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Name: DS1620+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1620+
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc./Maxim Integrated DS1620+

Part No.:: DS1620+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 8-DIP (0.300, 7.62mm)

Datasheet:: DS1620+.pdf

Description:: SENSOR DIGITAL -55C-125C 8DIP

In Stock:: 2275

Quantity:: Add To Cart

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DS1620+ Specifications

Packaging:
Tube
Series:
-
ProductStatus:
Active
SensorType:
Digital, Local
SensingTemperature-Local:
-55°C ~ 125°C
SensingTemperature-Remote:
-
OutputType:
3-Wire (CLK, DQ, RST)
Voltage-Supply:
2.7V ~ 5.5V
Resolution:
9 b
Features:
One-Shot, Output Switch
Accuracy-Highest(Lowest):
±0.5°C (±2°C)
TestCondition:
0°C ~ 70°C (-55°C ~ 125°C)
OperatingTemperature:
-55°C ~ 125°C
MountingType:
Through Hole

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DS1620+ information

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DS1620+ Typical application Circuitry

DS1620+

The DS1620+ is a versatile digital thermometer and thermostat integrated circuit, adept at providing precise temperature measurements and control within a broad range of applications. Engineered by Maxim Integrated, this device stands out for its direct digital output, eliminating the need for analog-to-digital converters in temperature sensing applications. Its functionality encompasses not just the monitoring of ambient temperature but also the provision of thermostat-controlled outputs based on user-defined thresholds, making it particularly useful in systems requiring automated temperature management.

Core Features and Specifications:

- Temperature Sensing Range: Capable of measuring temperatures from -55°C to +125°C, offering fine granularity with a precision of ±0.5°C within the 0°C to 70°C range.

- Direct Digital Interface: Furnishes temperature data in a digital format, streamlining integration with microcontrollers and digital systems.

- Configurable Thermostat Outputs: Equipped with programmable over-temperature and under-temperature thresholds, facilitating automated temperature control.

- Serial Communication: Utilizes a simple 3-wire interface for communication, compatible with most microcontroller platforms.

- Supply Voltage and Power Efficiency: Operates on a +5V power supply, optimized for low power consumption to suit battery-operated devices.

Illustrative Application – Automated Greenhouse Climate Control:

In a smart greenhouse, maintaining optimal climatic conditions is crucial for plant growth. The DS1620+ can serve as the cornerstone for a temperature regulation system, controlling heating and cooling to ensure the greenhouse environment remains within ideal parameters for various plant species.

Detailed Circuit Design:

1. Power Supply Integration:

- VDD Connection (Pin 8): This pin powers the DS1620+ and should be connected to a stable +5V source. To mitigate voltage spikes, a 0.1µF decoupling capacitor is recommended near the VDD pin.

2. System Grounding:

- GND Establishment (Pin 4): Critical for creating a common electrical reference for the DS1620+ and the connected microcontroller, ensuring reliable operation.

3. Serial Data Communication Setup:

- Data Line (DQ, Pin 7): Serves as the bidirectional data link to the microcontroller, facilitating both commands to and temperature readings from the DS1620+.

- Clock Line (CLK, Pin 6): Governed by the microcontroller, this pin synchronizes data transmission, ensuring accurate data exchange.

- Reset Line (RST, Pin 5): Activated by the microcontroller to initiate communication with the DS1620+, this pin requires a brief high pulse to start data transfer processes.

4. Thermostat Function Activation:

- Thermostat Output (TOUT, Pin 3): Configured through serial commands, this pin can directly interface with relay circuits or other control mechanisms to activate heating or cooling systems based on the predefined temperature thresholds.

Circuit Design Considerations:

- Placement and Environmental Considerations: The DS1620+ should be positioned in a location that accurately represents the greenhouse's ambient temperature, away from direct sunlight or moisture sources that could skew temperature readings.

- Reliable Power Supply: The importance of a stable +5V supply cannot be overstated, as fluctuations might lead to erroneous temperature readings or erratic thermostat behavior.

- Communication Integrity: Ensuring short, direct paths for the serial communication lines will reduce susceptibility to EMI and signal degradation, crucial in environments with various electrical devices.

- Software and Firmware Strategy: Implementing robust code on the microcontroller for reading temperature data, processing the information, and controlling the TOUT-based actions is vital. This includes setting appropriate thresholds for activating heating or cooling systems to maintain the desired greenhouse climate.

- Thermostat Control Logic: Developing logic that not only responds to current temperature conditions but also anticipates future changes based on trends can optimize energy usage and promote a stable environment conducive to plant growth.

Employing the DS1620+ in a greenhouse climate control system exemplifies its utility in automating temperature regulation, showcasing its potential to enhance agricultural productivity through precise environmental management. This scenario underscores the chip's adaptability to various applications requiring diligent temperature monitoring and control.

DS1620+ FAQ

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6. What is the process for return or replacement of DS1620+?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DS1620+ we delivered, we will accept the replacement or return of the DS1620+ only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS1620+.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations