Datasheet

ADA4528-1/ADA4528-2 Data Sheet
Rev. F | Page 4 of 24
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
−3 dB Closed-Loop Bandwidth f
−3dB
V
IN
= 10 mV p-p, R
L
= 10 kΩ, C
L
= 100 pF, A
V
= +1 6.2 MHz
Overload Recovery Time R
L
= 10 kΩ, C
L
= 100 pF, A
V
= −10 50 μs
NOISE PERFORMANCE
Voltage Noise e
n
p-p f = 0.1 Hz to 10 Hz, A
V
= +100 97 nV p-p
Voltage Noise Density e
n
f = 1 kHz, A
V
= +100 5.6 nV/√Hz
f = 1 kHz, A
V
= +100, V
CM
= 2.0 V 5.5 nV/√Hz
Current Noise i
n
p-p f = 0.1 Hz to 10 Hz, A
V
= +100 10 pA p-p
Current Noise Density
i
n
f = 1 kHz, A
V
= +100
0.7
pA/√Hz
ELECTRICAL CHARACTERISTICS—5 V OPERATION
V
SY
= 5 V, V
CM
= V
SY
/2, T
A
= 25°C, unless otherwise specified.
Table 3.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
V
CM
= 0 V to 5 V 0.3 2.5 μV
−40°C ≤ T
A
≤ +125°C 4 μV
Offset Voltage Drift ΔV
OS
/ΔT −40°C ≤ T
A
≤ +125°C 0.002 0.015 μV/°C
Input Bias Current I
B
ADA4528-1
90 200 pA
−40°C ≤ T
A
≤ +125°C 300 pA
ADA4528-2
125 250 pA
−40°C ≤ T
A
≤ +125°C 350 pA
Input Offset Current I
OS
ADA4528-1
180 400 pA
−40°C ≤ T
A
≤ +125°C 500 pA
ADA4528-2
250 500 pA
−40°C ≤ T
A
≤ +125°C 600 pA
Input Voltage Range 0 5 V
Common-Mode Rejection Ratio CMRR V
CM
= 0 V to 5 V 137 160 dB
−40°C ≤ T
A
≤ +125°C 122 dB
Open-Loop Gain A
VO
R
L
= 10 kΩ, V
O
= 0.1 V to 4.9 V 127 139 dB
−40°C ≤ T
A
≤ +125°C
125
dB
R
L
= 2 kΩ, V
O
= 0.1 V to 4.9 V 121 131 dB
−40°C ≤ T
A
≤ +125°C 120 dB
Input Resistance
Differential Mode R
INDM
190 kΩ
Common Mode R
INCM
1 GΩ
Input Capacitance
Differential Mode C
INDM
16.5 pF
Common Mode C
INCM
33 pF
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
R
L
= 10 kΩ to V
CM
4.99 4.995 V
−40°C ≤ T
A
≤ +125°C 4.98 V
R
L
= 2 kΩ to V
CM
4.96 4.98 V
−40°C ≤ T
A
≤ +125°C 4.94 V
Output Voltage Low V
OL
R
L
= 10 kΩ to V
CM
5 10 mV
−40°C ≤ T
A
≤ +125°C 20 mV
R
L
= 2 kΩ to V
CM
20 40 mV
−40°C ≤ T
A
≤ +125°C 60 mV
Short-Circuit Current I
SC
±40 mA
Closed-Loop Output Impedance Z
OUT
f = 1 kHz, A
V
= +10 0.1 Ω
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