Digital Thermometer/Rtc, Smd, 1629; Sensor Output Type:-; Accuracy:-; Sensor Case/Package:Soic; No. Of Pins:8Pins; Supply Voltage Min:2.2V; Supply Voltage Max:5.5V; No. Of Channels:-; Resolution:-; Output Interface:- Rohs Compliant: Yes |Maxim Integrated/analog Devices DS1629S+

DS1629S+ – Digital Thermometer & Real-Time Clock IC – Analog Devices

The DS1629S+ from Analog Devices is a versatile SMD integrated circuit combining precision temperature sensing with real-time clock functionality in a compact 8-SOIC package. Ideal for embedded systems requiring environmental monitoring and timekeeping, this IC delivers reliable performance with low power consumption and an industry-standard I²C interface. PCX ensures genuine Analog Devices components with same-day shipping and dedicated technical support.

Key Features

• Dual Functionality: Integrated digital thermometer and real-time clock
• Wide Temperature Range: Measures -55°C to +125°C with ±2°C accuracy
• Low Voltage Operation: 2.7V to 5.5V supply range
• I²C/SMBus Interface: Simplified communication with microcontrollers
• Programmable Alarm Output: Configurable temperature thresholds
• Robust Design: Internal ADC, comparator, oscillator, and register bank

Technical Specifications

This thermal management IC features an internal sensor with digital output via I²C/SMBus. The 8-SOIC package (3.90mm width) supports surface mounting in space-constrained designs. Operating across the full industrial temperature range (-55°C to 125°C), it includes non-volatile storage for thermostat settings and clock calibration. The topology integrates signal conditioning components, eliminating external circuitry.

Typical Applications

• Industrial automation control systems
• Medical equipment temperature monitoring
• Server/network infrastructure thermal management
• Automotive climate control modules
• Portable instrumentation with time-stamped data logging

About Analog Devices

Analog Devices (ADI) is a global leader in high-performance analog and mixed-signal technologies, with heritage incorporating Maxim Integrated’s innovative solutions. For over 50 years, ADI has set industry standards for precision measurement ICs, delivering mission-critical components for aerospace, healthcare, and industrial sectors.

ADI’s rigorous quality control and continuous innovation ensure exceptional signal chain accuracy and reliability. Their thermal management portfolio, including the DS1629 series, reflects decades of expertise in environmental sensing technology trusted by Fortune 500 manufacturers worldwide.

About Digital Thermometer/RTC ICs

Combined digital thermometer and real-time clock ICs provide critical environmental monitoring and timekeeping functions in modern electronic systems. These integrated solutions reduce component count while improving measurement accuracy through on-chip signal processing and calibration.

Essential for applications requiring synchronized temperature logging or thermal protection, these ICs enable predictive maintenance and regulatory compliance. The integration of non-volatile memory ensures configuration persistence during power cycles, making them ideal for battery-backed systems and industrial controllers where data integrity is paramount.

Packaging Options

Available in protective Tube packaging for automated assembly processes. Contact PCX for reel packaging alternatives and volume pricing.

FAQs

Question: Does the DS1629S+ require external calibration?

Answer: No, it features factory-calibrated temperature sensing with no user calibration needed.

Question: Can this IC operate from a 3.3V microcontroller supply?

Answer: Yes, its 2.7V-5.5V operating range supports direct connection to 3.3V logic.

Question: Is the real-time clock battery-backed?

Answer: While the RTC maintains settings during normal operation, external battery backup is required for power-loss timekeeping.

Question: What resolution does the temperature sensor provide?

Answer: It delivers 0.5°C resolution with digital output via the I²C interface.

Question: Are evaluation boards available for this component?

Answer: Yes, Analog Devices offers development kits – contact PCX for compatibility details.

Question: Is this IC RoHS compliant?

Answer: Yes, the DS1629S+ meets all current RoHS environmental standards.

Note: Product image is representational. Refer to PCX-hosted datasheet for exact dimensions and specifications.

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