AD8624 Datasheet PDF - Analog Devices
| Part Number | AD8624 | |
| Description | (AD8622 / AD8624) Precision Rail-to-Rail Output Op Amp | |
| Manufacturers | Analog Devices | |
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Low Power, Precision
Rail-to-Rail Output Op Amp
AD8622/AD8624
FEATURES
Very low offset voltage
125 μV maximum
Supply current: 215 μA/amp typical
Input bias current: 200 pA maximum
Low input offset voltage drift: 1.2 μV/°C maximum
Very low voltage noise: 11 nV/√Hz
Operating temperature: −40°C to +125°C
Rail-to-rail output swing
Unity gain stable
±2.5 V to ±15 V operation
APPLICATIONS
Portable precision instrumentation
Laser diode control loops
Strain gage amplifiers
Medical instrumentation
Thermocouple amplifiers
GENERAL DESCRIPTION
The AD8622/AD8624 are dual and quad precision rail-to-rail
output operational amplifiers with low supply currents of only
350 µA/amplifier maximum over temperature and supply
voltages. The AD8622/AD8624 also has an input bias current
cancellation circuitry that provides a very low input bias current
over the full operating temperature.
With a typical offset voltage of only 10 µV, offset drift of 0.5 µV/°C,
and noise of only 0.2 μV p-p (0.1 Hz to 10 Hz), they are
perfectly suited for applications where large error sources
cannot be tolerated. Many systems can take advantage of the
low noise, dc precision, and rail-to-rail output swing provided
by the AD8622/AD8624 to maximize the signal-to-noise ratio
and dynamic range for low power operation. The AD8622/
AD8624 are specified for the extended industrial temperature
range of −40°C to +125°C. The AD8622 is available in lead-free
8-lead SOIC and MSOP packages, while the AD8624 is available
in lead-free 14-lead TSSOP and 16-lead LFCSP packages.
PIN CONFIGURATIONS
OUT A 1
8 V+
–IN A 2 AD8622 7 OUT B
+IN A 3 TOP VIEW 6 –IN B
V– 4 (Not to Scale) 5 +IN B
Figure 1. 8-Lead Narrow-Body SOIC
OUT A 1
–IN A 2
+IN A 3
V– 4
AD8622
TOP VIEW
(Not to Scale)
8 V+
7 OUT B
6 –IN B
5 +IN B
Figure 2. 8-Lead MSOP
OUT A 1
14 OUT D
–IN A 2
+IN A 3
V+ 4
+IN B 5
13 –IN D
AD8624
TOP VIEW
(Not to Scale)
12 +IN D
11 V–
10 +IN C
–IN B 6
9 –IN C
OUT B 7
8 OUT C
Figure 3. 14-Lead TSSOP
www.DataSheet.co.kr
–IN A 1
+IN A 2
V+ 3
+IN B 4
AD8624
TOP VIEW
(Not to Scale)
12 –IN D
11 +IN D
10 V–
9 +IN C
NOTES
1. NC = NO CONNECT.
2. IT IS RECOMMENDED THAT THE EXPOSED
PAD BE CONNECTED TO V–.
Figure 4. 16-Lead LFCSP
Table 1. Low Power Op Amps
Supply 40 V
36 V
Single
OP97
OP777
OP1177
Dual OP297 OP727
OP2177
Quad
OP497 OP747
OP4177
12 V to 18 V 6 V
AD8663
AD8667
ADA4692-2
AD8669
ADA4692-4
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2009–2011 Analog Devices, Inc. All rights reserved.
Datasheet pdf - http://www.DataSheet4U.net/
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ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter
Supply Voltage
Input Voltage
Input Current1
Differential Input Voltage2
Output Short-Circuit Duration to GND
Storage Temperature Range
Operating Temperature Range
Junction Temperature Range
Lead Temperature (Soldering, 60 sec)
Rating
±18 V
±VSY
±10 mA
±10 V
Indefinite
−65°C to +150°C
−40°C to +125°C
−65°C to +150°C
300°C
1 The input pins have clamp diodes to the power supply pins. The input
current should be limited to 10 mA or less whenever input signals exceed
the power supply rail by 0.5 V.
2 Differential input voltage is limited to 10 V or the supply voltage, whichever is less.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
AD8622/AD8624
THERMAL RESISTANCE
θJA is specified for the worst-case conditions, that is, a device
soldered in a circuit board for surface-mount packages. This
was measured using a standard 4-layer board.
Table 3. Thermal Resistance
Package Type
8-Lead SOIC_N (R-8)
8-Lead MSOP (RM-8)
14-Lead TSSOP (RU-14)
16-Lead LFCSP (CP-16-17)
θJA
120
142
112
55
θJC
45
45
35
14
Unit
°C/W
°C/W
°C/W
°C/W
ESD CAUTION
www.DataSheet.co.kr
Rev. C | Page 5 of 20
Datasheet pdf - http://www.DataSheet4U.net/
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| Information | Total 20 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ AD8624.PDF Datasheet ] | |
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