Datasheet

AD8251
Rev. B | Page 8 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, +V
S
= +15 V, −V
S
= −15 V, R
L
= 10 k, unless otherwise noted.
INPUT OFFSET CURRENT (nA)
800
400
600
200
0
500
700
300
100
3020100
06287-009
NUMBER OF UNITS
–30 –10–20
CMRR (µV/V)
2700
0
120
06287-006
NUMBER OF UNITS
2400
2100
1800
1500
1200
900
600
300
–120 –90 –60 –30 0 30 60 90
Figure 9. Typical Distribution of Input Offset Current
Figure 6. Typical Distribution of CMRR, G = 1
06287-010
90
0
1 100k
FREQUENCY (Hz)
NOISE (nV/Hz)
10 100 1k 10k
80
70
60
50
40
30
20
10
G = 1
G = 2
G = 4
G = 8
INPUT OFFSET VOLTAGE, V
OSI
, RTI (µV)
500
300
100
400
200
0
2001000
06287-007
NUMBER OF UNITS
–200 –100
Figure 10. Voltage Spectral Density Noise vs. Frequency
Figure 7. Typical Distribution of Offset Voltage, V
OSI
0
6287-011
1s/DIV2µV/DIV
INPUT BIAS CURRENT (nA)
800
400
600
200
0
3020100
06287-008
NUMBER OF UNITS
–30 –10–20
Figure 11. 0.1 Hz to 10 Hz RTI Voltage Noise, G = 1
Figure 8. Typical Distribution of Input Bias Current