Datasheet

AD820
Rev. H | Page 11 of 24
10M
10k
100 100k
LOAD RESISTANCE (Ω)
OPEN-LOOP GAIN (V/V)
00873-011
1k 10k
100k
1M
V
S
= ±15V
V
S
= 0V, +5V
Figure 10. Open-Loop Gain vs. Load Resistance
10M
10k
–60 140
TEMPERATURE (ºC)
OPEN-LOOP GAIN (V/V)
00873-012
100k
1M
–40 –20 0 20 40 60 80 100 120
V
S
= ±15V
R
L
= 100kΩ
R
L
= 10kΩ
V
S
= 0V, +5V
V
S
= ±15V
V
S
= 0V, +5V
V
S
= ±15V
V
S
= 0V, +5V
R
L
= 600Ω
Figure 11. Open-Loop Gain vs. Temperature
300
–300
–16 16
OUTPUT VOLTAGE (V)
INPUT ERROR VOLTAGE (µV)
00873-013
200
100
0
–100
–200
–12 –8 –4 0 4 8 12
R
L
= 100kΩ
R
L
= 600Ω
R
L
= 10kΩ
Figure 12. Input Error Voltage vs. Output Voltage for Resistive Loads
40
–40
0 300
OUTPUT VOLTAGE FROM RAILS (mV)
INPUT ERROR VOLTAGE (µV)
00873-014
20
0
–20
60 120 180 240
R
L
= 100kΩ
R
L
= 20kΩ
R
L
= 2kΩ
POSITIVE
RAIL
POSITIVE
RAIL
POSITIVE
RAIL
NEGATIVE
RAIL
NEGATIVE
RAIL
NEGATIVE RAIL
Figure 13. Input Error Voltage vs. Output Voltage Within 300 mV of Either
Supply Rail for Various Resistive Loads; V
S
= ±5 V
1k
1
1 10k
FREQUENCY (Hz)
INPUT VOLTAGE NOISE (nV/√Hz)
00873-015
10 100 1k
10
100
Figure 14. Input Voltage Noise vs. Frequency
–40
–110
100 100k
FREQUENCY (Hz)
THD (dB)
00873-016
1k 10k
–50
–60
–70
–80
–90
–100
R
L
= 10kΩ
A
CL
= –1
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
Figure 15. Total Harmonic Distortion vs. Frequency