Zero-Drift, Single-Supply, Rail-to-Rail
Input/Output Operational Amplifier
AD8628/AD8629/AD8630
FEATURES
Lowest auto-zero amplifier noise
Low offset voltage: 1 μV
Input offset drift: 0.002 μV/°C
Rail-to-rail input and output swing
5 V single-supply operation
High gain, CMRR, and PSRR: 120 dB
Very low input bias current: 100 pA max
Low supply current: 1.0 mA
Overload recovery time: 10 μs
No external components required
PIN CONFIGURATIONS
OUT
1
V–
2
+IN
3
AD8628
TOP VIEW
(Not to Scale)
5
V+
4
–IN
Figure 1. 5-Lead TSOT (UJ-5)
and 5-Lead SOT-23 (RT-5)
NC
1
–IN
2
+IN
3
8
NC
V+
AD8628
7
Figure 3. 8-Lead SOIC_N (R-8)
OUT A
1
–IN A
2
+IN A
3
V–
4
8
V+
OUT B
02735-064
02735-065
02735-066
AD8629
TOP VIEW
(Not to Scale)
7
6
5
–IN B
+IN B
Figure 4. 8-Lead MSOP (RM-8)
OUT A
–IN A
+IN A
V+
+IN B
–IN B
OUT B
1
2
3
4
5
6
7
14
13
OUT D
–IN D
+IN D
V–
+IN C
–IN C
OUT C
AD8630
TOP VIEW
(Not to Scale)
12
11
10
9
8
Figure 5. 14-Lead SOIC_N (R-14)
OUT A
1
–IN A
2
+IN A
3
V+
4
14
OUT D
13
–IN D
AD8630
12
+IN D
TOP VIEW
11
V–
(Not to Scale)
+IN B
5
10
+IN C
–IN B
6
OUT B
7
9
8
–IN C
OUT C
Figure 6. 14-Lead TSSOP (RU-14)
Rev. E
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
© 2005 Analog Devices, Inc. All rights reserved.
02735-063
Automotive sensors
Pressure and position sensors
Strain gage amplifiers
Medical instrumentation
Thermocouple amplifiers
Precision current sensing
Photodiode amplifier
NC = NO CONNECT
Figure 2. 8-Lead SOIC_N (R-8)
OUT A
1
–IN A
2
+IN A
3
8
V+
OUT B
AD8629
7
6
–IN B
TOP VIEW
(Not to Scale)
5
+IN B
V–
4
02735-002
APPLICATIONS
6
OUT
TOP VIEW
V–
4
(Not to Scale)
5
NC
02735-001
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