Datasheet

LTC6081/LTC6082
7
60812fd
For more information www.linear.com/LTC6081
FREQUENCY (Hz)
NOISE VOLTAGE (nV/√Hz)
1
110
100
90
80
70
60
50
40
30
20
10
0
100 1k 100k
60812 G09
10 10k
V
S
= 3V
V
CM
= 0.5V
V
S
= 5V
V
CM
= 0.5V
T
A
= 25°C
TIME AFTER POWER UP (s)
0
CHANGE IN OFFSET VOLTAGE (µV)
60
60812 G08
3530252010 155
50 5540 45
25
20
15
10
5
0
–5
T
A
= 25°C
V
CM
= 0.5V
V
S
= 3V
V
S
= 5V
V
CM
(V)
0
V
OS
(µV)
4 52 31
60812 G06
140
120
100
80
–40
–20
20
0
40
60
V
S
= 5V
T
A
= 25°C
REPRESENTATIVE PARTS
V
CM
(V)
0
V
OS
(µV)
2.5 3.01.5 2.00.5 1.0
60812 G05
40
30
20
10
–40
–30
–20
–10
0
V
S
= 3V
T
A
= 25°C
REPRESENTATIVE PARTS
V
OSDRIFT
(µV/°C)
NUMBER OF AMPS (OUT OF 100)
30
25
20
15
10
5
0
0.20
60812 G01
0.30–0.10–0.20 0 0.10
LTC6081MS8
T
A
= –40°C TO 125°C
V
S
= 3V
V
CM
= 0.5V
V
OSDRIFT
(µV/°C)
NUMBER OF AMPS (OUT OF 100)
25
20
15
10
5
0
60812 G02
0.20–0.10–0.20–0.30 0 0.10
LTC6081DFN
T
A
= –40°C TO 125°C
V
S
= 3V
V
CM
= 0.5V
TEMPERATURE (°C)
–50
V
OS
(µV)
110 130
60812 G03
–10
30
70
90
–30
10
50
25
20
15
10
5
0
–5
–10
–15
–20
LTC6081MS8
V
S
= 3V
V
CM
= 0.5V
REPRESENTATIVE PARTS
Typical perForMance characTerisTics
V
OS
Drift Histogram V
OS
Drift Histogram V
OS
vs Temperature
V
OS
Histogram V
OS
vs V
CM
V
OS
vs V
CM
V
OS
vs Output Current Warm-Up Drift vs Time Noise Voltage vs Frequency
V
OS
(µV)
NUMBER OF AMPS (OUT OF 100)
6.5
60812 G04
10.5–5.5–9.5 –1.5 2.5
LTC6081MS8
T
A
= 25°C
V
S
= 3V
V
CM
= 0.5V
18
16
14
12
10
8
6
4
2
0
OUTPUT CURRENT (mA)
–6
V
OS
(µV)
4 6
60812 G07
–2
20
–4
200
150
100
50
0
–50
–100
V
S
= 5V
V
CM
= 2.5V
T
A
= 125°C
T
A
= 25°C
T
A
= 55°C
SINKING
CURRENT
SOURCING CURRENT