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The LTC6655LNBHMS8-2.5#PBF is a precision bandgap voltage reference from Analog Devices, housed in an 8-lead plastic MSOP package. It provides a fixed output voltage of 2.5V with an initial accuracy of ±0.025% and a maximum temperature coefficient of 2ppm/°C. The device operates within a supply voltage range of 3V to 13.2V, drawing a typical supply current of 7.5mA. It features a low-power shutdown mode consuming less than 20µA and supports sourcing and sinking currents up to ±5mA.
Verify the specific ordering suffix #PBF indicates tube packaging rather than tape and reel. Confirm the 'LN' designation matches the requirement for the noise reduction pin functionality. Ensure the MSOP-8 package type aligns with the target PCB footprint and thermal management requirements.
Select this component when ultra-low noise performance is critical, as indicated by the 'LN' suffix. Compare against standard LTC6655 variants if noise reduction circuitry is unnecessary. Verify that the 2.5V output meets system requirements and that the MSOP-8 package fits the available board space constraints.
This part belongs to the LTC6655 family of precision references designed for demanding automotive and industrial environments. It is fully specified over the –40°C to 125°C temperature range. The 'LN' variant specifically includes a dedicated noise reduction pin, distinguishing it from standard versions while maintaining the same core precision characteristics.
LTC6655BHMS8-2.5#PBF
The NR pin enables the reduction of wideband noise when a capacitor is connected between this pin and ground.
Tying the SHDN pin to ground powers down the device to less than 20µA. An internal pull-up resistor keeps the part enabled if the pin is left open.