RUNS
1A
2B
89
85
5
106 LT1078'S
45 LT1079'S
0
47
44
–5
–10
–15
1B
2A
7
5
4
3
3
1
1
1
1
0
0
35
40
25
30
–2
–1
0
1
2
0
1
2
3
4
5
TIME (MONTHS)
OFFSET VOLTAGE DRIFT WITH TEMPERATURE (µV/°C)
VOLTAGE NOISE DENSITY (nV/√Hz)
LT1078/79 • TPC08
LT1078/79 • TPC07
LT078/79 • TPC09
7
Linear [ Linear ]
