AD8538/AD8539
SPECIFICATIONS
AD8538 ELECTRICAL SPECIFICATIONS
@ VS = 5.0 V, VCM = 2.5 V, VO = 2.5 V, TA = 25°C, unless otherwise specified.
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
IB
5
13
30
25
100
1.0
50
150
5
μV
μV
pA
pA
nA
pA
pA
V
−40°C ≤ TA ≤ +125°C
Input Bias Current
15
35
0.7
20
−40°C ≤ TA ≤ +85°C
−40°C ≤ TA ≤ +125°C
Input Offset Current
IOS
−40°C ≤ TA ≤ +125°C
Input Voltage Range
0
Common-Mode Rejection Ratio
CMRR
AVO
VCM = 0 V to 5 V
115
100
115
110
150
135
141
135
0.03
dB
dB
dB
dB
μV/°C
−40°C ≤ TA ≤ +125°C, VCM = 0.2 V to 4.8 V
RL = 10 kΩ, VO = 0.1 V to 4.9 V
−40°C ≤ TA ≤ +125°C
Large Signal Voltage Gain
Offset Voltage Drift
−40°C ≤ TA ≤ +125°C
0.1
ΔVOS/ΔT
VOH
OUTPUT CHARACTERISTICS
Output Voltage High
RL = 100 kΩ to ground
−40°C ≤ TA ≤ +125°C, RL = 100 kΩ to ground
RL = 10 kΩ to ground
−40°C ≤ TA ≤ +125°C, RL = 10 kΩ to ground
RL = 100 kΩ to V+
−40°C ≤ TA ≤ +125°C, RL = 100 kΩ to V+
RL = 10 kΩ to V+
4.99
4.98
4.95
4.94
4.998
4.970
V
V
V
V
mV
mV
mV
mV
mA
Output Voltage Low
VOL
1.9
2.8
17
20
25
5
7
20
30
−40°C ≤ TA ≤ +125°C, RL = 10 kΩ to V+
Short-Circuit Limit
POWER SUPPLY
ISC
Power Supply Rejection Ratio
PSRR
ISY
VS = 2.7 V to 5.0 V
−40°C ≤ TA ≤ +125°C
IO = 0
105
100
125
125
150
190
dB
dB
μA
μA
Supply Current/Amplifier
180
215
−40°C ≤ TA ≤ +125°C
DYNAMIC PERFORMANCE
Slew Rate
Settling Time 0.01%
Overload Recovery Time
Gain Bandwidth Product
Phase Margin
SR
tS
RL =10 kΩ
G = 1, 2 V step, CL = 20 pF, RL = 1 kΩ
0.4
10
0.05
430
65
V/μs
ꢀs
ms
kHz
Degrees
GBP
ØM
RL = 10 kΩ, RL = 100 kΩ, CL = 20 pF
NOISE PERFORMANCE
Voltage Noise
Voltage Noise Density
en p-p
en
f = 0.1 Hz to 10 Hz
f = 1 kHz
2.0
50
μV p-p
nV/√Hz
Rev. A | Page 3 of 24
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