Datasheet

Data Sheet ADA4528-1/ADA4528-2
Rev. D | Page 3 of 28
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—2.5 V OPERATION
V
SY
= 2.5 V, V
CM
= V
SY
/2, T
A
= 25°C, unless otherwise specified.
Table 2.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
V
CM
= 0 V to 2.5 V 0.3 2.5 μV
−40°C ≤ T
A
≤ +125°C, MSOP package 4 μV
−40°C ≤ T
A
≤ +125°C, LFCSP package 4.3 μV
Offset Voltage Drift ΔV
OS
/ΔT −40°C ≤ T
A
≤ +125°C, MSOP package 0.002 0.015 μV/°C
−40°C ≤ T
A
≤ +125°C, LFCSP package
0.018
μV/°C
Input Bias Current I
B
220 400 pA
−40°C ≤ T
A
≤ +125°C 600 pA
Input Offset Current I
OS
440 800 pA
−40°C ≤ T
A
≤ +125°C 1 nA
Input Voltage Range
0
2.5
V
Common-Mode Rejection Ratio CMRR V
CM
= 0 V to 2.5 V 135 158 dB
−40°C ≤ T
A
≤ +125°C 116 dB
Open-Loop Gain
A
VO
R
L
= 10 kΩ, V
O
= 0.1 V to 2.4 V
130
140
dB
−40°C ≤ T
A
≤ +125°C 126 dB
ADA4528-1
R
L
= 2 kΩ, V
O
= 0.1 V to 2.4 V 125 132 dB
−40°C ≤ T
A
≤ +125°C 121 dB
ADA4528-2
R
L
= 2 kΩ, V
O
= 0.1 V to 2.4 V 122 132 dB
−40°C ≤ T
A
≤ +125°C 119 dB
Input Resistance
Differential Mode R
INDM
225 kΩ
Common Mode R
INCM
1 GΩ
Input Capacitance
Differential Mode C
INDM
15 pF
Common Mode C
INCM
30 pF
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
R
L
= 10 kΩ to V
CM
2.49 2.495 V
−40°C ≤ T
A
≤ +125°C 2.485 V
R
L
= 2 kΩ to V
CM
2.46 2.48 V
−40°C ≤ T
A
≤ +125°C 2.44 V
Output Voltage Low V
OL
R
L
= 10 kΩ to V
CM
5 10 mV
−40°C ≤ T
A
≤ +125°C 15 mV
R
L
= 2 kΩ to V
CM
20 40 mV
−40°C ≤ T
A
≤ +125°C 60 mV
Short-Circuit Current I
SC
±30 mA
Closed-Loop Output Impedance
Z
OUT
f = 1 kHz, A
V
= +10
0.1
Ω
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
SY
= 2.2 V to 5.5 V 130 150 dB
−40°C ≤ T
A
≤ +125°C 127 dB
Supply Current per Amplifier
I
SY
I
O
= 0 mA
1.4
1.7
mA
−40°C ≤ T
A
≤ +125°C 2.1 mA
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 10 kΩ, C
L
= 100 pF, A
V
= +1 0.45 V/μs
Settling Time to 0.1%
t
S
V
IN
= 1.5 V step, R
L
= 10 kΩ, C
L
= 100 pF, A
V
= −1
7
µs
Unity-Gain Crossover UGC V
IN
= 10 mV p-p, R
L
= 10 kΩ, C
L
= 100 pF, A
V
= +1 4 MHz
Phase Margin Φ
M
V
IN
= 10 mV p-p, R
L
= 10 kΩ, C
L
= 100 pF, A
V
= +1 57 Degrees
Gain Bandwidth Product GBP V
IN
= 10 mV p-p, R
L
= 10 kΩ, C
L
= 100 pF, A
V
= +100 3 MHz
−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