Datasheet

LTC6084/LTC6085
6
60845fa
TYPICAL PERFORMANCE CHARACTERISTICS
V
OS
Distribution V
OS
vs V
CM
V
OS
Drift Distribution
Input Bias vs Temperature
Input Bias Current
vs Common Mode Voltage Input Noise Voltage vs Frequency
0.1Hz to 10Hz Output Voltage
Noise Input Noise Current vs Frequency
Output Saturation Voltage
vs Load Current (Output High)
V
OS
(mV)
–1
PERCENTAGE OF UNITS (%)
20
18
14
10
6
2
16
12
8
4
0
–0.4 0.4–0.8 0 0.8
60845 G01
1–0.6 0.2–0.2 0.6
LTC6084 MS8
V
S
= 5V
V
CM
= 0.5V
T
A
= 25°C
100 UNITS
V
CM
(V)
0
V
OS
(mV)
1.0
0.8
0.4
0.0
–0.4
–0.8
0.6
0.2
–0.2
–0.6
–1.0
1.5 3.50.5 2.5 4.5
60845 G02
51324
V
S
= 5V
T
A
= 25°C
REPRESENTATIVE PARTS
DISTRIBUTION (µV/°C)
–1
PERCENT OF UNITS (%)
30
18
20
22
24
14
10
6
2
16
12
8
4
0
0.5 2.5–0.5 1.5 3.5
60845 G03
4.502134
LTC6084 MS8
V
S
= 5V
V
CM
= 2.5V
T
A
= –40°C TO 125°C
78 UNITS
28
26
TEMPERATURE (°C)
INPUT BIAS CURRENT (pA)
60845 G04
1000
100
10
1
25 115 13010085705540
V
S
= 5V
V
CM
= 2.5V
COMMON MODE VOLTAGE (V)
INPUT BIAS CURRENT (pA)
60845 G05
10000
1000
100
10
1
0.1
0.01
0 0.5 1 4.5 541.5 2 2.5 3 3.5
V
S
= 5V
T
A
= 125°C
T
A
= 85°CT
A
= 85°C
T
A
= 25°C
FREQUENCY (Hz)
INPUT NOISE VOLTAGE (nV/√Hz)
60845 G06
100
90
80
70
60
50
40
20
30
10
0
10 10k 100k1k100
V
S
= 5V
V
CM
= 2.5V
T
A
= 25°C
TIME (1s/DIV)
INPUT NOISE VOLTAGE (2µV/DIV)
60845 G07
V
S
= 5V
V
CM
= 2.5V
FREQUENCY (Hz)
NOISE CURRENT (fA/√Hz)
60845 G08
600
500
400
200
300
100
0
1 10 10k 100k1k100
LOAD CURRENT (mA)
OUTPUT HIGH SATURATION VOLTAGE (V)
60845 G09
5.0
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0.5
0.0
0.1 10 1001
V
S
= 5V
V
CM
= 2.5V
SOURCE
SINK
T
A
= –55°C
T
A
= 25°C
T
A
= 125°C