AD8227 - ADI

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

Part No

AD8227
Manufacturer

ADI
ChipWorker Part#

CW216515993
RoHS

Lead free / RoHS Compliant
Description

Wide Supply Range, Rail-to-Rail Output Instrumentation Amplifier
Documentation

Datasheet

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AD8227 Specifications

Attribute	Attribute Value

Part Number	AD8227
Manufacturer	ADI
ChipWorker Part#	CW216515993
Documentation	Datasheet
	expand all
Product Lifecycle Status	Active
RoHS	RoHS Compliant

Product Description

Product Details
The AD8227 is a low cost, wide supply range instrumentation amplifier that requires only one external resistor to set any gain between 5 and 1000. The AD8227 is designed to work with a variety of signal voltages. A wide input range and rail-to-rail output allow the signal to make full use of the supply rails. Because the input range can also go below the negative supply, small signals near ground can be amplified without requiring dual supplies. The AD8227 operates on supplies ranging from ±1.5 V to ±18 V (2.2 V to 36 V single supply).
The robust AD8227 inputs are designed to connect to real-world sensors. In addition to its wide operating range, the AD8227 can handle voltages beyond the rails. For example, with a ±5 V supply, the part is guaranteed to withstand ±35 V at the input with no damage. Minimum as well as maximum input bias currents are specified to facilitate open wire detection. The AD8227 is ideal for multichannel, space-constrained applications. With its MSOP package and 125°C temperature rating, the AD8227 thrives in tightly packed, zero airflow designs.
The AD8227 is available in 8-pin MSOP and SOIC packages. It is fully specified for −40°C to +125°C operation.
For a similar instrumentation amplifier with a gain range of 1 to 1000, see the AD8226.
**Applications**
* Industrial process controls
* Bridge amplifiers
* Medical instrumentation
* Portable data acquisition
* Multichannel systems
### Features and Benefits
Gain set with 1 external resistor
Gain range: 5 to 1000
Input voltage goes below ground
Inputs protected beyond supplies
Very wide power supply range
Single supply: 2.2 V to 36 V
Dual supply: ±1.5 V to ±18 V
Bandwidth (G = 5): 250 kHz
CMRR (G = 5): 100 dB minimum (B Grade)
Input noise: 24 nV/√Hz
Typical supply current: 350 μA
Specified temperature: −40°C to +125°C
8-lead SOIC and MSOP packages

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