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HomeProductsIntegrated Circuits (ICs)Linear - ComparatorsLTC1442CS8#PBF
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LTC1442CS8#PBF - Analog Devices Inc.

Manufacturer Part Number
LTC1442CS8#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
98D-LTC1442CS8#PBF
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
40,419 pcs available, New & Original
Parts Description
IC COMPARATOR 2 W/VOLT REF 8SO
Package
8-SO
Data sheet
LTC1442CS8#PBF.pdf

PCN Design/Specification

Cylindrical Battery Holders.pdf

Environmental Information

Material Declaration LTC1442CS8#PBF.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 40419
  • Unit Price: $2.88
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $2.88 $2.88
200+ $1.115 $223.00
500+ $1.076 $538.00
1000+ $1.056 $1,056.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

LTC1442CS8#PBF Tech Specifications
Analog Devices Inc. - LTC1442CS8#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC1442CS8#PBF

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Supply, Single/Dual (±) 2V ~ 11V, ±1V ~ 5.5V
Voltage - Input Offset (Max) 10mV @ 5V
Type with Voltage Reference
Supplier Device Package 8-SO
Series -
Propagation Delay (Max) 15µs
Package / Case 8-SOIC (0.154', 3.90mm Width)
Package Tube
Output Type CMOS, TTL
Product Attribute Attribute Value
Operating Temperature 0°C ~ 70°C
Number of Elements 2
Mounting Type Surface Mount
Hysteresis 50mV
Current - Quiescent (Max) 5.7µA
Current - Output (Typ) 40mA
Current - Input Bias (Max) -
CMRR, PSRR (Typ) 80dB CMRR, 80dB PSRR
Base Product Number LTC1442

