AD8552ARZ-REEL7 Audio Power Amplifier IC Precision Amplifiers Zero-Drft SGL-Supply RRIO Dual
audio preamplifier ic
,stereo amplifier ic chip
AD8552ARZ-REEL7 Audio Power Amplifier IC Precision Amplifiers Zero-Drft SGL-Supply RRIO Dual
FEATURES
- Low offset voltage: 1 μV
- Input offset drift: 0.005 μV/°C
- Rail-to-rail input and output swing
- 5 V/2.7 V single-supply operation
- High gain, CMRR, PSRR: 130 dB
- Ultralow input bias current: 20 pA
- Low supply current: 700 μA/op amp
- Overload recovery time: 50 μs
- No external capacitors required
APPLICATIONS
- Temperature sensors
- Pressure sensors
- Precision current sensing
- Strain gage amplifiers
- Medical instrumentation
- Thermocouple amplifiers
GENERAL DESCRIPTION
This family of amplifiers has ultralow offset, drift, and bias current. The AD8551, AD8552, and AD8554 are single, dual, and quad amplifiers featuring rail-to-rail input and output swings. All are guaranteed to operate from 2.7 V to 5 V with a single supply.
The AD8551/AD8552/AD8554 provide the benefits previously found only in expensive auto-zeroing or chopper-stabilized amplifiers. Using Analog Devices, Inc. topology, these new zero-drift amplifiers combine low cost with high accuracy. No external capacitors are required.
With an offset voltage of only 1 μV and drift of 0.005 μV/°C, the AD8551/AD8552/AD8554 are perfectly suited for applications in which error sources cannot be tolerated. Temperature, position and pressure sensors, medical equipment, and strain gage amplifiers benefit greatly from nearly zero drift over their operating temperature range. The rail-to-rail input and output swings provided by the AD8551/AD8552/AD8554 make both high-side and low-side sensing easy.
The AD8551/AD8552/AD8554 are specified for the extended industrial/automotive temperature range (−40°C to +125°C). The AD8551 single amplifier is available in 8-lead MSOP and 8-lead narrow SOIC packages. The AD8552 dual amplifier is available in 8-lead narrow SOIC and 8-lead TSSOP surface- mount packages. The AD8554 quad is available in 14-lead narrow SOIC and 14-lead TSSOP packages.
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