Datasheet

AD8551/AD8552/AD8554 Data Sheet
Rev. F | Page 6 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
OFFSET VOLTAGE (µV)
NUMBER OF AMPLIFIERS
180
0
–2.5
0.5
120
100
60
20
2.5
40
80
140
160
–1.5
–0.5
1.5
V
SY
= 2.7V
V
CM
= 1.35V
T
A
= 25°C
01101-007
Figure 7. Input Offset Voltage Distribution at 2.7 V
INPUT COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (pA)
50
–30
5
40
30
20
–10
–20
10
0
V
SY
= 5V
T
A
= –40°C, +25°C, +85°C
+85°C
+25°C
–40°C
0 1
2
3
4
01101-008
Figure 8. Input Bias Current vs. Common-Mode Voltage
INPUT COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (pA)
1500
–2000
1000
500
0
–1000
–1500
–500
0 1
2 3
4
5
V
SY
= 5V
T
A
= 125°C
01101-009
Figure 9. Input Bias Current vs. Common-Mode Voltage
NUMBER OF AMPLIFIERS
180
0
120
100
60
20
40
80
140
160
–2.5 –1.5 –0.5 1.5
OFFSET VOLTAGE (µV)
0.5
2.5
V
SY
= 5V
V
CM
= 2.5V
T
A
= 25°C
01101-010
Figure 10. Input Offset Voltage Distribution at 5 V
NUMBER OF AMPLIFIERS
12
0
10
8
4
2
6
INPUT OFFSET DRIFT (nV/°C)
0
1
2
3 4
5
6
V
SY
= 5V
V
CM
= 2.5V
T
A
= –40°C TO +125°C
01101-011
Figure 11. Input Offset Voltage Drift Distribution at 5 V
LOAD CURRENT (mA)
10
0.1
OUTPUT VOLTAGE (mV)
1
100
10k
1k
0.0001 0.001 0.01 0.1 1 10 100
V
SY
= 5V
T
A
= 25°C
SOURCE
SINK
01101-012
Figure 12. Output Voltage to Supply Rail vs. Load Current at 5 V