AD549
Rev. H | Page 3 of 20
SPECIFICATIONS
@ 25°C and VS = ±15 V dc, unless otherwise noted; all minimum and maximum specifications are guaranteed; specifications in boldface
are tested on all production units at final electrical test, and results from those tests are used to calculate outgoing quality levels.
Table 1.
AD549J
AD549K
AD549L
AD549S
Parameter
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
Either Input, VCM = 0 V
150
250
75
100
40
60
75
100
fA
Either Input, VCM = ±10 V
150
250
75
100
40
60
75
100
fA
Either Input at TMAX,
VCM = 0 V
11
4.2
2.8
420
pA
Offset Current
50
30
20
30
fA
Offset Current at TMAX
2.2
1.3
0.85
125
pA
Initial Offset
0.5
1.0
0.15
0.25
0.3
0.5
0.3
0.5
mV
Offset at TMAX
1.9
0.4
0.9
2.0
mV
vs. Temperature
10
20
2
5
5
10
10
15
μV/°C
vs. Supply
32
100
10
32
10
32
10
32
μV/V
vs. Supply, TMIN to TMAX
32
100
10
32
10
32
32
50
μV/V
Long-Term Offset Stability
15
μV/month
INPUT VOLTAGE NOISE
f = 0.1 Hz to 10 Hz
4
6
4
μV p-p
f = 10 Hz
90
nV/√Hz
f = 100 Hz
60
nV/√Hz
f = 1 kHz
35
nV/√Hz
f = 10 kHz
35
nV/√Hz
INPUT CURRENT NOISE
f = 0.1 Hz to 10 Hz
0.7
0.5
0.36
0.5
fA rms
f = 1 kHz
0.22
0.16
0.11
0.16
fA/√Hz
INPUT IMPEDANCE
Differential
VDIFF = ±1
1013||1
Ω||pF
Common Mode
VCM = ±10 V
1015||0.8
Ω||pF
OPEN-LOOP GAIN
VOUT @ ±10 V, RL = 10 kΩ
300
1000
300
1000
300
1000
300
1000
V/mV
VOUT @ ±10 V, RL = 10 kΩ,
TMIN to TMAX
300
800
300
800
300
800
300
800
V/mV
VOUT = ±10 V, RL = 2 kΩ
100
250
100
250
100
250
100
250
V/mV
VOUT = ±10 V, RL = 2 kΩ,
TMIN to TMAX
80
200
80
200
80
200
25
150
V/mV
INPUT VOLTAGE RANGE
±20
V
Common-Mode Voltage
10
+10
10
+10
10
+10
10
+10
V
Common-Mode Rejection
Ratio
10 V ≤ VCM ≤ +10 V
80
90
90
100
90
100
90
100
dB
TMIN to TMAX
76
80
80
90
80
90
80
90
dB