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AD8628WARTZ-R7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
Data Sheet AD8628/AD8629/AD8630
TYPICAL PERFORMANCE CHARACTERISTICS
INPUT OFFSET VO
LTAGE (µV)
NUMBER OF
AMPLIFIERS
180
160
140
120
100
80
60
40
20
0
–2.5
–1.5
–0.5 0.5
1.5 2.5
02735-003
V
S
= 2.7V
T
A
= 25°C
Figure 5. Input Offset Voltage Distribution
+85°C
+25°C
–40°C
V
S
= 5V
INPUT COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (pA)
60
40
50
30
10
20
0
0 1 2 3
4 5 6
02735-004
Figure 6. AD8628 Input Bias Current vs. Input Common-Mode Voltage
150°C
125°C
INPUT COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (pA)
1500
500
1000
0
–1000
–500
–1500
0 1 2 3 4 5 6
02735-005
V
S
= 5V
Figure 7. AD8628 Input Bias Current vs. Input Common-Mode Voltage
INPUT OFFSET VOLTAGE (µV)
NUMBER OF AMPLIFIERS
100
80
90
60
70
40
50
10
20
30
0
–2.5 –1.5 –0.5 0.5 1.5 2.5
02735-006
V
S
= 5V
V
CM
= 2.5V
T
A
= 25°C
Figure 8. Input Offset Voltage Distribution
V
S
= 5V
T
A
= –40°C TO +125°C
TCVOS (nV/°C)
NUMBER OF
AMPLIFIERS
7
6
5
4
3
2
1
0
0
2
4
6 8
10
02735-007
Figure 9. Input Offset Voltage Drift
LOAD CURRENT (mA)
OUTPUT VOLTAGE (mV)
1k
100
10
1
0.1
0.01
0.0001 0.001 0.10.01 1 10
02735-008
V
S
= 5V
T
A
= 25°C
SOURCE
SINK
Figure 10. Output Voltage to Supply Rail vs. Load Current
Rev. K | Page 7 of 24
AD8628/AD8629/AD8630 Data Sheet
LOAD CURRENT (mA)
OUTPUT VOLTAGE (mV)
1k
100
10
1
0.1
0.01
0.0001
0.001 0.10.01 1 10
02735-009
V
S
= 2.7V
SOURCE
SINK
Figure 11. Output Voltage to Supply Rail vs. Load Current
V
S
= 5V
V
CM
= 2.5V
T
A
= –40°C TO +150°C
TEMPERA
TURE (°C)
INPUT BIAS CURRENT (pA)
1500
1
150
900
450
100
0
–50
0 25–25 50 75 100 125
150 175
02735-010
Figure 12. AD8628 Input Bias Current vs. Temperature
T
A
= 25
°
C
5V
2.7V
TEMPER
ATURE (°
C
)
SUPPLY
CURRENT (µA)
1250
1000
750
500
250
0
–50 0 50 150100 200
02735-011
Figure 13. Supply Current vs. Temperature
T
A
= 25°C
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
1000
800
600
400
200
0
0 1 2 4 53 6
02735-012
Figure 14. Supply Current vs. Supply Voltage
FREQUENCY (Hz)
OPEN-LOOP GAIN (dB)
60
40
20
–20
0
10k 100k 1M 10M
02735-013
45
90
135
180
225
0
PHASE SHIFT (Degrees)
V
S
= 2.7V
C
L
= 20pF
R
L
= ∞
Ф
M
= 45°
GAIN
PHASE
Figure 15. Open-Loop Gain and Phase vs. Frequency
FREQUENCY (Hz)
OPEN-LOOP
GAIN (dB)
70
60
50
40
30
20
0
–10
–20
10
–30
10k 100k 1M 10M
02735-014
45
90
135
180
225
0
PHASE SHIFT (Degrees)
V
S
= 5V
C
L
= 20pF
R
L
= ∞
Φ
M
= 52.1°
GAIN
PHASE
Figure 16. Open-Loop Gain and Phase vs. Frequency
Rev. K | Page 8 of 24
Data Sheet AD8628/AD8629/AD8630
Rev. K | Page 9 of 24
FREQUENCY (Hz)
CLOSED-LOOP GAIN (dB)
70
60
50
40
30
20
0
–10
–20
10
–30
1k 10k 100k 1M 10M
02735-015
V
S
= 2.7V
C
L
= 20pF
R
L
= 2kΩ
A
V
= 100
A
V
= 10
A
V
= 1
Figure 17. Closed-Loop Gain vs. Frequency
FREQUENCY (Hz)
CLOSED-LOOP GAIN (dB)
70
60
50
40
30
20
0
–10
–20
10
–30
1k 10k 100k 1M 10M
02735-016
V
S
= 5V
C
L
= 20pF
R
L
= 2kΩ
A
V
= 100
A
V
= 10
A
V
= 1
Figure 18. Closed-Loop Gain vs. Frequency
FREQUENCY (Hz)
OUTPUT IMPEDANCE (Ω)
300
270
240
210
180
150
90
60
30
120
0
100 1k 10k 100k 1M 10M 100M
02735-017
A
V
= 100
A
V
= 10
A
V
= 1
V
S
= 2.7V
Figure 19. Output Impedance vs. Frequency
FREQUENCY (Hz)
OUTPUT IMPEDANCE (Ω)
300
270
240
210
180
150
90
60
30
120
0
100 1k 10k 100k 1M 10M 100M
02735-018
A
V
= 100
A
V
= 1
A
V
= 10
V
S
= 5V
Figure 20. Output Impedance vs. Frequency
V
S
= ±1.35V
C
L
= 300pF
R
L
= ∞
A
V
= 1
TIME (4µs/DIV)
VOL
T
AGE (500mV/DIV)
02735-019
0V
Figure 21. Large Signal Transient Response
V
S
= ±2.5V
C
L
= 300pF
R
L
= ∞
A
V
= 1
TIME (5µs/DIV)
VOLTAGE (1V/DIV)
0V
02735-020
Figure 22. Large Signal Transient Response
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

AD8628WARTZ-R7

Mfr. #:
Buy AD8628WARTZ-R7
Manufacturer:
Analog Devices Inc.
Description:
Precision Amplifiers Zero-Drift RRIO SGL-Supply
Lifecycle:
New from this manufacturer.
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