SY88149NDLMG

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Details for Microchip Technology

SY88149NDLMG

1.25Gbps GPON Burst Mode Limiting Amplifier
Buy Directly from Microchip Technology (0 in Stock)
$8.3700 per unit
Series Information for SY88149NDLMG - Microchip Technology

Features

  • feature
    1.25Gbps operation
  • feature
    5mVpp input sensitivity
  • feature
    Available in
  • feature
    High-sensitivity LOS/SD signal detect
  • feature
    Low-noise LVPECL data outputs
  • feature
    Option to AUTO RESET or manual RESET LOS/SD output
  • feature
    Programmable LOS/SD level set (LOS/SDLVL)
  • feature
    Selectable LOS/SD output option
  • feature
    Single 3.3V power supply
  • feature
    Squelching function to maintain output stability

Description

IC LIMITING AMP 1.25GBPS 16QFN
The SY88149NDL is a high-sensitivity, burst-mode capable limiting post amplifier designed for Optical Line Terminal (OLT) receiver applications. The SY88149NDL satisfies the strict timing restrictions of the GPON standards by providing ultra-fast Loss-of-Signal (LOS) or Signal-Detect (SD) output. Auto Reset and Manual Reset options are provided to control LOS/SD output timing. For increased flexibility, this device also includes an option to select between LOS or SD output. The device can be connected to burst-mode capable transimpedance amplifiers (TIAs) using AC or DC coupling. The SY88149NDL generates a high-gain LOS or SD LVTTL output. A programmable LOS/SD level set pin (LOS/SDLVL) sets the sensitivity of the input amplitude detection. When LOS/SD SEL pin is left open or tied to Vcc, JAM is active high, SD is selected and asserts high if the input amplitude rises above the threshold sets by LOS/SDLVL and de-asserts low otherwise. When LOS/SD SEL pin is set low or tied to GND, JAM is active low, LOS is selected and asserts low if the input amplitude rises above the threshold sets by LOS/SDLVL and de-asserts high otherwise. The LOS/SD output can be fed back to the JAM input to maintain output stability under an invalid signal conditions. Typically, 4–5 dB SD hysteresis is provided to prevent chattering. The SY88149NDL also features a selectable proprietary Noise Discriminator that aids by filtering out input signals that do not qualify as a 1.25Gbps GPON preamble signal in the initial startup phase. This feature minimizes false SD Asserts that can be triggered by random noise. The SY88149NDL operates from a single +3.3V power supply, over temperatures ranging from –40°C to +85o C. With its wide bandwidth and high gain, signals up to 1.25Gbps and as small as 5mVpp can be amplified to drive devices with LVPECL inputs.

Specifications

Bandwidth:
750MHz
Supply Voltage Min:
3V
Supply Voltage Max:
3.6V
Amplifier Case Style:
QFN
No. of Pins:
16Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 2 - 1 year
SVHC:
No SVHC (15-Jan-2018)
Amplifier Type:
Voltage Limiting
Base Number:
88149
Operating Temperature Range:
-40°C to +85°C
Supply Voltage Range:
3V to 3.6V

Alternate Descriptions

Avnet America

SP Amp Limiting Amp Single 3.6V 16-Pin QFN Tube

Avnet America product

Microchip Technology Inc

1.25Gbps GPON Burst Mode Limiting Amplifier

Future Electronics

SY88149 Series 3.6 V 1.25 Gbps SMT Burst Mode Limiting Amplifier - QFN-16