OPA355UA/2K5

The OPA355 series of high-speed voltage-feedback CMOS operational amplifiers are designed for video applications and other applications requiring wide bandwidth. The OPA355 series devices are unity-gain stable and can drive large output currents. In addition, the OPAx355 series also features a digital shutdown (enable) function. This feature provides power-saving during idle periods and places the output in a high-impedance state to support output multiplexing. The differential gain is 0.02%, and the differential phase is 0.05°. The quiescent current per channel is 8.3 mA. The OPAx355 is optimized for operation from single or dual supplies as low as 2.5 V (±1.25 V) and up to 5.5 V (±2.75 V). The lower limit of the common-mode input range of the OPAx355 series devices can extend 100 mV below ground, and the upper limit can extend 1.5 V above V+. The output swing is within 100 mV of the supply rails, supporting a wide dynamic range. The OPAx355 series is available in single-channel (SOT-23-6 and SO-8), dual-channel (VSSOP-10), and triple-channel (TSSOP-14 and SO-14) versions. The multi-channel versions have fully independent circuits to minimize crosstalk and eliminate interaction completely. All packages are specified for operation from -40°C to +125°C.

Applications

• Video processing
• Ultrasonic
• Optical networking, tunable lasers
• Photodiode transimpedance amplifiers
• Active filters
• High-speed integrators
• ADC input buffers
• DAC output amplifiers
• Barcode scanner communications

Key features

• Unity-gain bandwidth: 450MHz
• Wide bandwidth: 200MHz GBW
• Low noise: 5.8nV/√Hz
• Excellent video performance
• Differential gain: 0.02%
• Differential phase: 0.05°
• 0.1dB gain flatness: 75MHz
• Input range includes ground rail-to-rail output (within 100mV)
• Low input bias current: 3pA
• Low shutdown current: 3.4μA
• Enable and disable time: 100ns and 30ns
• Thermal shutdown
• Single-supply operating voltage range: 2.5V to 5.5V
• MicroSIZE package