Datasheet

AD8538/AD8539 Data Sheet
Rev. B | Page 12 of 24
V
SY
= 2.7 V or ±1.35 V, AD8538 only, unless otherwise noted.
180
0
06741-024
INPUT OFFSET VOLTAGE (
µ
V)
NUMBER OF AMPLIFIERS
20
40
60
80
100
120
140
160
–10.0 –
8.4 –
6.8 –
5.2
–3.6
–
2.0 –
0.4 1.2
2.8
4.4
6.0
7.6
9.2
V
SY
= 2.7V
0V < V
CM
< 2.7V
T
A
= 25
°C
Figure 26. AD8538 Input Offset Voltage Distribution
35
0
06741-025
TCV
OS
(µV/°C)
NUMBER OF AMPLIFIERS
5
10
15
20
25
30
0 0.012 0.024 0.036 0.048 0.060 0.072 0.084 0.096
V
SY
= 2.7V
–40°C < T
A
< +125°C
Figure 27. AD8538 Input Offset Voltage Drift Distribution
10
–10
0
2.5
06741-026
INPUT COMMON-MODE VOLTAGE (V)
INPUT OFFSET VOLTAGE (µV)
–8
–6
–4
–2
0
2
4
6
8
0.5 1.0 1.5 2.0
V
SY
= 2.7V
T
A
= 25°C
Figure 28. AD8538 Input Offset Voltage vs. Input Common-Mode Voltage
10000
0.1
0.001 1
06741-027
LOAD CURRENT (mA)
OUTPUT SATURATION VOLTAGE (mV)
1
10
100
1000
0.01 0.1
SINK
SOURCE
V
SY
= 2.7V
T
A
= 25°C
Figure 29. AD8538 Output Saturation Voltage vs. Load Current
30
0
–40 125
06741-028
TEMPERATURE (°C)
OUTPUT SATURATION VOLTAGE (mV)
5
10
15
20
25
–25 –10 5
20 35
50
65 80
95 110
V
SY
= 2.7V
R
L
= 10k
Ω
V
SY
= VOH
VO
L
Figure 30. AD8538 Output Saturation Voltage vs. Temperature
80
0
1 1000
06741-029
LOAD CAPACITANCE (pF)
SMALL SIGNAL OVERSHOOT (%)
10
20
30
40
50
60
70
10 100
OS+
OS–
V
SY
= 2.7V
T
A
= 25°C
R
L
= 2kΩ
Figure 31. AD8538 Small Signal Overshoot vs. Load Capacitance