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HomeProductsIntegrated Circuits (ICs)Linear - ComparatorsLTC1441CS8#PBF
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LTC1441CS8#PBF - Analog Devices Inc.

Manufacturer Part Number
LTC1441CS8#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
98D-LTC1441CS8#PBF
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
38,558 pcs available, New & Original
Parts Description
IC COMPARATOR 2 GEN PUR 8SO
Package
8-SO
Data sheet
LTC1441CS8#PBF.pdf

PCN Design/Specification

Cylindrical Battery Holders.pdf

Environmental Information

Material Declaration LTC1441CS8#PBF.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 38558
  • Unit Price: $2.368
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $2.368 $2.37
200+ $0.917 $183.40
500+ $0.884 $442.00
1000+ $0.869 $869.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

LTC1441CS8#PBF Tech Specifications
Analog Devices Inc. - LTC1441CS8#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LTC1441CS8#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 General Purpose
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 -
Current - Quiescent (Max) 5.7µA
Current - Output (Typ) 40mA
Current - Input Bias (Max) -
CMRR, PSRR (Typ) 80dB CMRR, 80dB PSRR
Base Product Number LTC1441

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 LTC1441CS8#PBF perform in terms of input offset voltage when operating at a 5V supply, and what implications does this have for precision applications?
The LTC1441CS8#PBF exhibits a maximum input offset voltage of 10mV when powered by a 5V supply. This level of offset is suitable for moderate-precision analog switching tasks but may introduce errors in high-gain signal conditioning circuits where even small mismatches are amplified. Designers should account for this offset during threshold calibration or select alternative devices with lower Vos if tighter tolerances are required.
What is the typical output current capability of the LTC1441CS8#PBF, and how might this influence driver stage selection in digital control loops?
The LTC1441CS8#PBF provides a typical output current of 40mA, which enables direct interface with loads such as MOSFET gates or optocouplers without requiring an external buffer. This makes it efficient for low-to-medium fan-out logic stages, though sustained high-current operation near this limit may necessitate thermal considerations due to package power dissipation limits in compact layouts.
How does the quiescent current of the LTC1441CS8#PBF compare to other general-purpose comparators, and why would a designer choose this part for low-power battery-operated systems?
With a maximum quiescent current of just 5.7µA, the LTC1441CS8#PBF consumes significantly less power than many bipolar comparator alternatives. This characteristic supports longer battery life in intermittent-sensing applications like temperature monitoring or motion detection. However, its CMOS inputs also imply higher input bias currents than JFET-input types, so source impedance must be considered to prevent loading effects.
What is the propagation delay performance of the LTC1441CS8#PBF, and how does it affect timing margins in real-time feedback control systems?
The LTC1441CS8#PBF achieves a maximum propagation delay of 15µs, making it suitable for moderate-speed decision-making in control loops but unsuitable for ultra-high-speed applications requiring sub-microsecond response. In systems like overvoltage protection or window comparators, this latency introduces a fixed delay that must be compensated in loop dynamics or setpoint timing.
Can the LTC1441CS8#PBF operate reliably across industrial temperature ranges, and what design precautions are necessary if deployed outside 0°C to 70°C?
The LTC1441CS8#PBF is specified only from 0°C to 70°C, so use beyond these bounds risks parametric drift or failure. For extended environments, designers must either derate operating conditions, add environmental shielding, or select alternative parts with wider temperature specs—even if it means accepting higher cost or reduced performance margins.
How does the common-mode rejection ratio (CMRR) of the LTC1441CS8#PBF impact noise immunity in noisy industrial environments?
The device features a typical CMRR of 80dB, meaning it can suppress signals common to both inputs by up to 10,000:1. While adequate for most general-purpose sensing, this level becomes insufficient in high-noise settings like motor drives or RF-heavy zones unless combined with proper layout techniques, filtering, or differential signaling schemes.
Is hysteresis supported on the LTC1441CS8#PBF, and what are the consequences of operating without external feedback networks?
No internal hysteresis exists in the LTC1441CS8#PBF; thus, noise-induced chatter can occur near threshold crossings unless an external Schmitt trigger network is implemented using resistors. This absence simplifies circuit integration but shifts responsibility for noise robustness onto the system-level design rather than the comparator itself.
What packaging and mounting options are available for the LTC1441CS8#PBF, and how do they influence PCB assembly strategy?
The LTC1441CS8#PBF comes in an 8-pin SOIC package with a standard 3.90mm width, compatible with automated pick-and-place equipment. Its surface-mount design supports compact PCBs but requires careful attention to solder joint reliability under thermal cycling, especially since the operating range excludes extreme temperatures.
How does the supply voltage flexibility of the LTC1441CS8#PBF benefit mixed-voltage system architectures?
