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SY88913V

Status: Samples Available

Features:

  • 3.3V and 5V power supply option
  • Up to 1.25Gb/s operation
  • Low power
  • Low noise
  • Chatter-Free /LOS Generation
  • PECL /LOS Output
  • TTL /EN Input
  • Differential PECL inputs for data
  • /EN input is TTL with internal 27KΩ pull up
  • Single power supply
  • Designed for use with Micrel-High-Bandwidth laser diode driver and controller
  • Available in a tiny 10-pin (3mm) MSOP
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Device Overview

Summary

The SY88913V 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 1.25Gb/s. Signals as small as 5mVp-p can be amplified to drive devices with PECL inputs. The SY88913V generates a chatter-free PECL Loss of Signal (/LOS) output.

The SY88913V 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 LOSLVL pin the sensitivity of the level detect can be adjusted. The LOSLVL voltage can be set by connecting a resistor divider between VCC and VREF, Figure 2. Figure 3 and 4 show the relationship between input level sensitivity and the voltage set on LOSLVL.

Additional Features
    • 3.3V and 5V power supply option
    • Up to 1.25Gb/s operation
    • Low power
    • Low noise
    • Chatter-Free /LOS Generation
    • PECL /LOS Output
    • TTL /EN Input
    • Differential PECL inputs for data
    • /EN input is TTL with internal 27KΩ pull up
    • Single power supply
    • Designed for use with Micrel-High-Bandwidth laser diode driver and controller
    • Available in a tiny 10-pin (3mm) MSOP
Parametrics
Name
Value
Part Type
Fiber Optic Post Amplifiers
Data Rate Capability
1.25
Data Input Type
PECL
Data Output Type
PECL
LOS/SD
LOS (PECL)
LOS/SD Gain
1x
RC Time Constant
4.6
Hysteresis Typ (dB)
1x

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