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
V
40°C ≤ TA ≤ +125°C
30
V
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 k, 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
V/°C
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 100 k to ground
2.68
2.693
V
40°C ≤ TA ≤ +125°C, RL = 100 k to ground
2.68
V
RL = 10 k to ground
2.67
2.68
V
40°C ≤ TA ≤ +125°C, RL = 10 k to ground
2.66
V
Output Voltage Low
VOL
RL = 100 k to V+
5
7
mV
40°C ≤ TA ≤ +125°C, RL = 100 k to V+
6
8
mV
RL = 10 k to V+
14
20
mV
40°C ≤ TA ≤ +125°C, RL = 10 k 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
A
40°C ≤ TA ≤ +125°C
225
A
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 10 k
0.35
V/s
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
M
RL = 10 k, RL = 100 k, CL = 20 pF
65
Degrees
NOISE PERFORMANCE
Voltage Noise
en p-p
f = 0.1 Hz to 10 Hz
2.0
V p-p
Voltage Noise Density
en
f = 1 kHz
55
nV/√Hz