

AD8221AR
Analog Devices
Precision Instrumentation Amplifier
- Category
- Uncategorised
- Package
- SOIC8
- Pins
- 8
Overview
The AD8221AR is an uncategorised made by Analog Devices in a SOIC8 package with 8 pins. Precision Instrumentation Amplifier.
PCBKit's library has its KiCad symbol (Operational Amplifiers:AD8221 [alt], from CERN's library) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 8 open-source boards in 6 repositories on GitHub use it.
Symbol
Footprint
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | -IN | Input |
| 2 | RG | Passive |
| 3 | RG | Passive |
| 4 | +IN | Input |
| 5 | -Vs | Power in |
| 6 | REF | Output |
| 7 | Vout | Output |
| 8 | +Vs | Power in |
Open-source boards using it
All 8- 2 layers80 × 65 mm

- 10 layers40 × 160 mm

Psc daughter brd
NSLS2/zupsc-hw
Zynq UltraScale Power Supply Controller hardware
345 parts1BSD-3-Clause - 4 layers59 × 71 mm

PEC Sensor
WAFFLE-Systems/PEC_Sensor
Electrical schematics and PCB gerber files for the Pulsed Eddy Current Sensor
98 parts1 - 2 layers101.6 × 101.6 mm

Utcs isource
akshmakov/utcs-isource
micro-transcranial current stimulation system - constant current source module
40 parts - 4 layers149.9 × 99.1 mm

- 4 layers120 × 100 mm

Preamp board
kpezeshki/AudioInterfaceLockIn
A script for lock-in measurement using a Motu M2 audio interface
70 parts - 10 layers40 × 160 mm

Psc daughter brd
NSLS2/zupsc-hw
Zynq UltraScale Power Supply Controller hardware
297 parts1BSD-3-Clause - 4 layers63.5 × 63.5 mm

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Is there a KiCad symbol and footprint for the AD8221AR?
Yes. The symbol is Operational Amplifiers:AD8221 [alt] and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the AD8221AR?
SOIC8, with 8 pins. Its footprint is drawn on this page.
What can replace the AD8221AR?
Parts like it in the library: the LTA8062XS8/R8 by Linearin, the SD8568 by WAVE, the FH9926 by XIN FEI HONG and the LTC8836XS8/R8 by Linearin. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the AD8221AR?
8 boards in 6 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
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