Datasheet

Data Sheet ADA4522-1/ADA4522-2/ADA4522-4
Rev. F | Page 3 of 33
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—5.0 V OPERATION
V
SY
= 5.0 V, V
CM
= V
SY
/2 V, 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
= V
SY
/2 0.7 5 μV
−40°C ≤ T
A
≤ +125°C 6.5 μV
Offset Voltage Drift TCV
OS
2.5 15 nV/°C
Input Bias Current I
B
50 150 pA
−40°C ≤ T
A
≤ +85°C 500 pA
−40°C ≤ T
A
≤ +125°C 2 nA
Input Offset Current I
OS
80 250 pA
−40°C ≤ T
A
≤ +85°C 350 pA
−40°C ≤ T
A
≤ +125°C 500 pA
Input Voltage Range IVR 0 3.5 V
Common-Mode Rejection Ratio CMRR ADA4522-1, ADA4522-2, V
CM
= 0 V to 3.5 V 135 155 dB
ADA4522-4, V
CM
= 0 V to 3.5 V 130 145 dB
−40°C ≤ T
A
≤ +125°C 130 dB
Large Signal Voltage Gain A
V
R
L
= 10 kΩ, V
OUT
= 0.5 V to 4.5 V 125 145 dB
−40°C ≤ T
A
≤ +125°C 125 dB
Input Resistance
Differential Mode R
INDM
30 kΩ
Common Mode R
INCM
100 GΩ
Input Capacitance
Differential Mode C
INDM
7 pF
Common Mode C
INCM
35 pF
OUTPUT CHARACTERISTICS
Output Voltage
High V
OH
R
L
= 10 kΩ to V
SY
/2 4.97 4.98 V
−40°C ≤ T
A
≤ +125°C 4.95 V
Low V
OL
R
L
= 10 kΩ to V
SY
/2 20 30 mV
−40°C ≤ T
A
≤ +125°C 50 mV
Continuous Output Current I
OUT
Dropout voltage = 1 V 14 mA
Short-Circuit Current Source I
SC+
22 mA
T
A
= 125°C 15 mA
Short-Circuit Current Sink I
SC−
29 mA
T
A
= 125°C 19 mA
Closed-Loop Output Impedance Z
OUT
f = 1 MHz, A
V
= 1 4 Ω
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
SY
= 4.5 V to 55 V 150 160 dB
−40°C ≤ T
A
≤ +125°C 145 dB
Supply Current per Amplifier I
SY
ADA4522-2, ADA4522-4, I
OUT
= 0 mA 830 900 μA
ADA4522-2, ADA4522-4, −40°C ≤ T
A
≤ +125°C 950 μA
ADA4522-1, I
OUT
= 0 mA 840 910 μA
ADA4522-1, −40°C ≤ T
A
≤ +125°C 970 μA
DYNAMIC PERFORMANCE
Slew Rate SR+ R
L
= 10 kΩ, C
L
= 50 pF, A
V
= 1 1.4 V/μs
SR− R
L
= 10 kΩ, C
L
= 50 pF, A
V
= 1 1.3 V/μs
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