Operating from 2V to 11V single-supply or ±1V to ±5.5V dual supplies allows the LTC1441CS8#PBF to interface cleanly between subsystems running at different logic levels—such as 3.3V microcontrollers and 5V legacy sensors—without level-shifting circuitry, reducing component count and improving signal integrity.
What role does the moisture sensitivity level (MSL) rating play in the handling and storage of LTC1441CS8#PBF components?
Rated MSL 1, the LTC1441CS8#PBF has unlimited shelf life under dry conditions and does not require baking before reflow soldering, simplifying inventory management and production scheduling for high-volume manufacturing environments.
How does the LTC1441CS8#PBF compare to faster comparator ICs in terms of speed versus power trade-offs?
Unlike dedicated high-speed comparators such as the LT1720 (with sub-1µs propagation), the LTC1441CS8#PBF trades bandwidth for ultra-low quiescent current and modest supply flexibility. It is ideal for applications where settling time is less critical than power efficiency, whereas the LT1720 suits ADC drive or pulse detection scenarios.
Are there any limitations regarding input voltage range relative to supply rails that designers should observe when using the LTC1441CS8#PBF?
While not explicitly stated in the summary parameters, typical CMOS input structures require that input voltages remain within one diode drop below V– and above V+ rails to avoid latch-up or damage. Thus, inputs driven near ground or supply extremes risk exceeding safe limits unless clamping diodes or level translation are employed.
How does the RoHS compliance status of the LTC1441CS8#PBF influence procurement and regulatory adherence in international markets?
As ROHS3 compliant, the LTC1441CS8#PBF meets European Union restrictions on hazardous substances including lead, mercury, and cadmium, facilitating global distribution without additional certification burdens or substitution requirements in consumer or industrial electronics.
What considerations apply when cascading two channels of the LTC1441CS8#PBF in a multi-stage decision logic configuration?
Since each channel operates independently with matched propagation delays, cascading can create cumulative timing skews that affect overall response consistency. Careful layout symmetry and matched trace lengths help maintain phase alignment, especially important in synchronous detection or voting logic implementations.
How does the absence of built-in protection features affect ESD and overvoltage handling in the LTC1441CS8#PBF?
The LTC1441CS8#PBF lacks integrated ESD diodes or overvoltage protection, so external TVS or series resistors are recommended when interfacing with untrusted sources. Without them, transient events such as electrostatic discharge during handling or inductive kick from relay coils could permanently damage the die.
Can the LTC1441CS8#PBF drive capacitive loads directly, and what risks arise from doing so?
Although capable of sourcing 40mA, driving large capacitances (e.g., >100pF) without series resistance risks oscillations or excessive rise times due to inadequate slew rate. In such cases, adding a small resistor (10–100Ω) between output and load improves stability and prevents ringing.
What are the implications of using the LTC1441CS8#PBF in automotive-grade environments despite lacking AEC-Q100 qualification?
While the LTC1441CS8#PBF is not qualified to AEC-Q100 standards, it may still find use in non-critical automotive subsystems where cost and space dominate. However, failure modes under vibration, temperature cycling, or humidity exposure cannot be guaranteed, limiting suitability to passenger comfort modules rather than safety-relevant functions.
How does the base product number LTC1441 relate to other variants like LTC1441CS8#PBF, and what factors determine variant selection?
All LTC1441 variants share core architecture but differ in packaging (e.g., DIP, TSSOP), temperature grades, and sometimes pin compatibility. The CS8#PBF specifically denotes 8-pin SOIC, commercial temperature range, tube packaging, and Pb-free finish. Selection hinges on mechanical constraints, thermal demands, and supply chain logistics rather than functional divergence.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LTC1441CS8#PBF

Product Attribute LTC1441CS8#TRPBF LTC1441IS8#PBF LTC1441IS8#TRPBF LTC1441CN8#PBF
Part Number LTC1441CS8#TRPBF LTC1441IS8#PBF LTC1441IS8#TRPBF LTC1441CN8#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Series - - - -
Propagation Delay (Max) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
CMRR, PSRR (Typ) - - - -
Voltage - Input Offset (Max) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Current - Input Bias (Max) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Number of Elements - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Hysteresis - - - -
Voltage - Supply, Single/Dual (±) - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Current - Output (Typ) - - - -
Current - Quiescent (Max) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Type - - - -

LTC1441CS8#PBF Datasheet PDF

Download LTC1441CS8#PBF pdf datasheets and Analog Devices Inc. documentation for LTC1441CS8#PBF - Analog Devices Inc..

Datasheets
LTC1440,41,42 Datasheet.pdf
PCN Design/Specification
Cylindrical Battery Holders.pdf
Environmental Information
Material Declaration LTC1441CS8#PBF.pdf

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Region Country Logistic Time(Day)
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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.
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LTC1441CS8#PBF Image

LTC1441CS8#PBF

Analog Devices Inc.
98D-LTC1441CS8#PBF

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