Typical Performance Characteristics–
AD8551/AD8552/AD8554
180
160
140
120
100
80
50
1,500
V
V
T
= +2.7V
= +1.35V
= +25؇C
SY
V
T
= +5V
= +125؇C
V
T
= +5V
= ؊40؇C, +25؇C, +85؇C
SY
SY
CM
40
30
1,000
500
0
A
A
A
+85؇C
20
10
+25؇C
؊40؇C
؊500
0
60
؊1,000
؊1,500
؊2,000
؊10
؊20
؊30
40
20
0
5
0
1
2
3
4
5
0
1
2
3
4
؊2.5
؊1.5
؊0.5
0.5
1.5
2.5
INPUT COMMON-MODE VOLTAGE – V
OFFSET VOLTAGE – V
INPUT COMMON-MODE VOLTAGE – V
Figure 1. Input Offset Voltage
Distribution at +2.7 V
Figure 2. Input Bias Current vs.
Common-Mode Voltage
Figure 3. Input Bias Current vs.
Common-Mode Voltage
180
160
140
120
100
80
10k
12
V
V
= +5V
= +2.5V
= +25؇C
SY
V
= +5V
= +25؇C
SY
V
V
T
= +5V
= +2.5V
= ؊40؇C TO +125؇C
SY
CM
T
A
T
10
8
CM
A
1k
100
10
A
6
SOURCE
SINK
60
4
2
0
40
1
20
0
0.1
؊2.5
؊1.5
؊0.5
0.5
1.5
2.5
0
1
2
3
4
5
6
1
LOAD CURRENT – mA
10
100
0.0001 0.001 0.01
0.1
OFFSET VOLTAGE – V
INPUT OFFSET DRIFT – nV/؇C
Figure 4. Input Offset Voltage
Distribution at +5 V
Figure 5. Input Offset Voltage Drift
Distribution at +5 V
Figure 6. Output Voltage to Supply
Rail vs. Output Current at +5 V
0
10k
1.0
V
= +2.7V
= +25؇C
SY
V
V
= +2.5V
= +5V
CM
SY
+5V
T
A
0.8
1k
100
10
؊250
؊500
+2.7V
0.6
SOURCE
SINK
0.4
؊750
1
0.2
0
0.1
؊1000
؊75 ؊50 ؊25
0
25 50 75 100 125 150
1
10
100
0
0.0001 0.001 0.01
0.1
؊75 ؊50 ؊25
25 50 75 100 125 150
TEMPERATURE – ؇C
TEMPERATURE – ؇C
LOAD CURRENT – mA
Figure 7. Output Voltage to Supply
Rail vs. Output Current at +2.7 V
Figure 8. Bias Current vs. Temperature
Figure 9. Supply Current vs.
Temperature
REV. 0
–5–
ADI [ ADI ]
