Datasheet AD8574-EP (Analog Devices)

Zero-Drift, Single-Supply, Rail-to-Rail I/O Quad, Operational Amplifier Enhanced Product AD8574-EP FEATURES PIN CONFIGURATION Low offset voltage: 1 μV OUT A 1 14 OUT D Input offset drift: 0.005 μV/°C –IN A 2 13 –IN D Rail-to-rail input and output swing +IN A 3 12 +IN D AD8574-EP 5 V/2.7 V single-supply operation V+ 4 11 TOP VIEW V– +IN B (Not to Scale) 5 10 +IN C High gain: 145 dB typical –IN B 6 9 –IN C CMRR: 140 dB typical
3 0
OUT B
-0
7 8 OUT C
2
PSRR: 130 dB typical
30 09
Ultralow input bias current: 10 pA typical
Figure 1. 14-Lead TSSOP
Low supply current: 750 μA per op amp GENERAL DESCRIPTION Overload recovery time: 50 μs
This amplifier has ultralow offset, drift, and bias current. The
No external capacitors required
AD8574-EP is a quad amplifier, featuring rail-to-rail input and
ENHANCED PRODUCT FEATURES
output swings. It is guaranteed to operate from 2.7 V to 5 V
Supports defense and aerospace applications (AQEC standard)
single supply.
Military temperature range (−55°C to +125°C)
The AD8574-EP provides benefits previously found only in
Controlled manufacturing baseline
expensive auto-zeroing or chopper stabilized amplifiers. Using a
One assembly/test site
patented spread spectrum, auto-zero technique, the AD8574
One fabrication site
eliminates the intermodulation effects from interaction of the
Product change notification
chopping function with the signal frequency in ac applications.
Qualification data available on request
With an offset voltage of only 1 μV and drift of 0.005 μV/°C, the
APPLICATIONS
AD8574-EP is perfectly suited for applications where error
Temperature sensors
sources must be minimized.
Pressure sensors
The AD8574-EP is specified for the military temperature range
Precision current sensing
(−55°C to +125°C). The AD8574-EP quad amplifier is available in
Strain gage amplifiers
a 14-lead TSSOP package. Additional applications and technical information is available in the AD8571/AD8572/AD8574 data sheets.
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Document Outline Features Enhanced Product Features Applications Pin Configuration General Description Table of Contents Revision History Specifications 5 V Electrical Characteristics 2.7 V Electrical Characteristics Absolute Maximum Ratings Thermal Characteristics ESD Caution Typical Performance Characteristics Outline Dimensions Ordering Guide