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AD820ARZ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25
AD820
Rev. H | Page 12 of 24
00873-017
100
–20
10 10M
FREQUENCY (Hz)
OPEN-LOOP GAIN (dB)
100 1k 10k 100k 1M
80
60
40
20
0
PHASE MARGIN (DEGREES)
100
–20
80
60
40
20
0
GAIN
PHASE
R
L
= 2kΩ
C
L
= 100pF
Figure 16. Open-Loop Gain and Phase Margin vs. Frequency
1k
0.01
100 10M
FREQUENCY (Hz)
OUTPUT IMPEDANCE (Ω)
00873-018
1k 10k 100k 1M
0.1
1
10
100
A
CL
= +1
V
S
= ±15V
Figure 17. Output Impedance vs. Frequency
16
–16
0 5
SETTLING TIME (µs)
OUTPUT SWING FROM 0 TO ±V
00873-019
12
8
4
0
–4
–8
–12
1 2 3 4
1%
1%
0.1% 0.01%
ERROR
Figure 18. Output Swing and Error vs. Settling Time
100
0
10 10M
FREQUENCY (Hz)
COMMON-MODE REJECTION (dB)
00873-020
100 1k 10k 100k 1M
90
80
70
60
50
40
30
20
10
V
S
= 0V, +5V V
S
= ±15V
Figure 19. Common-Mode Rejection vs. Frequency
5
0
–1 3
COMMON-MODE VOLTAGE FROM SUPPLY RAILS (V)
COMMON-MODE ERROR VOLTAGE (mV)
00873-021
4
3
2
1
0 1 2
NEGATIVE
RAIL
POSITIVE
RAIL
+25ºC
–55ºC
–55ºC
+125ºC
+125ºC
Figure 20. Absolute Common-Mode Error vs. Common-Mode Voltage
from Supply Rails (V
S
− V
CM
)
1k
1
0.001 100
LOAD CURRENT (mA)
OUTPUT SATURATION VOLTAGE (mV)
00873-022
0.01 0.1 1 10
10
100
V
S
– V
OH
V
OL
– V
S
Figure 21. Output Saturation Voltage vs. Load Current
AD820
Rev. H | Page 13 of 24
1k
1
–60 140
TEMPERATURE (ºC)
OUTPUT SATURATION VOLTAGE (mV)
00873-023
–40 –20 0 20 40 60 80 100 120
10
100
I
SOURCE
= 10mA
I
SINK
= 10mA
I
SOURCE
= 10µA
I
SINK
= 10µA
I
SOURCE
= 1mA
I
SINK
= 1mA
Figure 22. Output Saturation Voltage vs. Temperature
80
0
–60 140
TEMPERATURE (ºC)
SHORT-CIRCUIT CURRENT LIMIT (mA)
00873-024
–40 –20 0 20 40 60 80 100 120
70
60
50
40
30
20
10
V
S
= ±15V
V
S
= ±15V
V
S
= 0V, +5V
V
S
= 0V, +5V
–OUT
–
+
+
Figure 23. Short-Circuit Current Limit vs. Temperature
800
0
0 36
TOTAL SUPPLY VOLTAGE (V)
QUIESCENT CURRENT (µA)
00873-025
700
600
500
400
300
200
100
4 8 12 16 20 24 28 32
T = +25ºC
T = +125ºC
T = –55ºC
Figure 24. Quiescent Current vs. Supply Voltage over Different Temperatures
120
0
10 10M
FREQUENCY (Hz)
POWER SUPPLY REJECTION (dB)
00873-026
100 1k 10k 100k 1M
110
100
90
80
70
60
50
40
30
20
10
+PSRR
–PSRR
Figure 25. Power Supply Rejection vs. Frequency
30
0
10k 10M
FREQUENCY (Hz)
OUTPUT VOLTAGE (V)
00873-027
100k 1M
25
20
15
10
5
V
S
= ±15V
R
L
= 2kΩ
V
S
= 0V, +5V
Figure 26. Large Signal Frequency Response
AD820
Rev. H | Page 14 of 24
00873-028
AD820
–
+
–
+
+V
S
–V
S
R
L
100pF
0.01µF
0.01µF
V
OUT
V
IN
3
2
4
7
6
–
+
Figure 27. Unity-Gain Follower, Used for Figure 28 Through Figure 32
00873-029
100
90
10
0%
5V 10µs
Figure 28. 20 V, 25 kHz Sine Input; Unity-Gain Follower; R
L
= 600 Ω, V
S
= ±15 V
00873-030
100
90
10
0%
1V
2µs
GND
Figure 29. V
S
= 5 V, 0 V; Unity-Gain Follower Response to 0 V to 4 V Step
00873-031
100
90
10
0%
5V
5µs
Figure 30. Large Signal Response Unity-Gain Follower; V
S
= ±15 V, R
L
= 10 kΩ
00873-032
100
90
10
0%
10mV 500ns
Figure 31. Small Signal Response Unity-Gain Follower; V
S
= ±15 V, R
L
= 10 kΩ
00873-033
100
90
10
0%
1V 2µs
GND
Figure 32. V
S
= 5 V, 0 V; Unity-Gain Follower Response to 0 V to 5 V Step
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AD820ARZ

Mfr. #:
Buy AD820ARZ
Manufacturer:
Analog Devices Inc.
Description:
Precision Amplifiers SGL-Supply RR Lo Pwr FET-Inpt
Lifecycle:
New from this manufacturer.
Delivery:
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