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LMH6526SP/NOPB

更新时间： 2024-11-24 13:09:23
品牌 Logo 应用领域
美国国家半导体 - NSC 驱动器二极管激光二极管
页数 文件大小 规格书
15页 902K
描述
IC LED DISPLAY DRIVER, PQCC28, LLP-28, Display Driver

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LMH6526SP/NOPB 技术参数

是否Rohs认证：符合生命周期：Transferred
包装说明：HVQCCN, LCC28,.2SQ,20Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：7.63Is Samacsys：N
数据输入模式：ANALOG接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：S-PQCC-N28JESD-609代码：e3
长度：5 mm湿度敏感等级：1
功能数量：1区段数：2
端子数量：28最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装等效代码：LCC28,.2SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified座面最大高度：0.6 mm
子类别：Display Drivers最大供电电压：5.5 V
最小供电电压：4.5 V标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：40
宽度：5 mmBase Number Matches：1

LMH6526SP/NOPB 数据手册

 浏览型号LMH6526SP/NOPB的Datasheet PDF文件第2页浏览型号LMH6526SP/NOPB的Datasheet PDF文件第3页浏览型号LMH6526SP/NOPB的Datasheet PDF文件第4页浏览型号LMH6526SP/NOPB的Datasheet PDF文件第5页浏览型号LMH6526SP/NOPB的Datasheet PDF文件第6页浏览型号LMH6526SP/NOPB的Datasheet PDF文件第7页 
June 2005  
LMH6525/LMH6526  
Four–Channel Laser Diode Driver with Dual Output  
General Description  
Features  
n Fast switching: Rise and fall times: 0.6/1.0 ns.  
™
The LMH 6525/6526 is a laser diode driver for use in  
combination DVD/CD recordable and rewritable systems.  
The part contains two high-current outputs for reading and  
writing the DVD (650 nm) and CD (780 nm) lasers. Func-  
tionality includes read, write and erase through four separate  
switched current channels. The channel currents are  
summed together at the selected output to generate multi-  
level waveforms for reading, writing and erasing of optical  
discs. The LVDS interface delivers DVD write speeds of 16x  
and higher while minimizing noise and crosstalk. The  
LMH6525/6526 is optimized for both speed and power con-  
sumption to meet the demands of next generation systems.  
The part features a 150 mA read channel plus one 300 mA  
and two 150 mA write channels, which can be summed to  
allow a total output current of 600 mA or greater. The chan-  
nel currents are set through four independent current inputs.  
n Low Voltage Differential Signaling (LVDS) channels  
enable interface for the fast switching lines  
n Low output current noise: 0.24 nA/  
n Dual Output: Selectable by SELA/B pin (active HIGH)  
SELA = LMH6526  
SELB = LMH6525  
n Four independent current channels  
Gain of 300, 300 mA write channel  
Gain of 150, 150 mA low-noise read channel  
Two gain of 150, 150 mA write channels  
600 mA minimum combined output current  
n Integrated AC Coupled HFM Oscillator  
Selectable frequency and amplitude setting  
by external resistors  
200 MHz to 600 MHz frequency range  
Amplitude to 100 mA peak-to-peak modulation  
n Complete shutdown by ENABLE pin  
n 5V single-supply operation  
n Logic inputs TTL and CMOS compatible  
n Space saving Leadless Leadframe Package (LLP®-28)  
n LMH6525 has differential enable oscillator inputs  
n LMH6526 has single ended enable oscillator inputs  
An on-board High-Frequency Modulator (HFM) oscillator  
helps reduce low-frequency noise of the laser and is enabled  
by applying LVDS levels on the ENOSC pins for the  
LMH6525, while the LMH6526 is enabled by applying an  
asymmetrical signal on the ENOSC pin. The fully differential  
oscillator circuit minimizes supply line noise, easing FCC  
approval of the overall system. The SELA/B pin (active  
HIGH) selects the output channel and oscillator settings.  
External resistors determine oscillator frequency and ampli-  
tude for each setting. The write and erase channels can be  
switched on and off through dedicated LVDS interface pins.  
Applications  
n Combination DVD/CD recordable and rewritable drives  
n DVD camcorders  
n DVD recorders  
Block Diagrams  
20110108  
20110109  
LLP® is a registered trademark of National Semiconductor.  
™
LMH is a trademark of National Semiconductor Corporation.  
© 2005 National Semiconductor Corporation  
DS201101  
www.national.com  
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