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部品型式

LMX2326TM

製品説明
仕様・特性

LMX2306/LMX2316/LMX2326 PLLatinum™ Low Power Frequency Synthesizer for RF Personal Communications LMX2306 550 MHz LMX2316 1.2 GHz LMX2326 2.8 GHz General Description Features The LMX2306/16/26 are monolithic, integrated frequency synthesizers with prescalers that are designed to be used to generate a very stable low noise signal for controlling the local oscillator of an RF transceiver. They are fabricated using National’s ABiC V silicon BiCMOS 0.5µ process. The LMX2306 contains a 8/9 dual modulus prescaler while the LMX2316 and the LMX2326 have a 32/33 dual modulus prescaler. The LMX2306/16/26 employ a digital phase locked loop technique. When combined with a high quality reference oscillator and loop filter, the LMX2306/16/26 provide the feedback tuning voltage for a voltage controlled oscillator to generate a low phase noise local oscillator signal. Serial data is transferred into the LMX2306/16/26 via a three wire interface (Data, Enable, Clock). Supply voltage can range from 2.3V to 5.5V. The LMX2306/16/26 feature ultra low current consumption; LMX2306 - 1.7 mA at 3V, LMX2316 - 2.5 mA at 3V, and LMX2326 - 4.7 mA at 3V. n n n n The LMX2306/16/26 synthesizers are available in a 16-pin TSSOP surface mount plastic package. n n n n n 2.3V to 5.5V operation Ultra low current consumption 2.5V VCC JEDEC standard compatible Programmable or logical power down mode: — ICC = 1 µA typical at 3V Dual modulus prescaler: — LMX2306 8/9 — LMX2316/26 32/33 Selectable charge pump TRI-STATE ® mode Selectable FastLock™ mode with timeout counter MICROWIRE™ Interface Digital Lock Detect Applications n n n n n Portable wireless communications (PCS/PCN, cordless) Wireless Local Area Networks (WLANs) Cable TV tuners (CATV) Pagers Other wireless communication systems Functional Block Diagram 10012701 TRI-STATE ® is a registered trademark of National Semiconductor Corporation. FastLock™, PLLatinum™ and MICROWIRE™ are trademarks of National Semiconductor Corporation. © 2004 National Semiconductor Corporation DS100127 www.national.com LMX2306/LMX2316/LMX2326 PLLatinum Low Power Frequency Synthesizer for RF Personal Communications March 2004

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型式 数量 D/C・lead 備考 選択
LMX2326TM 221個    
LMX2326TM 155個    
LMX2326TM 90個 48  
LMX2326TM 70個    
LMX2326TM/NOPB 4508個    
LMX2326TM/NOPB 4508個    
LMX2326TMD 155個    
LMX2326TMD 38個    
LMX2326TMX 221個    
LMX2326TMX/NOPB 5000個    
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