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