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LMX2323 Datasheet Pllatinum? 2.0 Ghz Frequency Synthesizer For Rf Personal Communications

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: LMX2323 PLLatinum 2.0 GHz Frequency Synthesizer for RF Personal Communications October 2000 LMX2323 PLLatinum™ 2.

General Description

The LMX2323 is a high performance frequency synthesizer with integrated 32/33 dual modulus prescaler designed for RF operation up to 2.0 GHz.

Using a proprietary digital phase locked loop technique, the LMX2323’s linear phase detector characteristics can generate very stable, low noise control signals for UHF and VHF voltage controlled oscillators.

Serial data is transferred into the LMX2323 via a three-line MICROWIRE™ interface (Data, LE, Clock).

Key Features

  • very low curent consumption, typically 3.5mA at 3V. The charge pump provides 4 mA output current. The LMX2323 is manufactured using National’s ABiC V BiCMOS process and is packaged in a 16-pin TSSOP. Features n RF operation up to 2.0 GHz n 2.7V to 5.5V operation n Low current consumption: Icc = 3.5mA (typ) at Vcc=3.0V n Digital Lock Detect n Dual modulus prescaler: 32/33 n Internal balanced, low leakage charge pump.

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