(@ + 25؇C and V = ؎15 V dc, unless otherwise noted.)
AD648–SPECIFICATIONS
S
AD648J/A/S
Typ
AD648K/B/T
Typ
Model
Min
Max
Min
Max
Unit
INPUT OFFSET VOLTAGE1
Initial Offset
0.75
2.0
0.3
1.0
T
MIN to TMAX
vs. Temperature
vs. Supply
3.0/3.0/3.0
20
1.5/1.5/2.0
10
mV
µV/°C
dB
80
76/76/76
86
80
vs. Supply, TMIN to TMAX
dB
Long-Term Offset Stability
15
5
15
3
µV/month
INPUT BIAS CURREN
Either Input,2 VCM = 0
20
10
pA
nA
Either Input2 at TMAX, VCM = 0
Max Input Bias Current Over
Common-Mode Voltage Range
Offset Current, VCM = 0
0.45/1.3/20
0.25/0.65/10
30
10
15
5
pA
pA
nA
5
2
Offset Current at TMAX
0.25/0.7/10
0.15/0.35/5
MATCHING CHARACTERISTICS3
Input Offset Voltage
Input Offset Voltage TMIN to TMAX
Input Offset Voltage vs. Temperature
Input Bias Current
1.0
8
2.0
3.0/3.0/3.0
0.5
5
1.0
1.5/1.5/2.0
mV
mV
µV/°C
pA
10
5
Crosstalk
–120
–120
dB
INPUT IMPEDANCE
Differential
Common Mode
1 × 101 2ʈ3
3 × 1012ʈ3
1 × 1012ʈ3
3 × 1012ʈ3
ΩʈpF
ΩʈpF
INPUT VOLTAGE RANGE
Differential4
Common Mode
20
12
20
12
V
V
11
11
Common-Mode Rejection
VCM
MIN to TMAX
VCM 11 V
=
10 V
76
76/76/76
70
82
82
76
76
dB
dB
dB
dB
T
=
TMIN to TMAX
70/70/70
INPUT VOLTAGE NOISE
Voltage 0.1 Hz to 10 Hz
f = 10 Hz
2
2
µV p-p
80
40
30
30
80
40
30
30
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
f = 100 Hz
f = 1 kHz
f = 10 kHz
INPUT CURRENT NOISE
f = 1 kHz
1.8
1.8
fA/√Hz
FREQUENCY RESPONSE
Unity Gain, Small Signal
Full Power Response
Slew Rate, Unity Gain
Settling Time to 0.01%
0.8
1.0
1.0
30
1.8
8
0.8
1.0
1.0
30
1.8
8
MHz
kHz
V/µs
µs
OPEN-LOOP GAIN
VO
MIN to TMAX, RL ≥ 10 kΩ
VO 10 V, RL ≥ 5 kΩ
TMIN to TMAX, RL ≥ 5 kΩ
=
10 V, RL ≥ 10 kΩ
300
1000
300
300
150
150
1000
700
500
300
V/mV
V/mV
V/mV
V/mV
T
300/300/300 700
150 500
150/150/150 300
=
REV. E
–2–
ADI [ ADI ]
