AD797
SPECIFICATIONS
TA = 25°C and VS = 15 V dc, unless otherwise noted.
Table 1.
Supply
AD797A
Typ
2±
AD797B
Typ
ꢀ0
Parameter
Conditions
Voltage (V)
±± V, ±ꢀ± V
Min
Max
80
Min
Max
40
Unit
μV
INPUT OFFSET VOLTAGE
TMIN to TMAX
±0
ꢀ2±/ꢀ80
ꢀ.0
30
60
μV
Offset Voltage Drift
±± V, ±ꢀ± V
±± V, ±ꢀ± V
0.2
0.2
0.6
0.9
2.0
200
300
μV/°C
μA
INPUT BIAS CURRENT
0.2±
0.±
ꢀ.±
0.2±
0.2±
80
TMIN to TMAX
3.0
μA
INPUT OFFSET CURRENT
OPEN-LOOP GAIN
±± V, ±ꢀ± V
±ꢀ± V
ꢀ00
ꢀ20
20
400
nA
TMIN to TMAX
VOUT = ±ꢀ0 V
RLOAD = 2 kΩ
TMIN to TMAX
RLOAD = 600 Ω
TMIN to TMAX
@ 20 kHzꢀ
600/700
ꢀ20
20
nA
ꢀ
ꢀ
ꢀ
ꢀ
2
2
2
2
V/μV
V/μV
V/μV
V/μV
V/V
6
ꢀ0
ꢀ±
ꢀ±
±
7
ꢀ4,000 20,000
ꢀ4,000 20,000
DYNAMIC PERFORMANCE
Gain Bandwidth Product
G = ꢀ000
±ꢀ± V
ꢀ± V
ꢀꢀ0
4±0
8
ꢀꢀ0
4±0
8
MHz
MHz
MHz
kHz
G = ꢀ0002
–3 dB Bandwidth
Full Power Bandwidthꢀ
G = ꢀ0
±ꢀ± V
±ꢀ± V
VOUT = 20 V p-p,
280
280
R
LOAD = ꢀ kΩ
Slew Rate
RLOAD = ꢀ kΩ
ꢀ0 V step
±ꢀ± V
ꢀ2.±
20
ꢀ2.±
20
V/μs
Settling Time to 0.00ꢀ±%
COMMON-MODE REJECTION
±ꢀ± V
800
ꢀ30
ꢀ20
ꢀ30
ꢀ20
±0
ꢀ200
800
ꢀ30
ꢀ20
ꢀꢀ4
ꢀ20
±0
ꢀ200 ns
VCM = CMVR
TMIN to TMAX
±± V, ±ꢀ± V
ꢀꢀ4
ꢀꢀ0
ꢀꢀ4
ꢀꢀ0
ꢀ20
ꢀꢀ4
ꢀ20
ꢀ30
dB
dB
dB
dB
POWER SUPPLY REJECTION
INPUT VOLTAGE NOISE
VS = ±± V to ±ꢀ8 V
TMIN to TMAX
f = 0.ꢀ Hz to ꢀ0 Hz
f = ꢀ0 Hz
±ꢀ± V
nV p-p
±ꢀ± V
ꢀ.7
0.9
ꢀ.0
2.0
±ꢀ2
±3
ꢀ.7
2.±
ꢀ.2
ꢀ.2
nV/√Hz
f = ꢀ kHz
±ꢀ± V
ꢀ.2
ꢀ.3
0.9
nV/√Hz
f = ꢀ0 Hz to ꢀ MHz
f = ꢀ kHz
±ꢀ± V
ꢀ.0
μV rms
INPUT CURRENT NOISE
±ꢀ± V
2.0
pA/√Hz
INPUT COMMON-MODE VOLTAGE RANGE
±ꢀ± V
±ꢀꢀ
±2.±
±ꢀ2
±ꢀꢀ
±2.±
±ꢀꢀ
±2.±
±ꢀ3
±ꢀ3
±3
±ꢀ2
±3
V
±± V
V
OUTPUT VOLTAGE SWING
RLOAD = 2 kΩ
RLOAD = 600 Ω
RLOAD = 600 Ω
±ꢀ± V
±ꢀ3
±ꢀ3
±3
±ꢀ2
±ꢀꢀ
±2.±
V
±ꢀ± V
V
±± V
V
Short-Circuit Current
Output Current3
±± V, ±ꢀ± V
±± V, ±ꢀ± V
±ꢀ± V
80
80
mA
mA
dB
30
±0
30
±0
TOTAL HARMONIC DISTORTION
RLOAD = ꢀ kΩ, CN = ±0 pF,
f = 2±0 kHz, 3 V rms
−98
−90
−98
−90
RLOAD = ꢀ kΩ,
±ꢀ± V
−ꢀ20
−ꢀꢀ0
−ꢀ20
−ꢀꢀ0 dB
f = 20 kHz, 3 V rms
INPUT CHARACTERISTICS
Input Resistance
Differential
7.±
7.±
kΩ
Common Mode
Input Capacitance
Differential4
ꢀ00
ꢀ00
MΩ
20
±
20
±
pF
pF
Common Mode
Rev. F | Page 3 of 20
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