Datasheet

AD822A AD822B AD822S
1
Parameter Conditions Min Typ Max Min Typ Max Min Typ Max Units
DC PERFORMANCE
Initial Offset 0.4 2 0.3 1.5 0.4 2.0 mV
Max Offset over Temperature 0.5 3 0.5 2.5 0.5 mV
Offset Drift 2 2 2 µV/°C
Input Bias Current V
CM
= 0 V 2 25 2 12 2 25 pA
V
CM
= –10 V 40 40 40 pA
at T
MAX
V
CM
= 0 V 0.5 5 0.5 2.5 0.5 nA
Input Offset Current 2 20 2 12 2 20 pA
at T
MAX
0.5 0.5 1.5 nA
Open-Loop Gain V
O
= +10 V to –10 V
R
L
= 100 k 500 2000 500 2000 500 2000 V/mV
T
MIN
to T
MAX
500 500 V/mV
R
L
= 10 k 100 500 100 500 150 400 V/mV
T
MIN
to T
MAX
100 100 V/mV
R
L
= 1 k 30 45 30 45 30 45 V/mV
T
MIN
to T
MAX
20 20 V/mV
NOISE/HARMONIC PERFORMANCE
Input Voltage Noise
0.1 Hz to 10 Hz 2 2 2 µV p-p
f = 10 Hz 25 25 25 nV/√Hz
f = 100 Hz 21 21 21 nV/√Hz
f = 1 kHz 16 16 16 nV/√Hz
f = 10 kHz 13 13 13 nV/√Hz
Input Current Noise
0.1 Hz to 10 Hz 18 18 18 fA p-p
f = 1 kHz 0.8 0.8 0.8 fA/√Hz
Harmonic Distortion R
L
= 10 k
f = 10 kHz V
O
= ±10 V –85 –85 –85 dB
DYNAMIC PERFORMANCE
Unity Gain Frequency 1.9 1.9 1.9 MHz
Full Power Response V
O
p-p = 20 V 45 45 45 kHz
Slew Rate 3 3 3 V/µs
Settling Time
to 0.1% V
O
= 0 V to ±10 V 4.1 4.1 4.1 µs
to 0.01% 4.5 4.5 4.5 µs
MATCHING CHARACTERISTICS
Initial Offset 3 2 0.8 mV
Max Offset Over Temperature 4 2.5 1.0 mV
Offset Drift 3 3 µV/°C
Input Bias Current 25 12 25 pA
Crosstalk @ f = 1 kHz R
L
= 5 kΩ –130 –130 –130 dB
f = 100 kHz –93 –93 –93 dB
INPUT CHARACTERISTICS
Common-Mode Voltage Range
2
–15.2 14 –15.2 14 –15.2 14 V
T
MIN
to T
MAX
–15.2 14 –15.2 14 V
CMRR V
CM
= –15 V to 12 V 70 80 74 90 70 90 dB
T
MIN
to T
MAX
70 74 dB
Input Impedance
Differential 10
13
||0.5 10
13
||0.5 10
13
||0.5 Ω||pF
Common Mode 10
13
||2.8 10
13
||2.8 10
13
||2.8 Ω||pF
OUTPUT CHARACTERISTICS
Output Saturation Voltage
3
V
OL
–V
EE
I
SINK
= 20 µA 575757mV
T
MIN
to T
MAX
10 10 mV
V
CC
–V
OH
I
SOURCE
= 20 µA 1014 1014 1014mV
T
MIN
to T
MAX
20 20 mV
V
OL
–V
EE
I
SINK
= 2 mA 40 55 40 55 40 55 mV
T
MIN
to T
MAX
80 80 mV
V
CC
–V
OH
I
SOURCE
= 2 mA 80 110 80 110 80 110 mV
T
MIN
to T
MAX
160 160 mV
V
OL
–V
EE
I
SINK
= 15 mA 300 500 300 500 300 500 mV
T
MIN
to T
MAX
1000 1000 mV
V
CC
–V
OH
I
SOURCE
= 15 mA 800 1500 800 1500 800 1500 mV
T
MIN
to T
MAX
1900 1900 mV
Operating Output Current 20 20 20 mA
T
MIN
to T
MAX
15 15 mA
Capacitive Load Drive 350 350 350 pF
POWER SUPPLY
Quiescent Current T
MIN
to T
MAX
1.4 1.8 1.4 1.8 1.4 mA
Power Supply Rejection V
S
+ = 5 V to 15 V 70 80 70 80 70 80 dB
T
MIN
to T
MAX
70 70 dB
AD822–SPECIFICATIONS (V
S
= 615 volts @ T
A
= +258C, V
CM
= 0 V, V
OUT
= 0 V unless otherwise noted)
REV. A
–4–