AD822
10M
40
20
POS RAIL
NEG RAIL
R = 2kΩ
L
R
= 20kΩ
L
V
= ±15V
S
1M
V
= 0V, +5V
S
POS RAIL
0
POS
RAIL
V
= 0V, +3V
100k
S
–20
–40
NEG RAIL
NEG RAIL
R
= 100kΩ
L
10k
100
1k
10k
100k
0
60
120
180
240
300
LOAD RESISTANCE (Ω)
OUTPUT VOLTAGE FROM SUPPLY RAILS (mV)
Figure 10. Open-Loop Gain vs. Load Resistance
Figure 13. Input Effort Voltage with Output Voltage Within 300 mV of Either
Supply Rail for Various Resistive Loads; VS = 5 V
10M
1M
1k
100
10
R
= 100kΩ
L
V
= ±15V
S
V
= 0V, +5V
S
V
= ±15V
R
= 10kΩ
S
L
V
= 0V, +5V
S
100k
10k
V
= ±15V
S
R
= 600Ω
L
V
= 0V, +5V
S
1
–60 –40 –20
0
20
40
60
80
100 120 140
1
10
100
1k
10k
TEMPERATURE (°C)
FREQUENCY (Hz)
Figure 11. Open-Loop Gain vs. Temperature
Figure 14. Input Voltage Noise vs. Frequency
300
200
100
–40
–50
R
A
= 10kΩ
L
= –1
CL
–60
R
= 10kΩ
L
R
= 100kΩ
V
= 0V, +3V; V = 2.5V p-p
OUT
L
S
–70
0
–100
–200
–80
V
= ±15V; V = 20V p-p
OUT
S
–90
V
= ±5V; V = 9V p-p
OUT
S
R
= 600Ω
L
–100
–110
V
= 0V, +5V; V = 4.5V p-p
OUT
S
–300
100
1k
10k
FREQUENCY (Hz)
100k
–16
–12
–8
–4
0
4
8
12
16
OUTPUT VOLTAGE (V)
Figure 12. Input Error Voltage vs. Output Voltage for Resistive Loads
Figure 15. Total Harmonic Distortion (THD) vs. Frequency
Rev. G | Page 14 of 28
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