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Alternatives to Texas Instruments LMH0394SQE/NOPB

Texas Instruments LMH0394SQE/NOPB and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.

Equivalent and substitute parts for Texas Instruments LMH0394SQE/NOPB

LMH0394SQE/NOPB compared against its qualified second sources
LMH0394SQE/NOPBTexas InstrumentsLMH0384SQ/NOPBTexas InstrumentsLMH0344SQTexas Instruments+2more
FFF CompatibilityThe LMH0384SQ uses the identical 16-pin WQFN (RUM) package with the same physical footprint and identical pin configurations in both Pin and SPI modes.Both devices share the same WQFN 16-pin 4.00 mm x 4.00 mm package dimensions.The LMH0384SQ requires a 3.3V supply voltage (3.135V to 3.465V) instead of the LMH0394's 2.5V supply (2.375V to 2.625V), requiring power rail redesign or LDO adjustments.Footprint is compatible in hardware Pin mode, but pin configurations differ on control pins (Pins 4, 9, and 12 are VEE/GND on LMH0344 but SPI_EN, SS_bar, and AUTO_SLEEP on LMH0394).Both devices are housed in the same 16-pin WQFN (RUM) package.Operates on a 3.3V supply voltage instead of 2.5V, and does not support the SPI interface mode.
AI Summary

LMH0394SQE/NOPB by Texas Instruments: Amplifier Interface 16-WQFN (4x4).

The LMH0384SQ is a 3.3V variant of the LMH0394 that maintains identical pin assignments and package dimensions, offering a straightforward drop-in alternative if the supply voltage rail can be updated to 3.3V.

  • Pin-compatible footprint and drop-in package
  • Same SPI and Pin configuration modes
  • Identical support for 3G/HD/SD-SDI data rates (up to 2.97 Gbps)
  • Higher supply voltage requirement (3.3V vs 2.5V)
  • Higher power consumption (approx. 240 mW vs 115 mW)

The LMH0344SQ is a widely used legacy 3G-SDI cable equalizer that is footprint-compatible in hardware-controlled Pin mode, but requires a 3.3V supply rail and lacks SPI programming features.

  • Excellent availability and cost-effective pricing
  • Footprint compatible with LMH0394 when operating in hardware Pin mode
  • Identical physical footprint (16-WQFN, 4x4 mm)
  • Lacks SPI register access/configuration mode
  • Requires 3.3V supply instead of 2.5V
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