AD820–Typical Characteristics
10M
40
POS RAIL
20
OPEN-LOOP GAIN –V/V
1M
V
S
=
V
S
= 0V, 5V
15V
INPUT VOLTAGE – V
R
L
= 20k
NEG RAIL
0
POS
RAIL
POS RAIL
R
L
= 2k
100k
V
S
= 0V, 3V
–20
NEG RAIL
R
L
= 100k
NEG RAIL
10k
100
–40
1k
10k
LOAD RESISTANCE –
100k
0
60
120
180
240
300
OUTPUT VOLTAGE FROM VOLTAGE RAILS – mV
Figure 9. Open-Loop Gain vs. Load Resistance
Figure 12. Input Error Voltage with Output Voltage within
300 mV of Either Supply Rail for Various Resistive Loads;
V
S
=
±
5 V
10M
1k
OPEN-LOOP GAIN – V/V
R
L
= 100k
1M
V
S
=
15V
INPUT VOLTAGE NOISE – nV/ Hz
V
S
= 0V, 5V
R
L
= 10k
V
S
=
15V
100
100k
R
L
= 600
V
S
= 0V, 5V
V
S
=
15V
10
V
S
= 0V, 5V
10k
–60
1
–40
–20
0
20
40
60
80
100
120
140
1
10
TEMPERATURE – C
100
FREQUENCY – Hz
1k
10k
Figure 10. Open-Loop Gain vs. Temperature
Figure 13. Input Voltage Noise vs. Frequency
300
–40
R
L
= 10k
A
CL
= –1
200
INPUT VOLTAGE – V
–50
–60
100
R
L
= 10k
THD – dB
R
L
= 100k
–70
–80
V
S
=
–90
V
S
=
V
S
= 0V, 3V; V
OUT
= 2.5V p-p
0
15V; V
OUT
= 20V p-p
–100
5V; V
OUT
= 9V p-p
–200
R
L
= 600
–100
V
S
= 0V, 5V; V
OUT
= 4.5V p-p
–110
100
–300
–16
–12
–8
–4
0
4
8
OUTPUT VOLTAGE – Volts
12
16
1k
10k
FREQUENCY – Hz
100k
Figure 11. Input Error Voltage vs. Output Voltage for
Resistive Loads
Figure 14. Total Harmonic Distortion vs. Frequency
–8–
REV. B
AD [ ANALOG DEVICES ]
