OPA3682

The OPA3682 provides an easy-to-use, broadband fixed gain, triple buffer amplifier. Depending on the external connections, the internal resistor network may be used to provide either a fixed gain of +2 video buffer, or a gain of +1 or 1 voltage buffer. Operating on a very low 6mA/ch supply current, the OPA3682 offers a slew rate and output power normally associated with a much higher supply current. A new output stage architecture delivers high output current with minimal headroom and crossover distortion. This gives exceptional single-supply operation. Using a single +5V supply, the OPA3682 can deliver a 1V to 4V output swing with over 100mA drive current and 200MHz bandwidth. This combination of features makes the OPA3682 an ideal RGB line driver or single-supply, triple ADC input driver.

The OPA3682's low 6mA/ch supply current is precisely trimmed at 25°C. This trim, along with low drift over temperature, guarantees lower maximum supply current than competing products that report only a room temperature nominal supply current. System power may be further reduced by using the optional disable control pin. Leaving this disable pin open, or holding it high, gives normal operation. If pulled low, the OPA3682 supply current drops to less than 320mA/ch while the output goes into a high impedance state. This feature may be used for either power savings or for video MUX applications.