AD8628AR Analog Devices Inc, AD8628AR Datasheet - Page 8

• Manufacturer Part Number: AD8628AR
• Description: IC OPAMP CHOPPER R-R 30MA 8SOIC
• Manufacturer: Analog Devices Inc

Specifications of AD8628AR

• Rohs Status: RoHS non-compliant
• Design Resources: Precision, Unipolar, Inverting Conversion Using AD5546/56 DAC (CN0022) Precision, Unipolar, Inverting Conversion Using AD5547/57 DAC (CN0026) Precision, Unipolar, Noninverting Configuration for the AD5547/57 DAC (CN0027) Precision, Unipolar, Noninverting Configuration for the AD5546/56 DAC (CN0023) High Precision Digital-to-Analog Conversion Using the 16-Bit AD5542/1, ADR421, and AD8628 (CN0079)
• Amplifier Type: Chopper (Zero-Drift)
• Number Of Circuits: 1
• Output Type: Rail-to-Rail
• Slew Rate: 1 V/µs
• Gain Bandwidth Product: 2.5MHz
• -3db Bandwidth: 2.5MHz
• Current - Input Bias: 30pA
• Voltage - Input Offset: 1µV
• Current - Supply: 850µA
• Current - Output / Channel: 30mA
• Voltage - Supply, Single/dual (±): 2.7 V ~ 5 V, ±1.35 V ~ 2.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)

AD8628/AD8629/AD8630
300
270
240
210
180
150
120
–10
–20
–30
–10
–20
–30
90
60
30
70
60
50
40
30
20
10
70
60
50
40
30
20
10
0
100
0
0
1k
1k
V
S
= 2.7V
A
A
A
Figure 19. Output Impedance vs. Frequency
A
A
A
Figure 17. Closed-Loop Gain vs. Frequency
Figure 18. Closed-Loop Gain vs. Frequency
V
V
V
V
V
V
= 100
= 10
= 1
= 100
= 10
= 1
1k
10k
10k
A
V
= 100
10k
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
A
100k
100k
V
100k
= 10
1M
1M
1M
A
V
= 1
10M
V
C
R
V
C
R
S
L
L
S
L
L
= 2.7V
= 20pF
= 2kΩ
= 5V
= 20pF
= 2kΩ
10M
10M
100M
Rev. I | Page 8 of 24
300
270
240
210
180
150
120
90
60
30
0V
0V
0
100
V
S
= 5V
Figure 20. Output Impedance vs. Frequency
Figure 21. Large Signal Transient Response
Figure 22. Large Signal Transient Response
1k
A
V
C
R
A
V
C
R
A
V
S
S
L
L
V
L
L
V
= 100
= ±1.35V
= 300pF
= ∞
= 1
= ±2.5V
= 300pF
= ∞
= 1
10k
FREQUENCY (Hz)
TIME (4µs/DIV)
TIME (5µs/DIV)
A
V
100k
= 10
1M
A
V
= 1
10M
100M