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Part Name  

AD820 View Datasheet(PDF) - Analog Devices

Part NameAD820 ADI
Analog Devices ADI
DescriptionSingle-Supply, Rail-to-Rail, Low Power, FET Input Op Amp
AD820 Datasheet PDF : 24 Pages
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
10M
1M
100k
VS = ±15V
VS = 0V, +5V
10k
100
1k
10k
100k
LOAD RESISTANCE (Ω)
Figure 10. Open-Loop Gain vs. Load Resistance
10M
RL = 100kΩ
VS = ±15V
1M
VS = 0V, +5V
100k
RL = 10kΩ
RL = 600Ω
VS = ±15V
VS = 0V, +5V
VS = ±15V
VS = 0V, +5V
10k
–60 –40 –20 0
20 40 60 80 100 120 140
TEMPERATURE (ºC)
Figure 11. Open-Loop Gain vs. Temperature
300
200
100
RL = 10kΩ
0
RL = 100kΩ
–100
–200
RL = 600Ω
–300
–16 –12 –8
–4
0
4
8
12
16
OUTPUT VOLTAGE (V)
Figure 12. Input Error Voltage vs. Output Voltage for Resistive Loads
AD820
40
POSITIVE
RAIL
20
RL = 2kΩ
RL = 20kΩ
NEGATIVE
RAIL
POSITIVE
0
RAIL
POSITIVE
–20 RAIL
NEGATIVE
RAIL
–40
0
RL = 100kΩ
60
120
NEGATIVE RAIL
180
240
300
OUTPUT VOLTAGE FROM RAILS (mV)
Figure 13. Input Error Voltage vs. Output Voltage Within 300 mV of Either
Supply Rail for Various Resistive Loads; VS = ±5 V
1k
100
10
1
1
10
100
1k
10k
FREQUENCY (Hz)
Figure 14. Input Voltage Noise vs. Frequency
–40
–50 RL = 10kΩ
ACL = –1
–60
–70
–80
–90
–100
VS = ±15V; VOUT = 20V p-p
VS = ±5V; VOUT = 9V p-p
VS = 0V, +5V; VOUT = 4.5V p-p
–110
100
1k
10k
100k
FREQUENCY (Hz)
Figure 15. Total Harmonic Distortion vs. Frequency
Rev. H | Page 11 of 24
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