• LMH1980: Inquiry Regarding the Replacement of the LM1881 with the LMH1980

  

  Kosuke Masuda

  TI Thinks Resolved

  Part Number: LMH1980 When replacing the [LM1881MX/NOPB] with the [LMH1980MM], we would like to perform the replacement without modifying the software. Is it acceptable to leave the following output signals—which were newly added in the [LMH1980MM]—unconnected…

  • 1 month ago
  • Clock & timing
  • Clock & timing forum

• LMH1980: Typical power consumption with input signal

  

  user4497266

  TI Thinks Resolved

  Part Number: LMH1980 Tool/software: Hi. The LMH1980 datasheet states the typical and maximum current consumption when there is no input signal. How much can I expect this to increase when applying an input signal? Regards

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

• LMH1980: LMH1980

  

  Joshua Ron

  TI Thinks Resolved

  Part Number: LMH1980 Hello, The LMH1980 has a recommended low-pass filter (on page #12 in the datasheet) for the video input, but it appears that its cutoff frequency (2.79MHz) harms the video signal itself (PAL/NTSC in my case). Is this correct …

  • over 4 years ago
  • Clock & timing
  • Clock & timing forum

• LMH1980: if LMH1983 will be affected by fan airflow or any other signals

  

  zhang ping

  TI Thinks Resolved

  Part Number: LMH1980 Other Parts Discussed in Thread: LMH1983 Tool/software: We encountered a rather strange problem using LMH1983 here, please help analyze it. We use LMH1983 to output clock to FPGA's 12G-SDI signal on the board. When installed in the…

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

• LMH1980: Automotive Sync separator

  

  Shinji Tsuji

  Resolved

  Part Number: LMH1980 Hi team, I am looking for a device to detect Odd and Even field such as LMH1980 sync separator. Is there automotive version available? If not, is there any way to achieve this function with automotive Q grade devices? regards…

  • Resolved

  • over 4 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMH1980: POWER　tolerance

  

  user4969681

  Resolved

  Part Number: LMH1980 Does LMH1980 have tolerance? Does it have a bad effect on stability or reliability to apply voltage output pin without VCC power supply?

  • Resolved

  • over 5 years ago
  • Clock & timing
  • Clock & timing forum
Answered

• LMH1980: Problems with VSOUT

  

  Daniel Fuchs3

  Resolved

  Part Number: LMH1980 There is the following statement in the datasheet: In the absence of a video input signal, the LMH1980 outputs are logic high except for the odd/even field, which is undefined and depends on its previous state, and the composite sync…

  • Resolved

  • over 5 years ago
  • Clock & timing
  • Clock & timing forum

• LMH1980: What is the input impedance of the LMH1980 ?

  

  Nir Flysher

  TI Thinks Resolved

  Part Number: LMH1980 Dear Team, Can you please advise what is the input impedance of the LMH1980 ? Regards, Nir.

  • over 8 years ago
  • Interface
  • Interface forum

• LMH1980: Review replacement parts

  

  Charles Jeon

  TI Thinks Resolved

  Part Number: LMH1980 Hi team My customers want to apply the LM1881 as an ISL59885 replacement. What should be important when reviewing? Is there any problem to replace it immediately? Thank you

  • over 7 years ago
  • Interface
  • Interface forum

• LMH1980: HS OUT abnormal

  

  K.Shidara

  TI Thinks Resolved

  Part Number: LMH1980 Hi Team I'll send thru private message below since including the confidential informatiuon. Please support below message? Thanks Best regards, Shidara

  • over 7 years ago
  • Interface
  • Interface forum

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