MAX3969ETP+

The MAX3969ETP+ is a 200Mbps SFP limiting amplifier with PECL data outputs in 20 pin TQFN package. It is ideal for low cost ATM, fast Ethernet, FDDI and ESCON fibre optic receivers. The device has 1mVP-P input sensitivity and an integrated power detector that senses the input signal power. It provides a received signal strength indicator (RSSI) which is an analogue indication of power level. Signal strength is also indicated by complementary TTL loss of signal (LOS) outputs and the PECL signal detect (SD) output both of which indicate power level relative to a programmable threshold. The threshold can be adjusted to detect signal amplitudes as low as 2.7mVP-P. An optional squelch function disables switching of data outputs by holding them at a known state when the signal is below programmed threshold. The MAX3969 is used in SFP/SFF transceivers, 155Mbps LAN ATM transceivers and FTTx transceivers.

• Supply voltage range from 2.97V to 5.5V
• Operating temperature range from -40°C to 85°C
• Supply current of 22mA
• Compatible with 4B/5B data coding
• LOS hysteresis of 5dB

Ứng Dụng

Signal Processing

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