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Micrel, Inc.
5V/3.3V 1.25Gbps HIGH-SPEED LIMITING POST AMPLIFIER
SY88903V
SY88903V
FEATURES
■ ■ ■ ■ ■ ■ ■ ■ ■ 3.3V and 5V power supply option Up to 1.25Gbps operation Low noise Chatter-free LOS generation Open collector TTL LOS output TTL /EN Input Differential PECL inputs for data Single power supply Designed for use with laser diode driver and controller ■ Available in a tiny 10-pin (3mm × 3mm) MSOP
DESCRIPTION
The SY88903V limiting post amplifier with its high gain and wide bandwidth is ideal for use as a post amplifier in fiber optic receivers with data rates up to 1.25Gbps. Signals as small as 5mVpp can be amplified to drive devices with PECL inputs. The SY88903V generates a chatter-free, Loss-of-Signal (LOS), open-collector TTL output.