AD8538/AD8539

Rev. A | Page 12 of 24

V = 2.7 V or ±1.35 V, AD8538 only, unless otherwise noted.

SY

10000

0.1

0.001

1

LOAD CURRENT (mA)

1

10

100

1000

0.01

0.1

SINK

SOURCE

180

0

INPUT OFFSET VOLTAGE (µV)

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

Figure 26. AD8538 Input Offset Voltage Distribution

Figure 29. AD8538 Output Saturation Voltage vs. Load Current

35

0

5

10

15

20

25

30

0

0.012 0.024 0.036 0.048 0.060 0.072 0.084 0.096

30

0

–40

125

TEMPERATURE (°C)

5

10

15

20

25

–25 –10

5

203550

658095

110

VOL

Figure 30. AD8538 Output Saturation Voltage vs. Temperature

Figure 27. AD8538 Input Offset Voltage Drift Distribution

10

–10

02

INPUT COMMON-MODE VOLTAGE (V)

.5

–8

–6

–4

–2

0

2

4

6

8

0.5

1.0

1.5

2.0

80

0

1

1000

LOAD CAPACITANCE (pF)

10

20

30

40

50

60

70

10

100

OS+

OS–

Figure 31. AD8538 Small Signal Overshoot vs. Load Capacitance

Figure 28. AD8538 Input Offset Voltage vs. Input Common-Mode Voltage