參數(shù)資料
型號(hào)： 935263643551
廠商： NXP SEMICONDUCTORS
元件分類： 其它接口
英文描述： SPECIALTY INTERFACE CIRCUIT, PQFP48
封裝： PLASTIC, SOT-313, LQFP-48
文件頁數(shù)： 22/31頁
文件大?。?/td> 726K
代理商： 935263643551
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OQ2545HP;
OQ2545BHP
Information as of 2000-08-29
OQ2545HP; OQ2545BHP; SDH/SONET STM16/OC48 laser drivers
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Description
The OQ2545 is a driver IC intended to be used with a directly modulated laser diode or with an Electro Absorption
Modulator (EAM) in SDH/SONET 2.5 Gbits/s optical transmission systems.
The IC features differential data inputs. Loop mode inputs are provided for system testing, along with an output for
continuous monitoring. In addition, the OQ2545HP features differential clock inputs for internal retiming resulting in a better
jitter performance.
The IC has bias and modulating current outputs, the levels of which can be set separately. As an additional safety
measure, the active HIGH-level input for automatic laser shutdown (pin ALS) can be used to switch off the laser
modulation and bias currents.
Although the IC is intended for 2.5 Gbits/s optical transmission systems, it can be used in any application requiring high
current drive at high frequencies. The IC is transparent from input to output.
Features
l
Differential 50 W inputs for direct connection to Current-Mode Logic (CML) outputs
l
Internal retiming to minimize jitter (OQ2545HP only)
l
Input clock phase margin of 320° at 2.5 Gbits/s (OQ2545HP only)
l
RF output current sinking capability of 60 mA
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