Datasheet

Data Sheet AD823A
Rev. | Page 9 of 20
0.1
1
10
100
–16 –12 –8 –4 0 4 8 12 16
INPUT BIAS CURRENT (pA)
COMMON-MODE VOLTAGE (V)
V
S
= ±15V
09439-069
Figure 13. Input Bias Current vs. Common-Mode Voltage
80
90
100
110
120
0.1 1 10 100
LOAD RESISTANCE (kΩ)
OPEN-LOOP GAIN (dB)
V
S
= ±2.5V
09439-011
Figure 14. Open-Loop Gain vs. Load Resistance
1000
100
10
1
0.1
–2.5 2.5–2.0 2.0–1.5 1.5–1.0 1.0–0.5 0.50
OPEN-LOOP GAIN (kV/V)
OUTPUT VOLTAGE (V)
R
L
= 10kΩ
R
L
= 1kΩ
R
L
= 100Ω
09439-065
V
S
= ±2.5 V
Figure 15. Open-Loop Gain vs. Output Voltage, V
S
= ±2.5 V
–40
–50
–60
–70
–80
–90
–100
–110
–120
100 1k 10k 100k 1M
THD (dB)
FREQUENCY (Hz)
09439-516
V
S
= 30V
V
OUT
= 10V p-p
R
L
= 600Ω
V
S
= 3V
V
OUT
= 2V p-p
R
L
= 100Ω
V
S
= 3V
V
OUT
= 2V p-p
R
L
= 5kΩ
V
S
= 5V
V
OUT
= 2V p-p
R
L
= 5kΩ
V
S
= 5V
V
OUT
= 2V p-p
R
L
= 1kΩ
G = –1
R
F
= R
G
= 4kΩ
Figure16. Total Harmonic Distortion vs. Frequency
99
100
101
102
103
–55 –25 5 35 65 95 125
OPEN-LOOP GAIN (dB)
TEMPERATURE (°C)
R
L
= 2kΩ
V
S
= ±2.5V
09439-014
Figure 17. Open-Loop Gain vs. Temperature
–20
0
20
40
60
80
100
120
–20
0
20
40
60
80
100
120
1M 10M
PHASE MARGIN (Degrees)
FREQUENCY (Hz)
100 1k 10k 100k 100M
V
S
= +5V
R
L
= 2kΩ
C
L
= 20pF
OPEN-LOOP GAIN (dB)
PHASE
GAIN
09439-060
Figure 18. Open-Loop Gain and Phase Margin vs. Frequency
B