MAX4091
Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps
Low Power RRI/O Op Amp Family Drives 2000pF Capacitive Loads
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Overview
Features and Benefits
- Low-Voltage, Single-Supply Operation (2.7V to 6V)
- Beyond-the-Rails™ Inputs
- No Phase Reversal for Overdriven Inputs
- 30µV Offset Voltage
- Rail-to-Rail Output Swing with 1kΩ Load
- Unity-Gain Stable with 2000pF Load
- 165µA (max) Quiescent Current Per Op Amp
- 500kHz Gain-Bandwidth Product
- High Voltage Gain (115dB)
- High Common-Mode Rejection Ratio (90dB) and Power-Supply Rejection Ratio (100dB)
- Temperature Range (-40°C to +125°C)
Product Details
The single MAX4091, dual MAX4092, and quad MAX4094 operational amplifiers combine excellent DC accuracy with rail-to-rail operation at the input and output. Since the common-mode voltage extends from VCC to VEE, the devices can operate from either a single supply (2.7V to 6V) or split supplies (±1.35V to ±3V). Each op amp requires less than 130µA of supply current. Even with this low current, the op amps are capable of driving a 1kΩ load, and the input-referred voltage noise is only 12nV/√Hz. In addition, these op amps can drive loads in excess of 2000pF.
The precision performance of the MAX4091/MAX4092/MAX4094 combined with their wide input and output dynamic range, low-voltage, single-supply operation, and very low supply current, make them an ideal choice for battery-operated equipment, industrial, and data acquisition and control applications. In addition, the MAX4091 is available in space-saving 5-pin SOT23, 8-pin µMAX®, and 8-pin SO packages. The MAX4092 is available in 8-pin µMAX and SO packages, and the MAX4094 is available in 14-pin TSSOP and 14-pin SO packages.
Applications
- Battery-Powered Instruments
- Cellular Handsets
- Data Acquisition and Control
- Digital Cameras (DIGICAMs)
- Glucose Meters
- GPS Solutions
- IP Camera
- Low-Voltage Signal Conditioning
- MP3 and Portable Media Players
- Portable Equipment
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Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
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Design Resources
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