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

How does the LTC1442CS8#PBF perform in terms of input offset voltage and propagation delay when used in precision analog switching applications?
The LTC1442CS8#PBF exhibits a maximum input offset voltage of 10mV at a supply voltage of 5V, which is suitable for applications requiring moderate precision without calibration. Its propagation delay reaches up to 15µs, enabling fast response in signal detection circuits where timing margins are constrained. This combination supports reliable switching in comparator-based level detection systems operating within its specified supply range of 2V to 11V.
What are the key differences between using a dual-supply configuration versus a single-supply mode with the LTC1442CS8#PBF, particularly in terms of noise immunity and output swing?
When powered with dual supplies (±1V to ±5.5V), the LTC1442CS8#PBF allows rail-to-rail input operation, enhancing noise margin by accommodating signals that span both positive and negative rails. In single-supply configurations (2V to 11V), the device still delivers robust performance but with reduced headroom for small-signal inputs near ground. The common-mode rejection ratio remains consistent at 80dB in both cases, ensuring stable operation across varying supply conditions.
Can the LTC1442CS8#PBF be effectively used in battery-powered systems due to its quiescent current characteristics?
Yes, the LTC1442CS8#PBF consumes a maximum of 5.7µA of quiescent current, making it highly efficient for low-power battery applications such as portable sensors or remote monitoring devices. This ultra-low power draw extends operational life significantly compared to higher-current comparator alternatives, especially when the device spends extended periods in standby mode.
How does hysteresis affect system stability when implementing the LTC1442CS8#PBF in noisy environments, and what design considerations arise from its 50mV hysteresis specification?
The 50mV built-in hysteresis on each comparator channel of the LTC1442CS8#PBF helps prevent output oscillation caused by input noise near the threshold point. However, excessive hysteresis can reduce sensitivity to small changes in input signals. Designers must balance this feature against responsiveness—especially in applications like window comparators or zero-crossing detectors—where precise triggering is required despite environmental interference.
In what scenarios would one prefer the LTC1442CS8#PBF over discrete comparator solutions, considering cost, space, and integration benefits?
The LTC1442CS8#PBF offers significant advantages when space-constrained designs demand two independent comparators with integrated voltage references in an 8-pin package. Compared to building similar functionality using discrete components, this solution reduces board real estate, simplifies layout, and lowers assembly costs while maintaining high CMRR (80dB) and PSRR (80dB). It is ideal for compact instrumentation, data acquisition front ends, and embedded control systems.
What limitations should engineers consider when selecting the LTC1442CS8#PBF for industrial temperature ranges outside its commercial-grade rating?
The LTC1442CS8#PBF is rated only from 0°C to 70°C, limiting its use in automotive, military, or outdoor environments where temperatures may exceed these bounds. For extended temperature applications, alternative parts such as industrial-grade (-40°C to +85°C or wider) versions must be evaluated. Attempting to operate beyond the specified range risks parametric drift, reliability degradation, and potential failure.
How does the LTC1442CS8#PBF’s output current capability compare to standard logic families, and what external components might be needed for driving loads?
With a typical output sink/source current of 40mA, the LTC1442CS8#PBF exceeds the drive strength of basic TTL or CMOS logic gates. This enables direct interface with LEDs, relays, or MOSFET gates without buffering. However, in high-speed digital paths, the 15µs propagation delay may introduce skew in multi-stage logic chains, necessitating careful timing analysis when cascading multiple comparator stages.
What impact does package selection have on thermal performance when integrating the LTC1442CS8#PBF into dense PCBs?
The LTC1442CS8#PBF comes in an 8-SOIC package with a 3.90mm width, offering moderate thermal dissipation compared to smaller SOT-23 variants but less than larger TSSOP or DIP options. While adequate for most low-power applications, high-frequency switching or continuous operation under heavy loads may require additional copper pour or heat spreading techniques to maintain junction temperatures below maximum ratings. MSL 1 classification ensures unlimited shelf life under normal storage conditions.
How can the LTC1442CS8#PBF’s voltage reference improve measurement accuracy in sensor interface circuits?
By embedding a precision internal voltage reference, the LTC1442CS8#PBF eliminates the need for external reference chips, reducing component count and improving long-term stability in analog signal conditioning. This is particularly beneficial in ratiometric ADC interfaces where the reference defines the full-scale range; even minor drifts in external references propagate directly into measurement errors, whereas the integrated reference maintains tighter tolerance over time and temperature within specified limits.
What precautions should be taken when replacing the LTC1442CS8#PBF in legacy designs to ensure compatibility with newer PCB layouts?
Although pin-compatible with standard 8-pin SOIC footprints, the LTC1442CS8#PBF requires verification of trace impedance, decoupling placement, and adjacent component routing to avoid coupling noise into sensitive comparator inputs. Additionally, confirm that no other LTC1442 variant (e.g., with different speed or supply specs) was inadvertently substituted during migration, as mismatched performance could degrade system behavior. Always validate timing budgets post-replacement.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC1442CS8#PBF

Product Attribute LTC1442CS8#TRPBF LTC1442IS8#PBF LTC1442CN8#PBF LTC1442IS8#TRPBF
Part Number LTC1442CS8#TRPBF LTC1442IS8#PBF LTC1442CN8#PBF LTC1442IS8#TRPBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Mounting Type - Surface Mount Through Hole Surface Mount
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Series - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Current - Input Bias (Max) - - - -
Propagation Delay (Max) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
CMRR, PSRR (Typ) - - - -
Hysteresis - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Current - Quiescent (Max) - - - -
Voltage - Supply, Single/Dual (±) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Number of Elements - - - -
Voltage - Input Offset (Max) - - - -
Current - Output (Typ) - - - -
Type - - - -

LTC1442CS8#PBF Datasheet PDF

Download LTC1442CS8#PBF pdf datasheets and Analog Devices Inc. documentation for LTC1442CS8#PBF - Analog Devices Inc..

Datasheets
LTC1440,41,42 Datasheet.pdf
PCN Design/Specification
Cylindrical Battery Holders.pdf
Environmental Information
Material Declaration LTC1442CS8#PBF.pdf

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    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

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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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    one of my hobbies is skydiving. and when i'm skydiving this works great.

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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.

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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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LTC1442CS8#PBF Image

LTC1442CS8#PBF

Analog Devices Inc.
98D-LTC1442CS8#PBF

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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