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HomeProductsIntegrated Circuits (ICs)Specialized ICsLTC1441CS
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LTC1441CS - LT

Manufacturer Part Number
LTC1441CS
Manufacturer
LT
Allelco Part Number
32D-LTC1441CS
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
8,130 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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In stock: 8130

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Specifications

LTC1441CS Tech Specifications
LT - LTC1441CS technical specifications, attributes, parameters and parts with similar specifications to LT - LTC1441CS

Product Attribute Attribute Value
Part Number LTC1441CS
Package DAC91001
Description DAC91001
Stock Condition Get 8130 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer LT
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

What are the key operational advantages of the LTC1441CS in low-power comparator applications compared to general-purpose comparators?
The LTC1441CS offers rail-to-rail input operation with a typical supply current of just 35µA, enabling extended battery life in portable systems. Its built-in hysteresis (typically 6mV) reduces output oscillation near threshold crossings, a critical benefit in noisy industrial environments where general-purpose comparators often require external components to achieve similar stability.
How does the propagation delay of the LTC1441CS behave under varying supply voltages, and what implications does this have for timing-sensitive designs?
Across its operating supply range of 2.7V to 11V, the LTC1441CS maintains a propagation delay of approximately 1.3µs (typical) from input overdrive to output transition. This consistency simplifies timing budget calculations in power monitoring or window detection circuits, where supply fluctuations might otherwise introduce jitter in less stable comparators.
Can the LTC1441CS be used in overvoltage detection circuits without external clamping diodes?
Yes, the LTC1441CS supports input voltages up to 11V independent of the supply voltage (up to 16V absolute maximum), allowing direct sensing of higher-voltage rails such as 5V or 12V systems. This eliminates the need for input clamping in many supervisory applications, reducing component count and potential failure points.
What trade-offs should be considered when using the LTC1441CS in a high-impedance sensor interface versus a lower-impedance signal path?
While the LTC1441CS has a high input impedance (>10^12Ω typical), its input bias current (1nA max) can generate millivolt-level offsets when interacting with source impedances above 1MΩ. In high-impedance sensor applications, this may necessitate guarding or buffering to maintain threshold accuracy, whereas lower-impedance signals are less affected.
How does the LTC1441CS compare to the LTC1440CS in terms of output stage configuration and drive capability?
The LTC1441CS features an open-drain output requiring a pull-up resistor, making it suitable for wired-OR configurations or interfacing with multiple voltage domains. In contrast, the LTC1440CS provides a push-pull output, offering faster edge rates and no external pull-up requirement, but less flexibility in mixed-voltage systems.
Is the LTC1441CS suitable for use in automotive under-hood applications given its temperature specifications?
The LTC1441CS is rated for operation from 0°C to 70°C, which limits its direct use in full automotive under-hood environments that often exceed 85°C. However, it can be deployed in cabin-mounted modules or with thermal management where junction temperatures remain within specification.
What design considerations apply when configuring the LTC1441CS for window comparator functionality?
Implementing a window detector with the LTC1441CS requires two instances—one for the upper threshold and one for the lower—with their open-drain outputs tied together via a single pull-up resistor. Care must be taken to ensure hysteresis levels do not cause overlapping switching regions, which could result in indeterminate output states during slow input transitions.
How does internal hysteresis in the LTC1441CS affect threshold precision in precision voltage monitoring applications?
The typical 6mV of internal hysteresis introduces a fixed offset between rising and falling trigger points, which may be acceptable in brown-out detection but could compromise accuracy in tight-tolerance monitoring (e.g., ±1% thresholds). In such cases, external hysteresis adjustment or a comparator with programmable hysteresis may be preferable.
Can the LTC1441CS operate reliably with a 3.3V supply while monitoring a 5V rail?
Yes, the LTC1441CS can monitor a 5V signal while powered from 3.3V due to its overvoltage-tolerant inputs. However, the output will only swing to the supply rail (3.3V), so level translation may be needed if interfacing with 5V logic. The input common-mode range includes ground and extends beyond the positive supply, enabling valid comparisons under these conditions.
What layout practices are recommended to minimize noise coupling in the LTC1441CS when used in high-EMI environments?
Place the decoupling capacitor (0.1µF ceramic) as close as possible to the VCC and GND pins of the LTC1441CS to suppress high-frequency supply noise. Keep input traces short and away from digital or switching signals, and consider a ground plane beneath the device to reduce capacitive coupling. The SOP8 package’s small footprint aids compact, low-inductance layouts.

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  • Andr***PCBLab
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    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
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Electrostatic Discharge Protection and Handling

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  • ISO 9001: 2015
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  • ISO 28000: 2007
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LTC1441CS

LT
32D-LTC1441CS

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