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LMX2325 Datasheet Frequency Synthesizer

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LMX2315 LMX2320 LMX2325 PLLatinum Frequency Synthesizer for RF Personal Communications LMX2325 2 5 GHz LMX2320 2 0 GHz LMX2315 1 2 GHz September 1996 LMX2315 LMX2320 LMX2325 PLLatinum TM Frequency Synthesizer for RF.

General Description

The LMX2315 2320 2325’s are high performance frequency synthesizers with integrated prescalers designed for RF operation up to 2 5 GHz They are fabricated using National’s ABiC IV BiCMOS process A 64 65 or a 128 129 divide ratio can be selected for the LMX2315 and LMX2320 RF synthesizer at input frequencies of up to 1 2 GHz and 2 0 GHz while 32 33 and 64 65 divide ratios are available in the 2 5 GHz LMX2325 Using a proprietary digital phase locked loop technique the LMX2315 2320 2325’s linear phase detector characteristics can generate very stable low noise signals for controlling a local oscillator Serial data is transferred into the LMX2320 and the LMX2325 via a three line MICROWIRETM interface (Data Enable Clock) Supply voltage can range from 2 7V to 5 5V The LMX2315 LMX2320 and the LMX2325

Key Features

  • Y Y Y Y Y Y Y RF operation up to 2 5 GHz 2 7V to 5 5V operation Low current consumption Dual modulus prescaler LMX2325 32 33 or 64 65 LMX2320 LMX2315 64 65 or 128 129 Internal balanced low leakage charge pump Power down feature for sleep mode ICC e 30 mA (typ) at VCC e 3V Small-outline plastic surface mount TSSOP 0 173 wide.

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More Datasheets from National Semiconductor (now Texas Instruments)

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