Datasheet

AD524
Rev. F | Page 4 of 28
AD524A AD524B
Parameter Min Typ Max Min Typ Max Unit
INPUT
Input Impedance
Differential Resistance 10
9
10
9
Ω
Differential Capacitance 10 10 pF
Common-Mode Resistance 10
9
10
9
Ω
Common-Mode Capacitance 10 10 pF
Input Voltage Range
Maximum Differential Input Linear (V
DL
)
2
±10 ±10 V
Maximum Common-Mode Linear (V
CM
)
2
⎟
⎠
⎞
⎜
⎝
⎛
×−
D
V
2
G
V12
⎟
⎠
⎞
⎜
⎝
⎛
×−
D
V
2
G
V12
V
Common-Mode Rejection DC to 60 Hz with 1 kΩ Source Imbalance V
G = 1
70 75
dB
G = 10
90 95
dB
G = 100
100 105
dB
G = 1000
110 115
dB
OUTPUT RATING
V
OUT
, R
L
= 2 kΩ ±10 ±10 V
DYNAMIC RESPONSE
Small Signal – 3 dB
G = 1 1 1 MHz
G = 10 400 400 kHz
G = 100 150 150 kHz
G = 1000 25 25 kHz
Slew Rate 5.0 5.0 V/μs
Settling Time to 0.01%, 20 V Step
G = 1 to 100 15 15 μs
G = 1000 75 75 μs
NOISE
Voltage Noise, 1 kHz
RTI 7 7 nV/√Hz
RTO 90 90 nV√Hz
RTI, 0.1 Hz to 10 Hz
G = 1 15 15 μV p-p
G = 10 2 2 μV p-p
G = 100, 1000 0.3 0.3 μV p-p
Current Noise
0.1 Hz to 10 Hz 60 60 pA p-p
SENSE INPUT
R
IN
20 20 kΩ ± 20%
I
IN
15 15 μA
Voltage Range ±10 ±10 V
Gain to Output 1 1 %
REFERENCE INPUT
R
IN
40 40 kΩ ± 20%
I
IN
15 15 μA
Voltage Range ±10 ±10 V
Gain to Output 1 1 %