SY88993AV

The SY88993AV limiting post amplifier with its high and wide bandwidth is ideal for use as a post amplifier in fiberoptic receivers with data rates up to 3.2Gbps. Signals as small as 4mVp-p can be amplified to drive devices with CML inputs or AC coupled PECL inputs. The SY88993AV generates a chatter-free Loss of Signal (LOS) open collector TTL output.

The SY88993AV incorporates a programmble level detect function to identify when the input signal has been lost. This information can be fed back to the /EN input of the device to maintain stability under loss of signal conditions. Using LOS_LVL pin the sensitivity of the level detect can be adjusted. The LOS_LVL voltage can be set by connecting a resistor divider between V_CC and V_REF, Figure 3.