Data Sheet AD8571/AD8572/AD8574
Rev. F | Page 7 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
180
0
120
100
60
20
40
80
140
160
–1.5–2.5
–0.5
0.5
1.5
2.5
NUMBER OF AMPLIFIERS
OFFSET VOLTAGE (µV)
V
S
= 2.7V
V
CM
= 1.35V
T
A
= 25°C
01104-007
Figure 7. Input Offset Voltage Distribution
–40°C
+25°C
+85°C
50
40
30
20
10
0
–20
–10
–30
0 1 2 4
3 5
INPUT BIAS CURRENT (pA)
INPUT COMMON-MODE VOLTAGE (V)
V
S
= 5V
T
A
= –40°C, +25°C, +85°C
01104-008
Figure 8. Input Bias Current vs. Input Common-Mode Voltage
1500
–2000
1000
500
0
–1000
–1500
–500
0 1 2
3 4 5
INPUT BIAS CURRENT (pA)
COMMON-MODE VOLTAGE (V)
V
S
= 5V
T
A
= 125°C
01104-009
Figure 9. Input Bias Current vs. Common-Mode Voltage
180
0
120
100
60
20
40
80
140
160
–1.5–2.5 –0.5 0.5 1.5
2.5
NUMBER OF AMPLIFIERS
OFFSET VOLTAGE (µV)
V
S
= 5V
V
CM
= 2.5V
T
A
= 25°C
01104-010
Figure 10. Input Offset Voltage Distribution
12
10
8
6
4
2
0
0 1
2 3
4 65
NUMBER OF AMPLIFIERS
INPUT OFFSET DRIFT (nV/°C)
V
S
= 5V
V
CM
= 2.5V
T
A
= –40°C TO +125°C
01104-011
Figure 11. Input Offset Voltage Drift Distribution
SOURCE
SINK
10k
1k
100
10
1
0.1
0.0001 0.001 0.01 0.1 100
101
OUTPUT VOLTAGE (mV)
LOAD CURRENT (mA)
V
S
= 5V
T
A
= 25°C
01104-012
Figure 12. Output Voltage to Supply Rail vs. Load Current
AD8571/AD8572/AD8574 Data Sheet
Rev. F | Page 8 of 28
SOURCE
SINK
10k
1k
100
10
1
0.1
0.0001 0.001 0.01 0.1 1
10
100
OUTPUT VOLTAGE (mV)
LOAD CURRENT (mA)
V
S
= 2.7V
T
A
= 25°C
01104-013
Figure 13. Output Voltage to Supply Rail vs. Load Current
1000
750
500
250
0
–75 –50 –25 0 25 50 75 100 125 150
INPUT BIAS CURRENT (pA)
TEMPERATURE (°C)
V
CM
= 2.5V
V
S
= 5V
01104-014
Figure 14. Input Bias Current vs. Temperature
5V
2.7V
1.0
0.8
0.6
0.4
0.2
0
–75
–25–50 25
750 50 100
150125
SUPPLY CURRENT (mA)
TEMPERATURE (°C)
01104-015
Figure 15. Supply Current vs. Temperature
800
200
100
300
400
500
600
700
0
0 1 2 3 4 5
6
SUPPLY CURRENT PER AMPLIFIER (µA)
SUPPLY VOLTAGE (V)
T
A
= 25°C
01104-016
Figure 16. Supply Current per Amplifier vs. Supply Voltage
45
90
135
180
225
270
0
60
40
50
10
20
30
–10
0
–40
–30
–20
10k 100k 1M 10M 100M
OPEN-LOOP GAIN (dB)
PHASE SHIFT (Degrees)
FREQUENCY (Hz)
V
S
= 2.7V
C
L
= 0pF
R
L
=
01104-017
Figure 17. Open-Loop Gain and Phase Shift vs. Frequency
45
90
135
180
225
270
0
60
40
50
10
20
30
–10
0
–40
–30
–20
10k 100k 1M 10M 100M
OPEN-LOOP GAIN (dB)
PHASE SHIFT (Degrees)
FREQUENCY (Hz)
V
S
= 5V
C
L
= 0pF
R
L
=
01104-018
Figure 18. Open-Loop Gain and Phase Shift vs. Frequency
Data Sheet AD8571/AD8572/AD8574
Rev. F | Page 9 of 28
60
40
50
10
20
30
–10
0
–40
–30
–20
100 10k
1k
1M100k 10M
CLOSED-LOOP GAIN (dB)
FREQUENCY (Hz)
V
S
= 2.7V
C
L
= 20pF
R
L
= 2kΩ
A
V
= 100
A
V
= 10
A
V
= 1
01104-019
Figure 19. Closed-Loop Gain vs. Frequency
60
40
50
10
20
30
–10
0
–40
–30
–20
100
10k
1k 1M
100k
10M
CLOSED-LOOP GAIN (dB)
FREQUENCY (Hz)
V
S
= 5V
C
L
= 20pF
R
L
= 2kΩ
A
V
= 100
A
V
= 10
A
V
= 1
01104-020
Figure 20. Closed-Loop Gain vs. Frequency
300
240
270
150
180
210
90
120
0
30
60
100 10k
1k 10M
OUTPUT IMPEDANCE (Ω)
FREQUENCY (Hz)
A
V
= 1
A
V
= 100
A
V
= 10
V
S
= 2.7V
01104-021
1M
100k
Figure 21. Output Impedance vs. Frequency
300
240
270
150
180
210
90
120
0
30
60
100
10k
1k 10M
OUTPUT IMPEDANCE (Ω)
FREQUENCY (Hz)
A
V
= 1
A
V
= 100
A
V
= 10
V
S
= 5V
01104-022
1M100k
Figure 22. Output Impedance vs. Frequency
V
S
= 2.7V
C
L
= 300pF
R
L
= 2kΩ
A
V
= 1
2µs 500mV
01104-023
Figure 23. Large Signal Transient Response
V
S
= 5V
C
L
= 300pF
R
L
= 2kΩ
A
V
= 1
01104-024
5µs 1V
Figure 24. Large Signal Transient Response

AD8572AR-REEL

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Operational Amplifiers - Op Amps Zero-Drft SGL-Supply RRIO Dual
Lifecycle:
New from this manufacturer.
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