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AD8629

Analog Devices
Part Number AD8629
Manufacturer Analog Devices
Description Rail-to-Rail Input/Output Operational Amplifier
Published Jan 2, 2017
Detailed Description Data Sheet AD8628/AD8629/AD8630 Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifier FEATURES ► L...
Datasheet PDF File AD8629 PDF File

AD8629
AD8629

Overview
Data Sheet AD8628/AD8629/AD8630 Zero-Drift, Single-Supply, Rail-to-Rail Input/Output Operational Amplifier FEATURES ► 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 APPLICATIONS ► Automotive sensors ► Pressure and position sensors ► Strain gage amplifiers ► Medical instrumentation ► Thermocouple amplifiers ► Precision current sensing ► Photodiode amplifiers PIN CONFIGURATIONS Figure 1.
5-Lead TSOT (UJ-5) and 5-Lead SOT-23 (RJ-5) Figure 2.
8-Lead SOIC_N (R-8) Figure 3.
8-Lead SOIC_N (R-8) and 8-Lead MSOP (RM-8) Figure 4.
14-Lead SOIC_N (R-14) and 14-Lead TSSOP (RU-14) GENERAL DESCRIPTION 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.
1 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 t...


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