AD8228 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD8228
Manufacturer

ADI
ChipWorker Part#

CW480128331
RoHS

Lead free / RoHS Compliant
Description

Low Gain Drift Precision Instrumentation Amplifier
Documentation

Datasheet

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AD8228 Specifications

Attribute	Attribute Value

Part Number	AD8228
Manufacturer	ADI
ChipWorker Part#	CW480128331
Documentation	Datasheet
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Product Lifecycle Status	Active
RoHS	RoHS Compliant

Product Description

Product Details
The AD8228 is a high performance instrumentation amplifier with very high gain accuracy. Because all gain setting resistors are internal and laser trimmed, gain accuracy and gain drift are better than can be achieved with typical instrumentation amplifiers.
Low voltage offset, low offset drift, low gain drift, high gain accuracy, and high CMRR make this part an excellent choice in applications that demand the best dc performance possible, such as bridge signal conditioning.
The AD8228 operates on both single and dual supplies. Because the part can operate on supplies up to ±18 V, it is well suited for applications where high common-mode input voltages are encountered. The AD8228 is available in 8-lead MSOP and SOIC packages.
Performance is specified over the entire industrial temperature range of −40°C to +85°C for all grades. Furthermore, the AD8228 is operational from −40°C to +125°C. For a pin-compatible amplifier with similar specifications, but with a gain range of 1 to 1000, see the AD8221.
**Applications**
* Weigh scales
* Industrial process controls
* Bridge amplifiers
* Precision data acquisition systems
* Medical instrumentation
* Strain gages
* Transducer interfaces
Data Sheet, Rev 0, 08/2008
### Features and Benefits
Easy to use
Pin strappable gains of 10 and 100
Wide power supply range: ±2.3 V to ±18 V
DC specifications (B Grade, G = 10)
2 ppm/°C gain drift
0.02% gain error
50 μV maximum input offset voltage
0.8 μV/°C maximum input offset drift
0.6 nA maximum input bias current
100 dB CMRR
AC specifications
650 kHz, –3 dB bandwidth (G = 10)
2 V/μs slew rate
Low noise
8 nV/√Hz, @ 1 kHz (G = 100)
0.3 μV p-p from 0.1 Hz to 10 Hz (G = 100)

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