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MAX492CSA Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX492CSA Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 16 page _______________General Description The dual MAX492, quad MAX494, and single MAX495 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 150µA supply current. Even with this low current, the op amps are capable of driving a 1k Ω load, and the input referred voltage noise is only 25nV/ √Hz. In addition, these op amps can drive loads in excess of 1nF. The precision performance of the MAX492/MAX494/ MAX495, combined with their wide input and output dynamic range, low-voltage single-supply operation, and very low supply current, makes them an ideal choice for battery-operated equipment and other low-voltage appli- cations. The MAX492/MAX494/MAX495 are available in DIP and SO packages in the industry-standard op-amp pin configurations. The MAX495 is also available in the smallest 8-pin SO: the µMAX package. ________________________Applications Portable Equipment Battery-Powered Instruments Data Acquisition Signal Conditioning Low-Voltage Applications ____________________________Features o Low-Voltage Single-Supply Operation (+2.7V to +6V) o Rail-to-Rail Input Common-Mode Voltage Range o Rail-to-Rail Output Swing o 500kHz Gain-Bandwidth Product o Unity-Gain Stable o 150µA Max Quiescent Current per Op Amp o No Phase Reversal for Overdriven Inputs o 200µV Offset Voltage o High Voltage Gain (108dB) o High CMRR (90dB) and PSRR (110dB) o Drives 1k Ω Load o Drives Large Capacitive Loads o MAX495 Available in µMAX Package—8-Pin SO ______________Ordering Information Ordering Information continued at end of data sheet. * Dice are specified at TA = +25°C, DC parameters only. Single/Dual/Quad, Micropower, Single-Supply Rail-to-Rail Op Amps ________________________________________________________________ Maxim Integrated Products 1 1 2 3 4 8 7 6 5 VCC OUT2 IN2- IN2+ VEE IN1+ IN1- OUT1 MAX492 DIP/SO TOP VIEW 1 2 3 4 8 7 6 5 N.C. VCC OUT NULL VEE IN1+ IN1- NULL MAX495 DIP/SO/ µMAX _________________Pin Configurations MAX187 (ADC) GND INPUT SIGNAL CONDITIONING FOR LOW-VOLTAGE ADC VDD SERIAL INTERFACE 6 8 7 3 1 4.096V 4 AIN 5 DOUT SCLK CS SHDN REF 2 ANALOG INPUT +5V 6 7 4 2 3 10k 10k MAX495 __________Typical Operating Circuit For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800 19-0265; Rev 2; 9/96 PART MAX492CPA MAX492CSA MAX492C/D 0°C to +70°C 0°C to +70°C 0°C to +70°C TEMP. RANGE PIN-PACKAGE 8 Plastic DIP 8 SO Dice* MAX492EPA MAX492ESA -40°C to +85°C -40°C to +85°C 8 Plastic DIP 8 SO MAX492MJA -55°C to +125°C 8 CERDIP Pin Configurations continued at end of data sheet. |
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