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 UTCSP Description 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 UTCSP surface mount plastic packages. Applications Mobile Handsets (GSM, GPRS, W-CDMA, CDMA, PCS, AMPS, PDC, DCS) Cordless Handsets (DECT, DCT) Wireless Data Cable TV Tuners

LMX2430 WEBENCH® Design/Analyze/Build It RF-Side PLL Design Options Min Output Freq MHz >= 250 help Max Output Freq MHz <= 3000 help Channel Spacing KHz > 0 help AUX-Side PLL Design Options Min Output Freq MHz >= 100 help Max Output Freq MHz <= 800 help Channel Spacing KHz > 0 help Global Design Options Crystal Frequency MHz > 0 help Max Supply V > 0 help What is WEBENCH®? Also Recommended LMX2433▲ Higher Maximum Operating Frequency LMX2434▲ Even Higher Maximum Operating Frequency

	Block Diagram click for larger image
Typical Performance *click for larger image

Parameters / Values	LMX2430	LMX2433	LMX2434
Max PLL Freq	3000 MHz	3600 MHz	5000 MHz
Min PLL Freq	250 MHz	500 MHz	1000 MHz
Max Aux PLL Freq	800 MHz	1700 MHz	2500 MHz
Min Aux PLL Freq	100 MHz	250 MHz	500 MHz
Normalized PLL Phase Noise	-219 dBc/Hz	-219 dBc/Hz	-219 dBc/Hz
Supply Current	4.2 mA	5.2 mA	7 mA
Number of PLLs	2	2	2
PLL Type	Integer-N	Integer-N	Integer-N
Min Supply Voltage	2.25 Volt	2.25 Volt	2.35 Volt
Max Supply Voltage	2.75 Volt	2.75 Volt	2.75 Volt
Fastlock	Yes	Yes	Yes
Temperature Min	-40 deg C	-40 deg C	-40 deg C
Temperature Max	85 deg C	85 deg C	85 deg C
Power Consumption	Undefined Watt	Undefined Watt	Undefined Watt
PowerWise Rating 6	Undefined mW x ps /ch	Undefined mW x ps /ch	Undefined mW x ps /ch
PowerWise	Undefined	Undefined	Undefined

Datasheets

Title		Size	Date	Other Language
	LMX2430 3.0 GHz/0.8 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal Communications	943 Kbytes	28-May-03

Application Notes

Title		Size	Date	Other Language
	AN-1275: Application Note 1275 Optimizing LMX243x FinRF Input Sensitivity Using Simple Matching Techniques	178 Kbytes	2-Jun-03

Part Number(s) (NSID)	Top View	Availability	Current Reported Stock	Budgetary Pricing	Pack Size
LMX2430SLEX/NOPB RoHS Status	LAMINATE UCSP	Full production Lead Time: 6 weeks	Distributor Region Qty ARROW Worldwide 2500 DIGI-KEY Worldwide 0 TAYLOR Americas 2500	$1.69 each at 1K+ pcs	reel of 2500
LMX2430TM/NOPB RoHS Status	TSSOP	Full production Lead Time: 6 weeks	Distributor Region Qty AVNET-EM Worldwide 82 DIGI-KEY Worldwide 59	$1.60 each at 1K+ pcs	rail of 73
LMX2430TMX/NOPB LMX2430TMX RoHS Status	TSSOP	Full production Lead Time: 6 weeks	Distributor Region Qty DIGI-KEY Worldwide 0	$1.60 each at 1K+ pcs	reel of 2500

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for LMX2430.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for LMX2430 is located at RoHS Status.

Part Number(s) (NSID)	Description	Availability	Current Reported Stock	Budgetary Pricing	Pack Size
LMX2430EVAL/NOPB	3.0 GHz/0.8 GHz PLLatinum Dual High Frequency Synthesizer for RF Personal Communications	Full production Lead Free (RoHS)	Distributor Region Qty DIGI-KEY Worldwide 0 MOUSER Worldwide 1	$176.00 each	1
Description: The LMX2430SLE Evaluation Board simplifies evaluation of the LMX2430 3.0 GHz/800 MHz PLLatinum™ Dual High Frequency synthesizer. The board enables all performance measurements with no additional support circuitry. The evaluation board consists of a LMX2430SLE device, RF and IF VCO modules, and RF and IF loop filters built by discrete components. The SMA flange mount connectors are provided for external reference input, RF and IF VCO outputs, and the power and grounding connection. A cable assembly is bundled with the evaluation board for connecting to a PC through the parallel printer port. By means of MICROWIRE™ serial port emulation, the Code Loader software included can be run on a PC to facilitate the LMX2430 internal register programming for the evaluation and measurement. Contents: A Fully Assembled LMX2430 Evaluation Board Code Loader Programming Cable Resources: LMX2430 Product Data Sheet:    LMX2430 Product Data Sheet The operating instructions are available in the product folder at:    http://www.national.com/mpf/LM/LMX2430.html The CodeLoader 4 software is used for programming and is available at:    http://www.national.com/analog/timing/codeloader

National Semiconductor follows the provisions of the Product Stewardship Guide for Customers (CSP-9-111C1) and Banned Substances and Materials of Interest Specification (CSP-9-111S2) for regulatory environmental compliance. Details may be found at: www.national.com/en/packaging/greennopb.html. Lead free products are RoHS compliant.

Lead Free product status is available through the search tool located here

Part Number(s) (NSID)	Weight (milligrams)	Type	Pins	MSL Rating	Peak Reflow	RoHS Status	CAD Symbols	Models	Package Marking Format
LMX2430SLEX/NOPB	17.819 17.819	LAMINATE UCSP	20	1	260	Detail	N/A	N/A	NSXYTT X2430 SLE
LMX2430TM/NOPB	71.68	TSSOP	20	1	260	Detail	N/A	N/A	NSUZXYTT LMX2430 TMDD
LMX2430TMX/NOPB LMX2430TMX	71.681 72.001	TSSOP	20	1 1	260 260	Detail	N/A	N/A	NSUZXYTT LMX2430 TMDD

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for LMX2430.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for LMX2430 is located at RoHS Status.

Design Tools

Title	Size	Date
LMX2430/33/34 Evaluation Board Instructions
Design and Simulation Software & CodeLoader Programming Software
"LMX-Utility Evaluation Board: Add features and functionality to the standard evaluation boards, such as amplification, loop filter, and RF functions"

CAD Symbols and Models N/A

Models N/A

Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
LMX2430SLEX	BICMOS8	2	15238	132	0	1812500	2	514301823
LMX2430TM	BICMOS8	2	15238	132	0	1812500	2	514301823
LMX2430TMX	BICMOS8	2	15238	132	0	1812500	2	514301823

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for LMX2430.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for LMX2430 is located at RoHS Status.