The LMX2531 is a low-power, high-performance frequency synthesizer system which includes a fully integrated delta-sigma PLL and VCO with fully integrated tank circuit. The third and fourth poles are also integrated and adjustable. Ultra-low noise and high-precision LDOs are integrated for the PLL and VCO, which yield higher supply-noise immunity and more consistent performance. When combined with a high-quality reference oscillator, the LMX2531 device generates very stable, low-noise local-oscillator signals for up and down conversion in wireless communication devices. The LMX2531 device is a monolithic integrated circuit, fabricated in an advanced BiCMOS process. Several different versions of this product accommodate different frequency bands.
| Top-Dokumentation | Typ | Titel | Format-Optionen | Datum |
|---|---|---|---|---|
| * | Data sheet | LMX2531 High-Performance Frequency Synthesizer System With Integrated VCO datasheet (Rev. S) | PDF | HTML | 31 Dez 2014 |
| Application note | AN-1879 Fractional N Frequency Synthesis (Rev. B) | 18 Nov 2021 | ||
| Application note | AN-1558 Clocking High-Speed A/D Converters (Rev. B) | 01 Mai 2013 | ||
| Application note | AN-1821 CPRI Repeater System (Rev. A) | 26 Apr 2013 | ||
| Application note | Selecting Amplifiers, ADCs, and Clocks for High-Performance Signal Paths | 13 Sep 2007 | ||
| Application note | Generating Precision Clocks for Time- Interleaved ADCs | 02 Aug 2007 |
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The CodeLoader 4 software is used to program the LMX PLLs and LMK timing devices through either the USB or line print terminal (LPT) port of a computer. This software also provides information on how to program the device by showing the bits that are actually sent.
Which software do I use?
Product | (...) |
The Clock Design Tool software helps with part selection, loop filter design and simulation of timing device solutions. When you enter desired output frequencies and a reference frequency (optional), the tool provides TI devices to meet the specified requirements, divider values and a recommended (...)
Texas Instruments clocks and synthesizers (TICS) pro software is used to program the evaluation modules (EVMs) for product numbers with these prefixes: CDC, LMK and LMX. These products include phase-locked loops and voltage-controlled oscillators (PLL+VCO), synthesizers and clocking devices.
PLLATINUMSIM-SW is a simulation tool that allows users to create detailed designs and simulations of our PLLatinum™ integrated circuits, which include the LMX series of phase-locked loops (PLLs) and synthesizers.
| Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
|---|---|---|
| WQFN (NJG) | 36 | Ultra Librarian |
| WQFN (NJH) | 36 | Ultra Librarian |
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PLLatinum Sim 1.6.9.1 installer binary for Windows operating system
PLLatinum Sim 1.6.9.1 software manifest
PLLatinum Sim 1.6.9.1 is a bugfix release to 1.6.9.
TICS Pro 1.7.10.1 installer binary for Windows operating system
TICS Pro 1.7.10.1 Release Notes
TICS Pro 1.7.10.1 Software Manifest
v1.7.10.1 contains a bugfix for ReadAllRegisters API introduced in v1.7.10.0, and replaces v1.7.10.0.
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