Datasheet

AD822 Data Sheet
Rev. J | Page 12 of 24
LOAD RESISTANCE (Ω)
10M
1M
10k
100 100k
OPEN-LOOP GAIN (V/V)
100k
1k 10k
V
S
= 0V, +5V
V
S
= ±15V
V
S
= 0V, +3V
00874-010
Figure 10. Open-Loop Gain vs. Load Resistance
TEMPERATURE (°C)
10M
1M
10k
–60 140–40
OPEN-LOOP GAIN (V/V)
–20 0 20
40 60 80 100 120
100k
R
L
= 100kΩ
R
L
= 10kΩ
R
L
= 600Ω
V
S
= ±15V
V
S
= 0
V, +5V
V
S
= ±15V
V
S
= 0V
, +5V
V
S
= ±15V
V
S
= 0V
, +5V
00874-011
Figure 11. Open-Loop Gain vs. Temperature
OUTPUT VOLT
AGE (V)
300
–300
–16 16–12
INPUT ERROR VOLTAGE (mV)
–8 –4 0 4 8 12
200
100
0
–100
–200
R
L
= 100kΩ
R
L
= 10kΩ
R
L
= 600Ω
00874-012
Figure 12. Input Error Voltage vs. Output Voltage for Resistive Loads
OUTPUT VOLTAGE FROM SUPP
LY
RAILS (mV)
40
20
–40
60
INPUT ERROR VOLTAGE (µV)
120 180
240
0
–20
POS RAIL
NEG RAIL
NEG RAIL
NEG RAIL
POS RAIL
R
L
= 20kΩ
R
L
= 2kΩ
R
L
= 100kΩ
POS
RAIL
0 300
00874-013
Figure 13. Input Error Voltage with Output Voltage Within 300 mV of Either
Supply Rail for Various Resistive Loads; V
S
= ±5 V
FREQUENC
Y (Hz)
1k
100
1
10
1k
10
1
10k100
INPUT VOLTAGE NOISE (nV/√Hz)
00874-014
Figure 14. Input Voltage Noise vs. Frequency
FREQUENCY (Hz)
–40
–50
–110
100 100k1k
THD (dB)
10k
–70
–80
–90
–100
–60
R
L
= 10kΩ
A
CL
= –1
V
S
= 0V, +3V; V
OUT
= 2.5V p-p
V
S
= ±15V; V
OUT
= 20V p-p
V
S
= ±5V; V
OUT
= 9V p-p
V
S
= 0V, +5V; V
OUT
= 4.5V p-p
00874-015
Figure 15. THD vs. Frequency
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