Datasheet

AD8571/AD8572/AD8574
Rev. E | Page 6 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
180
0
120
100
60
20
40
80
140
160
–1.5–2.5 –0.5 0.5 1.5 2.5
NUMBER OF AMPLIFIERS
OFFSET VOLTAGE (µV)
V
S
= 2.7V
V
CM
= 1.35V
T
A
= 25°C
01104-007
Figure 7. Input Offset Voltage Distribution
–40°C
+25°C
+85°C
50
40
30
20
10
0
–20
–10
–30
012 435
INPUT BIAS CURRENT (pA)
INPUT COMMON-MODE VOLTAGE (V)
V
S
= 5V
T
A
= –40°C, +25°C, +85°C
01104-008
Figure 8. Input Bias Current vs. Input Common-Mode Voltage
1500
–2000
1000
500
0
–1000
–1500
–500
012345
INPUT BIAS CURRENT (pA)
COMMON-MODE VOLTAGE (V)
V
S
= 5V
T
A
= 125°C
01104-009
Figure 9. Input Bias Current vs. Common-Mode Voltage
180
0
120
100
60
20
40
80
140
160
–1.5–2.5 –0.5 0.5 1.5 2.5
NUMBER OF AMPLIFIERS
OFFSET VOLTAGE (µV)
V
S
= 5V
V
CM
= 2.5V
T
A
= 25°C
0
1104-010
Figure 10. Input Offset Voltage Distribution
12
10
8
6
4
2
0
01234 65
NUMBER OF AMPLIFIERS
INPUT OFFSET DRIFT (nV/°C)
V
S
= 5V
V
CM
= 2.5V
T
A
= –40°C TO +125°C
0
1104-011
Figure 11. Input Offset Voltage Drift Distribution
SOURCE
SINK
10k
1k
100
10
1
0.1
0.0001 0.001 0.01 0.1 100101
OUTPUT VOLTAGE (mV)
LOAD CURRENT (mA)
V
S
= 5V
T
A
= 25°C
01104-012
Figure 12. Output Voltage to Supply Rail vs. Load Current