AD8629 - ADI

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

Part No

AD8629
Manufacturer

ADI
ChipWorker Part#

CW142278171
RoHS

Lead free / RoHS Compliant
Description

Zero Drift, Single-Supply, R/R, Input/Output Operational Amplifier
Documentation

Datasheet

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AD8629 Specifications

Attribute	Attribute Value

Part Number	AD8629
Manufacturer	ADI
ChipWorker Part#	CW142278171
Documentation	Datasheet
Case/Package	SOIC
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Product Lifecycle Status	Active
RoHS	RoHS Compliant

Product Description

Product Details
This amplifier has ultralow offset, drift, and bias current. The AD8628/AD8629/AD8630 are wide bandwidth auto-zero amplifiers featuring rail-to-rail input and output swing and low noise. Operation is fully specified from 2.7 V to 5 V single supply (±1.35 V to ±2.5 V dual supply).
The AD8628/AD8629/AD8630 provide benefits previously found only in expensive auto-zeroing or chopper-stabilized amplifiers. Using Analog Devices, Inc., topology, these zero-drift amplifiers combine low cost with high accuracy and low noise. No external capacitor is required. In addition, the AD8628/ AD8629/AD8630 greatly reduce the digital switching noise found in most chopper-stabilized amplifiers.
With an offset voltage of only 1 μV, drift of less than 0.005 μV/°C, and noise of only 0.5 μV p-p (0 Hz to 10 Hz), the AD8628/ AD8629/AD8630 are suited for applications where error sources cannot be tolerated. Position and pressure sensors, medical equipment, and strain gage amplifiers benefit greatly from nearly zero drift over their operating temperature range. Many systems can take advantage of the rail-to-rail input and output swings provided by the AD8628/AD8629/AD8630 to reduce input biasing complexity and maximize SNR.
The AD8628/AD8629/AD8630 are specified for the extended industrial temperature range (−40°C to +125°C). The AD8628 is available in tiny 5-lead TSOT, 5-lead SOT-23, and 8-lead narrow SOIC plastic packages. The AD8629 is available in the standard 8-lead narrow SOIC and MSOP plastic packages. The AD8630 quad amplifier is available in 14-lead narrow SOIC and 14-lead TSSOP plastic packages. See the Ordering Guide for automotive grades.
**Applications**
* Automotive sensors
* Pressure and position sensors
* Strain gage amplifiers
* Medical instrumentation
* Thermocouple amplifiers
* Precision current sensing
* Photodiode amplifiers
Data Sheet, Rev. H, 4/2010
### Features and Benefits
Lowest auto-zero amplifier noise
Low offset voltage: 1 μV
Input offset drift: 0.002 μV/°C
Rail-to-rail input and output swing
5 V single-supply operation
High gain, CMRR, and PSRR: 130 dB
Very low input bias current: 100 pA maximum
Low supply current: 1.0 mA
Overload recovery time: 50 μs
No external components required
Qualified for automotive applications
AD8629-EP supports defense and aerospace applications (AQEC standard)
Download AD8629-EP Data Sheet (pdf)
Extended temperature range: −55°C to +125°C
Controlled manufacturing baseline
One assembly/test site
One fabrication site
Enhanced product change notification
Qualification data available on request
V62/15607 DSCC Drawing Number

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