LMX2430SLEX/NOPB by Texas Instruments | RF PLLs | Avnet ASIA
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LMX2430SLEX/NOPB

Texas Instruments

PLL Frequency Synthesizer Dual 100MHz to 3000MHz 20-Pin LAM UCSP T/R

Manufacturer Part #: LMX2430SLEX/NOPB

Alternate Part #: LMX2430SLEX/NOPB


RoHS Compliant

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Information

The LMX243x devices are high performance frequency synthesizers with integrated dual modulus prescalers. The LMX243x devices are designed for use as RF and IF local oscillators for dual conversion radio transceivers.

A 32/33 or a 16/17 prescale ratio can be selected for the 5.0 GHz LMX2434 RF synthesizer. An 8/9 or a 16/17 prescale ratio can be selected for both the LMX2430 and LMX2433 RF synthesizers. The IF circuitry contains an 8/9 or a 16/17 prescaler. Using a proprietary digital phase locked loop technique, the LMX243x devices generate very stable, low noise control signals for RF and IF voltage controlled oscillators. Both the RF and IF synthesizers include a two-level programmable charge pump. Both the RF and IF synthesizers have dedicated Fastlock circuitry with integrated timeout counters. Furthermore, only a single word write is required to power up and tune the synthesizers to a new frequency.

Serial data is transferred to the devices via a three-wire interface (DATA, LE, CLK). A low voltage logic interface allows direct connection to 1.8V devices. Supply voltages from 2.25V to 2.75V are supported . The LMX243x family features low current consumption:

LMX2430 (3.0 GHz/ 0.8 GHz)—2.8 mA/ 1.4 mA, LMX2433 (3.6 GHz/ 1.7 GHz) —3.2 mA/ 2.0 mA, LMX2434 (5.0 GHz/ 2.5 GHz)—4.6 mA/ 2.4 mA at 2.50V.

The LMX243x devices are available in 20-Pin TSSOP and 20-Pin ULGA surface mount plastic packages.

 

Key Features

  • Low Current Consumption
  • 2.25V to 2.75V Operation
  • Selectable Synchronous or Asynchronous Powerdown Mode
  • Selectable Dual Modulus Prescaler:
    •  LMX2430 RF: 8/9 or 16/17
    •  LMX2433 RF: 8/9 or 16/17
    • LMX2434 RF: 16/17 or 32/33
    • LMX243x IF: 8/9 or 16/17
  • Programmable Charge Pump Current Levels
    • RF and IF: 1 or 4 mA
  • Fastlock Technology with Integrated Timeout Counters
  • Digital Filtered Lock Detect Output
  • Analog Lock Detect Output (supports both Push-Pull and Open Drain configurations)
  • 1.8V MICROWIRE Logic Interface
  • Available in 20-Pin TSSOP and 20-Pin ULGA
  • Technical Attributes

    Description
    Value
    Find similar Parts
    Minimum Input Frequency
    100 MHz
    Number of Elements per Chip
    2
    Operating Temperature
    -40 to 85 °C
    Maximum Input Frequency
    3000 MHz
    Max Processing Temp
    260
    Mounting
    Surface Mount
    Operating Supply Voltage
    2.5 V
    Type
    PLL Frequency Synthesizer
    Pin Count
    20
    Lead Finish
    Gold
    MSL Level
    1
    Product Dimensions
    3.5 x 3.5 x 0.6 mm
    Supplier Package
    LAM UCSP

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    SCHEDULE B:
    8542390000"
    HTSN:
    8542390001"
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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