Datasheet

AD822 Data Sheet
Rev. J | Page 6 of 24
V
S
= ±5 V at T
A
= 25°C, V
CM
= 0 V, V
OUT
= 0 V, unless otherwise noted.
Table 2.
Parameter Test Conditions/Comments
A Grade B Grade
Unit Min Typ Max Min Typ Max
DC PERFORMANCE
Initial Offset 0.1 0.8 0.1 0.4 mV
Maximum Offset Over Temperature 0.5 1.5 0.5 1 mV
Offset Drift 2 2 µV/°C
Input Bias Current V
CM
= −5 V to +4 V 2 25 2 10 pA
At T
MAX
0.5 5 0.5 2.5 nA
Input Offset Current 2 20 2 10 pA
At T
MAX
0.5 0.5 nA
Open-Loop Gain V
OUT
= −4 V to +4 V
R
L
= 100 kΩ 400 1000 400 1000 V/mV
T
MIN
to T
MAX
400 400 V/mV
R
L
= 10 kΩ 80 150 80 150 V/mV
T
MIN
to T
MAX
80 80 V/mV
R
L
= 1 kΩ 20 30 20 30 V/mV
T
MIN
to T
MAX
10 10 V/mV
NOISE/HARMONIC PERFORMANCE
Input Voltage Noise
f = 0.1 Hz to 10 Hz 2 2 µV p-p
f = 10 Hz 25 25 nV/√Hz
f = 100 Hz 21 21 nV/√Hz
f = 1 kHz 16 16 nV/√Hz
f = 10 kHz 13 13 nV/√Hz
Input Current Noise
f = 0.1 Hz to 10 Hz 18 18 fA p-p
f = 1 kHz 0.8 0.8 fA/√Hz
Harmonic Distortion R
L
= 10 kΩ
f = 10 kHz V
OUT
= ±4.5 V −93 −93 dB
DYNAMIC PERFORMANCE
Unity-Gain Frequency 1.9 1.9 MHz
Full Power Response V
OUT
p-p = 9 V 105 105 kHz
Slew Rate 3 3 V/µs
Settling Time
to 0.1% V
OUT
= 0 V to ±4.5 V 1.4 1.4 µs
to 0.01% V
OUT
= 0 V to ±4.5 V 1.8 1.8 µs
MATCHING CHARACTERISTICS
Initial Offset 1.0 0.5 mV
Maximum Offset Over Temperature 3 2 mV
Offset Drift 3 3 µV/°C
Input Bias Current 25 10 pA
Crosstalk @ f = 1 kHz R
L
= 5 kΩ −130 −130 dB
Crosstalk @ f = 100 kHz
R
L
= 5 kΩ
−93
−93
dB
INPUT CHARACTERISTICS
Input Voltage Range
1
, T
MIN
to T
MAX
−5.2 +4 −5.2 +4 V
Common-Mode Rejection Ratio (CMRR)
V
CM
= −5 V to +2 V
66
80
69
80
dB
T
MIN
to T
MAX
V
CM
= −5 V to +2 V 66 66 dB
Input Impedance
Differential 10
13
||0.5 10
13
||0.5 Ω||pF
Common Mode 10
13
||2.8 10
13
||2.8 Ω||pF