Datasheet

AD823A Data Sheet
Rev. | Page 10 of 20
10
20
30
40
50
10 100
INPUT VOLTAGE NOISE (nV/√Hz)
FREQUENCY (Hz)
1k 10k 100k 1M
09439-016
+V
S
= +5V
Figure 19. Input Voltage Noise vs. Frequency
–5
–4
–3
–2
–1
0
1
0.30 3.27 6.24 9.21 12.18 15.15 18.12 21.09 24.06 27.03 30.00
CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
V
S
= ±2.5V
C
L
= 20pF
R
L
= 2kΩ
G = +1
+125°C
–55°C
+25°C
09439-052
Figure 20. Closed-Loop Bandwidth vs. Temperature
0.001
0.01
0.1
1
10
100
OUTPUT RESISTANCE (Ω)
FREQUENCY (Hz)
100
V
S
= +5V
G = +1
1k 10k 100k 1M 10M
09439-053
Figure 21. Output Resistance vs. Frequency, +V
S
= +5 V, G = +1
–10
–8
–6
–4
–2
0
2
4
6
8
10
100 200 300 400 500 600 700
OUTPUT STEP SIZE FROM 0V TO V
SHOWN
(V)
SETTLING TIME (ns)
1%
1%
0.1%
0.1%
0.01%
0.01%
V
S
= ±15V
C
L
= 20pF
09439-020
Figure 22. Output Step Size vs. Settling Time (Inverter)
20
30
40
50
60
70
80
90
100
CMRR (dB)
FREQUENCY (Hz)
+V
S
= +5V
10 100 1k 10k 100k 1M 10M
V
S
= ±15V
09439-061
Figure 23. Common-Mode Rejection Ratio vs. Frequency
0.001
0.01
0.1
1
10
0.1 1 10 100
OUTPUT SATURATION VOLTAGE (V)
LOAD CURRENT (mA)
+V
S
= +5V
V
S
TO V
OH
25°C
V
OL
25°C
09439-021
Figure 24. Output Saturation Voltage vs. Load Current
B