TI HFA1113IP

The HFA1113 is a high-speed buffer featuring user-programmable gain and output limiting with ultra-high-speed performance. This buffer is ideal for high-frequency applications requiring output limiting, particularly those demanding sub-nanosecond overload recovery time. The output limiting function allows designers to set maximum positive and negative output levels, protecting subsequent stages from damage or input saturation. Sub-nanosecond overload recovery time rapidly restores the amplifier to linear operation following overload conditions.

The unique pinout allows users to select voltage gains of +1, -1, or ±2 without any external components, as described in the Application Information section. Compatibility with existing op amp pinouts provides flexibility for upgrading low-gain amplifiers while reducing component count. Unlike most buffers, the standard pinout offers an upgrade path should higher closed-loop gain be required in the future.

Component and composite video systems will also benefit from this buffer's performance, as demonstrated by excellent gain flatness and differential gain/phase specifications of 0.02%/0.04 degrees (RL=150Ω).