The OPAx365 zer∅-crossover series, rail-to-rail, high performance, CMOS operational amplifiers are optimized for very low voltage, single-supply applications. Rail-to-rail input/output, low-noise (4.5nV/√Hz) and high-speed operation (50MHz Gain Bandwidth) make these devices ideal for driving sampling analog-to-digital converters (ADCs). Applications incude audio, signal conditioning, and sensor amplification. The OPA365 family of op amps are also well-suited for cell phone power amplifier control loops.
Special features include an excellent common-mode rejection ratio (CMRR), no input stage crossover distortion, high input impedance, and rail-to-rail input and output swing. The input common-mode range includes both the negative and positive supplies. The output voltage swing is within 10mV of the rails.
The OPA365 (single version) is available in the micro SIZE SOT23-5 and SO-8 packages. The OPA2365 (dual version) is offered in the SO-8 package. All versions are specified for operation from −40°C to +125°C. Single and dual versions have identical specifications for maximum design flexibility.
● GAIN BANDWIDTH: 50MHz
● ZERO−CROSSOVER DISTORTION TOPOLOGY:
− Excellent THD+N: 0.0004%
− CMRR: 100dB (min)
− Rail-to-Rail Input and Output
− Input 100mV Beyond Supply Rail
● LOW NOISE: 4.5nV/√Hz at 100kHz
● SLEW RATE: 25V/µs
● FAST SETTLING: 0.3µs to 0.01%
− Low Offset: 100µV
− Low Input Bias Current: 0.2pA
● 2.2V TO 5.5V OPERATION
● SIGNAL CONDITIONING
● DATA ACQUISITION
● PROCESS CONTROL
● ACTIVE FILTERS
● TEST EQUIPMENT
● WIDEBAND AMPLIFIERS
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