Single 220MHz, 1500V/µs Operational Amplifiers with Programmable Supply Current

The LT1815/LT1816/LT1817 are low power, high speed, very high slew rate operational amplifiers with excellent DC performance. The LT1815/LT1816/LT1817 feature higher bandwidth and slew rate, much lower input offset voltage and lower noise and distortion than other devices with comparable supply current. A programmable current option (LT1815 and LT1816A) allows power savings and flexibility by operating at reduced supply current and speed. The circuit topology is a voltage feedback amplifier with the slewing characteristics of a current feedback amplifier.

The output drives a 100Ω load to ±3.8V with ±5V supplies. On a single 5V supply, the output swings from 1V to 4V with a 100Ω load connected to 2.5V. Harmonic distortion is –70dB for a 5MHz, 2VP-P output driving a 100Ω load in a gain of –1.

The LT1815/LT1816/LT1817 are manufactured on Linear Technology’s advanced low voltage complementary bipolar process and are available in a variety of TSOT-23, SO, MSOP, SSOP and leadless DFN packages.

Applications

* Wideband Amplifiers

* Buffers

* Active Filters

* Video and RF Amplification

* Communication Receivers

* Cable Drivers

* Data Acquisition Systems

* 220MHz Gain-Bandwidth Product

* 1500V/μs Slew Rate

* 6.5mA Supply Current per Amplifier

* Programmable Current Option

* 6nV/√Hz Input Noise Voltage

* Unity-Gain Stable

* 1.5mV Maximum Input Offset Voltage

* 8μA Maximum Input Bias Current

* 800nA Maximum Input Offset Current

* 50mA Minimum Output Current, VOUT = ±3V

* ±3.5V Minimum Input CMR, VS = ±5V

* Specified at ±5V, Single 5V Supplies

* Operating Temperature Range: –40°C to 85°C

* Space Saving MSOP and SSOP Packages

* Low Profile (1mm) SOT-23 (ThinSOT™) and Leadless DFN Packages