Ad8628artz-reel7 sot-23-5 precision amplifier sold at a low price
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 swings 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’ 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 µ V, 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 perfectly suited for applications
in which 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 TSOT-23, SOT-23, and the 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 standard 14-lead SOIC and TSSOP
plastic packages.
No external components required Photodiode amplifier PIN CONFIGURATIONS 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: 120 dB Very low input bias current: 100 pA max Low supply current: 1.0 mA Overload recovery time: 10 µs
APPLICATIONS Automotive sensors Pressure and position sensors Strain gage amplifiers Medical instrumentation Thermocouple amplifiers Precision current sensing
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