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參數(shù)資料
| 型號： | 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)： | 12/31頁 |
| 文件大小： | 726K |
| 代理商： | 935263643551 |
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1999 Aug 24
2
Philips Semiconductors
Product specication
SDH/SONET STM16/OC48 laser drivers
OQ2545HP; OQ2545BHP
FEATURES
Differential 50 inputs for direct connection to
Current-Mode Logic (CML) outputs
Internal retiming to minimize jitter (OQ2545HP only)
Input clock phase margin of 320° at 2.5 Gbits/s
(OQ2545HP only)
RF output current sinking capability of 60 mA
Bias output current sinking capability of 100 mA
TTL compatible control inputs
Loop mode for system testing
Continuous output monitoring
Power dissipation <1500 mW (for typical application)
Low cost LQFP48 plastic package.
APPLICATIONS
Digital fibre optical modulation driver in STM16/OC48
short, medium and long haul optical transmission
systems
Optical modulation driver in high-speed data networks
High current driver for electro-optical converters
High current electrical line driver.
GENERAL 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.
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
OQ2545HP
LQFP48
plastic low prole quad at package; 48 leads; body 7
× 7 × 1.4 mm
SOT313-2
OQ2545BHP
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