AD8230 - ADI

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

Part No

AD8230
Manufacturer

ADI
ChipWorker Part#

CW430798833
Description

16V Zero-Drift Auto-Zero Instrumentation Amplifier
Documentation

Datasheet

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AD8230 Specifications

Attribute	Attribute Value

Part Number	AD8230
Manufacturer	ADI
ChipWorker Part#	CW430798833
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD8230 is a low drift, differential sampling, precision instrumentation amplifier. Auto-zeroing reduces offset voltage drift to less than 50 nV/°C. The AD8230 is well-suited for thermocouple and bridge transducer applications. The AD8230’s high CMR of 110 dB (minimum) rejects line noise in measurements where the sensor is far from the instrumentation. The 16 V rail-to-rail, common-mode input range is useful for noisy environments where ground potentials vary by several volts. Low frequency noise is kept to a minimal 3 μV p-p, making the AD8230 perfect for applications requiring the utmost dc precision. Moreover, the AD8230 maintains its high performance over the extended industrial temperature range of −40°C to +125°C.
Two external resistors are used to program the gain. By using matched external resistors, the gain stability of the AD8230 is much higher than instrumentation amplifiers that use a single resistor to set the gain. In addition to allowing users to program the gain between 101 and 1000, users can adjust the output offset voltage.
The AD8230 is versatile yet simple to use. Its auto-zeroing topology significantly minimizes the input and output transients typical of commutating or chopper instrumentation amplifiers. The AD8230 operates on ±4 V to ±8 V (+8 V to +16 V) supplies and is available in an 8-lead SOIC.
**Applications**
* Pressure measurements
* Temperature measurements
* Strain measurements
* Automotive diagnostics
Data Sheet, Rev. B, 9/07
### Features and Benefits
Resistor programmable gain range: 101 to 1000
Supply voltage range: ±4 V to ±8 V
Rail-to-rail input and output
Maintains performance over −40°C to +125°C
Excellent ac and dc performance
110 dB minimum CMR @ 60 Hz, G = 10 to 1000
10 μV maximum offset voltage (RTI, ±5 V operation)
50 nV/°C maximum offset drift
20 ppm maximum gain nonlinearity

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