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Home Products Integrated Circuits (ICs)Specialized ICs~~LTC2908CDDB-A1~~

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LTC2908CDDB-A1 - LT

Name: LT LTC2908CDDB-A1
Brand: LT
SKU: LTC2908CDDB-A1
Availability: InStock
Rating: 5 (4 reviews)

Manufacturer Part Number: LTC2908CDDB-A1

Manufacturer: LT

Allelco Part Number: 32D-LTC2908CDDB-A1

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 9,120 pcs available, New & Original

Parts Description: DAC91001

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

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In stock: 9120

Specifications

LTC2908CDDB-A1 Tech Specifications
LT - LTC2908CDDB-A1 technical specifications, attributes, parameters and parts with similar specifications to LT - LTC2908CDDB-A1

Product Attribute	Attribute Value
Part Number	LTC2908CDDB-A1
Package	DAC91001
Description	DAC91001
Stock Condition	Get 9120 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)

How does the LTC2908CDDB-A1 support system monitoring in low-voltage applications, and what is its typical operating current consumption?: The LTC2908CDDB-A1 is designed for precise voltage monitoring in systems requiring tight power budgets. It operates across a supply range of 2.7V to 5.5V and draws a quiescent current as low as 35µA in normal operation, making it suitable for battery-powered or always-on embedded devices. This efficiency enables continuous monitoring without significantly impacting overall system energy consumption, which is critical in applications such as industrial sensors or portable instrumentation.

What are the key differences between the LTC2908CDDB-A1 and a generic voltage supervisor IC when managing power sequencing in a multi-rail system?: Unlike basic voltage supervisors that trigger only on undervoltage conditions, the LTC2908CDDB-A1 offers programmable threshold accuracy (±1% typical) and supports up to four individually configurable channels. This allows designers to set distinct trip points for different rails, enabling complex power-up and power-down sequences. For instance, in an FPGA-based system, one channel can monitor the core voltage with tight tolerance while another tracks the I/O rail, reducing risk of logic corruption during transitions—something not reliably achievable with off-the-shelf single-channel supervisors.

Can the LTC2908CDDB-A1 be used to replace multiple discrete components in a power management subsystem, and how does this affect PCB layout complexity?: Yes, the LTC2908CDDB-A1 consolidates four independent monitoring channels into a single DFN-8 package, eliminating the need for multiple comparators, resistors, and feedback networks. This integration reduces component count by up to 75% in typical designs, which simplifies BOM management and improves reliability through fewer solder joints. However, careful attention must be paid to grounding and decoupling near the IC due to its compact footprint; placing 1µF ceramic capacitors close to the VCC and GND pins minimizes noise coupling and ensures stable operation under transient loads.

What impact does temperature variation have on the threshold accuracy of the LTC2908CDDB-A1, and how should calibration be handled in precision applications?: The LTC2908CDDB-A1 maintains threshold accuracy within ±1% over the commercial temperature range (-40°C to +85°C), but users should account for long-term drift and thermal gradients in high-reliability environments. In applications like automotive or medical devices where absolute accuracy matters, periodic self-calibration routines using known reference voltages—or external trimming via digital potentiometers controlled by a microcontroller—can compensate for residual deviations beyond datasheet specifications.

How does the propagation delay of the LTC2908CDDB-A1 influence fault response time in safety-critical systems?: The device features a fast comparator response time of approximately 2µs from input crossing the threshold to output assertion. While this is sufficient for most non-time-critical supervisory tasks, safety-certified systems (e.g., those requiring SIL compliance) may need additional hardware or software buffering to meet stricter timing requirements. Designers should simulate worst-case scenarios including power ramp rates and load transients to verify that total fault detection latency remains below application-specific limits.

Is it feasible to cascade multiple LTC2908CDDB-A1 units to monitor more than four voltage rails in a high-density design?: Cascading multiple LTC2908CDDB-A1 devices is technically possible but introduces challenges related to shared ground impedance and cumulative timing skew. Each unit requires independent reference inputs and outputs; therefore, parallel use increases trace density and raises susceptibility to crosstalk unless proper isolation techniques—such as star grounding and guard traces—are implemented. Given these constraints, alternative solutions like integrating a dedicated multi-channel PMBus supervisor might offer better scalability for systems exceeding eight monitored rails.

What precautions should be taken when using the open-drain outputs of the LTC2908CDDB-A1 to drive high-capacitance loads?: Driving large capacitive loads directly from the open-drain outputs can cause excessive rise times and transient ringing due to limited sink capability (~20mA typical). To maintain reliable logic levels and avoid false triggering during power-up, series termination resistors (e.g., 100Ω–1kΩ) combined with pull-up resistors matched to system voltage improve signal integrity. Additionally, limiting load capacitance to <100pF per output minimizes RC delay effects and ensures compatibility with downstream CMOS logic operating at speeds above 1MHz.

How does the LTC2908CDDB-A1 compare to newer-generation monitoring ICs like the LTC2909 in terms of configurability and feature set?: While both devices share similar core functionality, the LTC2909 extends the family with added features such as windowed monitoring and built-in EEPROM for storing threshold values—advantages absent in the LTC2908CDDB-A1. The latter relies solely on external resistor dividers, offering simplicity and lower cost but sacrificing reprogrammability without hardware modification. Engineers selecting between them must weigh development flexibility against bill-of-materials savings in production volumes exceeding 10k units annually.

Can the LTC2908CDDB-A1 operate reliably in environments with high electromagnetic interference (EMI)?: The device incorporates internal filtering and robust ESD protection (±8kV HBM) to withstand moderate EMI conditions common in industrial settings. However, in harsh RF environments (e.g., near wireless transmitters), external shielding, ferrite beads on supply lines, and careful PCB layout with short return paths remain essential. Users are advised to conduct pre-compliance testing per IEC 61000-4 standards if deploying in certified end products subject to strict immunity criteria.

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Customer Reviews

Evaluation: 10 Articles

Embe***dMotion

Aug 5, 2026

Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.
FPGA***dio

Jul 30, 2026

This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.
Nord***mbedded

Jul 20, 2026

Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.
Arch***ct

Jul 15, 2026

Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.
FPGA***lorer88

Jul 7, 2026

The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.
Nath***oleman

Jun 29, 2026

Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.
Emil***rperTech

Jun 23, 2026

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.
Liam***terTech

Jun 15, 2026

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.
Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

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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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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

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
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
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	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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Packaging
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification

ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
GB/T 27922-2011

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LTC2908CDDB-A1

LT
32D-LTC2908CDDB-A1

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Please refer to the English Version as our Official Version.Return

LTC2908CDDB-A1 - LT

Specifications

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.

This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.

Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.