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TLV1861-Q1

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Comparador de alta tensión de nanopotencia automotriz con salida de drenaje abierto

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TLV1861-Q1

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Detalles del producto

Number of channels 1 Output type Open-collector, Open-drain Propagation delay time (µs) 13 Vs (max) (V) 40 Vs (min) (V) 1.8 Vos (offset voltage at 25°C) (max) (mV) 4.4 Iq per channel (typ) (mA) 0.00044 Input bias current (±) (max) (nA) 0.25 Rail-to-rail In Rating Automotive Operating temperature range (°C) -40 to 125 Features Fail-safe, POR, Reverse Battery Protection VICR (max) (V) 40 VICR (min) (V) 0
Number of channels 1 Output type Open-collector, Open-drain Propagation delay time (µs) 13 Vs (max) (V) 40 Vs (min) (V) 1.8 Vos (offset voltage at 25°C) (max) (mV) 4.4 Iq per channel (typ) (mA) 0.00044 Input bias current (±) (max) (nA) 0.25 Rail-to-rail In Rating Automotive Operating temperature range (°C) -40 to 125 Features Fail-safe, POR, Reverse Battery Protection VICR (max) (V) 40 VICR (min) (V) 0
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
    • Device HBM ESD classification level H1C
    • Device CDM ESD classification level C6
  • Low supply current: 440 nA per channel
  • Wide supply range: 1.8 V to 40 V
  • Over-the-rail inputs: common-mode range extends 40 V above (V-) independent of (V+)
  • Fail-safe: high impedance inputs with no supply
  • Power-on-reset provides a known startup condition
  • No phase reversal for overdriven inputs
  • Reverse battery protection up to 40 V
  • Push-pull output option (TLV185x -Q1)
  • Open-drain output option (TLV186x -Q1)
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
    • Device HBM ESD classification level H1C
    • Device CDM ESD classification level C6
  • Low supply current: 440 nA per channel
  • Wide supply range: 1.8 V to 40 V
  • Over-the-rail inputs: common-mode range extends 40 V above (V-) independent of (V+)
  • Fail-safe: high impedance inputs with no supply
  • Power-on-reset provides a known startup condition
  • No phase reversal for overdriven inputs
  • Reverse battery protection up to 40 V
  • Push-pull output option (TLV185x -Q1)
  • Open-drain output option (TLV186x -Q1)

The TLV185x -Q1 and TLV186x -Q1 are a family of Automotive grade nanopower, 40 Volt comparators with single, dual and quad channel options. The family offers fail-safe (FS) inputs with push-pull and open-drain output options. These features coupled with nanopower operation over the wide supply range of 1.8 V to 40 V make this family well-suited for house-keeping functions such as voltage and temperature monitoring in low-power, always-on systems.

All devices include a Power-On Reset (POR) feature that ensures the output is in a known state until the minimum supply voltage has been reached before the output responds to the inputs, thus preventing false outputs during system power-up and power-down.

The inputs have over-the-rail capability where both inputs can exceed the supply voltage up to 40 V and still operate properly. This makes the comparators well suited for both high and low supply voltage systems without limiting the range of input voltages that can be compared. Likewise, the internal reverse battery protection feature prevents damage to the comparator in the event of improper battery installation to the supply pins.

The TLV185x -Q1 comparators have a push-pull output stage where as the TLV186x -Q1 comparators have an open-drain output stage, making it appropriate for level translation.

The TLV185x -Q1 and TLV186x -Q1 are a family of Automotive grade nanopower, 40 Volt comparators with single, dual and quad channel options. The family offers fail-safe (FS) inputs with push-pull and open-drain output options. These features coupled with nanopower operation over the wide supply range of 1.8 V to 40 V make this family well-suited for house-keeping functions such as voltage and temperature monitoring in low-power, always-on systems.

All devices include a Power-On Reset (POR) feature that ensures the output is in a known state until the minimum supply voltage has been reached before the output responds to the inputs, thus preventing false outputs during system power-up and power-down.

The inputs have over-the-rail capability where both inputs can exceed the supply voltage up to 40 V and still operate properly. This makes the comparators well suited for both high and low supply voltage systems without limiting the range of input voltages that can be compared. Likewise, the internal reverse battery protection feature prevents damage to the comparator in the event of improper battery installation to the supply pins.

The TLV185x -Q1 comparators have a push-pull output stage where as the TLV186x -Q1 comparators have an open-drain output stage, making it appropriate for level translation.
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* Data sheet TLV185x-Q1 and TLV186x-Q1 Family of 40 V, Nanopower Comparators datasheet PDF | HTML 11 mar 2022
Application brief Voltage Supervision with a Comparator PDF | HTML 28 sep 2023
Functional safety information TLV18x1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 11 ago 2021
Application note Zero Cross Detection Using Comparator with Dynamic Reference 30 dic 2020
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 mar 2017

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