AD8538/AD8539

Data Sheet

Rev. B | Page 6 of 24

@ VS = 2.7 V, VCM = 1.35 V, VO = 1.35 V, TA = 25°C, unless otherwise specified.

Table 4.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Offset Voltage

VOS

5

16

µV

−40°C ≤ TA ≤ +125°C

30

µV

Input Bias Current

IB

15

25

pA

−40°C ≤ TA ≤ +85°C

35

125

pA

−40°C ≤ TA ≤ +125°C

0.7

1.0

nA

Input Offset Current

IOS

20

50

pA

−40°C ≤ TA ≤ +125°C

300

pA

Input Voltage Range

0

2.7

V

−40°C ≤ TA ≤ +125°C

0.2

2.5

Common-Mode Rejection Ratio

CMRR

VCM = 0 V to 2.7 V

110

130

dB

−40°C ≤ TA ≤ +125°C, VCM = 0.2 V to 2.5 V

100

125

dB

Large Signal Voltage Gain

AVO

RL = 10 kΩ, VO = 0.1 V to 2.6 V

110

130

dB

−40°C ≤ TA ≤ +125°C

105

125

dB

Offset Voltage Drift

∆VOS/∆T

−40°C ≤ TA ≤ +125°C

0.03

0.1

µV/°C

OUTPUT CHARACTERISTICS

Output Voltage High

VOH

RL = 100 kΩ to ground

2.68

2.693

V

−40°C ≤ TA ≤ +125°C, RL = 100 kΩ to ground

2.68

V

RL = 10 kΩ to ground

2.67

2.68

V

−40°C ≤ TA ≤ +125°C, RL = 10 kΩ to ground

2.66

V

Output Voltage Low

VOL

RL = 100 kΩ to V+

5

7

mV

−40°C ≤ TA ≤ +125°C, RL = 100 kΩ to V+

6

8

mV

RL = 10 kΩ to V+

14

20

mV

−40°C ≤ TA ≤ +125°C, RL = 10 kΩ to V+

20

25

mV

Short-Circuit Limit

ISC

±8

mA

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

VS = 2.7 V to 5.5 V

105

125

dB

−40°C ≤ TA ≤ +125°C

100

125

dB

Supply Current/Amplifier

ISY

IO = 0

210

µA

−40°C ≤ TA ≤ +125°C

225

µA

DYNAMIC PERFORMANCE

Slew Rate

SR

RL = 10 kΩ

0.35

V/µs

Settling Time 0.01%

tS

G = ±1, 1 V step, CL = 20 pF, RL = ∞

8

μs

Overload Recovery Time

0.05

ms

Gain Bandwidth Product

GBP

430

kHz

Phase Margin

ØM

RL = 10 kΩ, RL = 100 kΩ, CL = 20 pF

65

Degrees

NOISE PERFORMANCE

Voltage Noise

en p-p

f = 0.1 Hz to 10 Hz

2.0

µV p-p

Voltage Noise Density

en

f = 1 kHz

55

nV/√Hz