• LMX2487: Lock time data

  

  JH Shin

  TI Thinks Resolved

  Part Number: LMX2487 Other Parts Discussed in Thread: LMX2592 , LMX2572 , LMX2582 Hello, My customer is considering replacing the MAX2870 with a TI LMX2487. Could you please provide data on the lock time of the LMX2487 under the following or similar…

  • over 2 years ago
  • Clock & timing
  • Clock & timing forum

• LMX2487: Single ended vs. differential.

  

  Kannan Sockalingam

  TI Thinks Resolved

  Part Number: LMX2487 Hi team, working with a customer on this device. LMX248. The datasheet indicates that the device doesn’t necessarily require differential operation on the FinRF pins, and in fact can be run single ended if you shunt the complementary…

  • over 2 years ago
  • Clock & timing
  • Clock & timing forum

• LMX2487: Source/sink current of OSCout buffer?

  

  Bernard Wiwel

  Part Number: LMX2487 The data sheet for the LMX2487 does not give a source or sink current range for the OSCout buffer. How much current can be sourced or sinked to/from the buffer output? Also what are the ranges for the high and low output levels…

  • over 3 years ago
  • Clock & timing
  • Clock & timing forum

• LMX2487: IF PLL Inquiry

  

  Cedrick

  TI Thinks Resolved

  Part Number: LMX2487 Hi, Good day. The LMX2487 is a dual PLL. The higher frequency PLL is called RF PLL. The lower Frequency PLL is called IF PLL. My question is regarding the IF PLL. How low in frequency can I go in the IF PLL? Thanks, Cedrick

  • over 3 years ago
  • Clock & timing
  • Clock & timing forum

• Reprogramming LMX2487 EVM to LMX2485E EVM

  

  Jose Valencia

  Part Number: LMX2485 Other Parts Discussed in Thread: LMX2487 , LMX2487E , , USB2ANY Hi Y'all, Because the LMX2485E eval board is discontinued, I tried following a previous forum thread ( https://e2e.ti.com/support/clock-timing-group/clock-and-timing…

  • over 3 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMX2487: The output wave for LMX2487

  

  Mickey Zhang

  Resolved

  Part Number: LMX2487 Other Parts Discussed in Thread: LMX2491 Hi team, The customer has to confirm if LMX2487 can output triangle wave and sawtooth wave.

  • Resolved

  • over 7 years ago
  • Clock & timing
  • Clock & timing forum

• LMX2487: LMX2487 Signal for MUC ADC

  

  Paul Ren

  Part Number: LMX2487 Hi Team, Do LMX2487 provide a synchro signal for MUC ADC? Thanks!

  • over 7 years ago
  • Clock & timing
  • Clock & timing forum

• RE: LMX2487 External VCO application

  

  Julian Di Matteo

  Hi Nidhi, The VCO can be replaced with a footprint compatible VCO. But there is no clean way to integrate both VCO at the same time on this board. Do you need to experiment with both at the same time or one VCO at a time would be fine? If you…

  • over 9 years ago
  • Clock & timing
  • Clock & timing forum

• lmx2487 reference clock input

  

  Dan Hoshiko

  I am wondering if the input to the reference input pin needs to be AC coupled? The drawing for the input sensitivity test seems to indicate it should be, but in the data sheet says to just connect it to a tcxo. Also what should the output of the tcxo…

  • over 10 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMX2487 RF Digital Lock Detect Operation Accuracy

  

  Kazuhiko Ogawa

  Resolved

  Other Parts Discussed in Thread: LMX2487 Hallo, Our customer is now evaluating the RF Digital Lock Detect Operation of the LMX2487. RF PLL comparison frequency is 25MHz. The LMX2487 datasheet mentions “ It is recommended that this bit (DIV4) be enabled…

  • Resolved

  • over 11 years ago
  • Clock & timing
  • Clock & timing forum

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