DS7505
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DS7505

High-Precision Digital Thermometer and Thermostat

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Improved LM75/DS75 Software-Compatible Temperature Sensor Is ±0.5°C Accurate and Has Nonvolatile Thermostat Thresholds

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Info: : PRODUCTION tooltip
Part Details
Part Models 4
1ku List Price Starting From $2.14
Features
  • Extends Performance Range with a Low-Voltage, 1.7V to 3.7V Operating Range
  • Maximizes System Accuracy in Broad Range of Thermal Management Applications
    • Measures Temperature from -55°C to +125°C (-67°F to +257°F)
    • ±0.5°C Accuracy Over a 0°C to +70°C Range
    • User-Configurable Resolution from 9 Bits (Default) to 12 Bits (0.5°C to 0.0625°C Resolution)
  • Reduces Cost with No External Components and Stand Alone Thermostat Capability
  • Increases Reliability and System Robustness
    • Internally Filtered Data Lines for Noise Immunity (50ns Deglitch)
    • Bus Timeout Feature Prevents Lockup on a 2-Wire Interface
  • Simplifies Distributed Temperature-Sensing Applications with Multidrop Capability
    • Up to Eight Devices Can Operate on a 2-Wire Bus
  • Fast 25ms (max) 9-Bit Conversion Time
  • Flexible and Nonvolatile (NV) User-Defined Thermostatic Modes
Additional Details
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The DS7505 low-voltage (1.7V to 3.7V) digital thermometer and thermostat provides 9-, 10-, 11-, or 12-bit digital temperature readings over a -55°C to +125°C range with ±0.5°C accuracy over a -0°C to +70°C range. A 9-bit resolution mode is software compatible with the LM75.

The DS7505 thermostat has a dedicated open-drain output (O.S.) and programmable fault tolerance, which allows the user to define the number of consecutive error conditions that must occur before O.S. is activated. There are two thermostatic operating modes that control thermostat operation based on user-defined trip points (TOS and THYST) that are stored in EEPROM registers.

Applications

  • Any Thermally Sensitive System
  • Cellular Base Stations
  • Medical Equipment
  • Networking Equipment
  • Office Equipment
Part Models 4
1ku List Price Starting From $2.14

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Documentation

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Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

PCN

Oct 30, 2020

- 1702R2

ASSEMBLY

DS7505S+

PRODUCTION

DS7505S+T&R

PRODUCTION

Aug 11, 2015

- 1561

ELECTRICAL DATASHEET

DS7505S+

PRODUCTION

DS7505S+T&R

PRODUCTION

DS7505U+

PRODUCTION

DS7505U+T&R

PRODUCTION

Nov 10, 2021

- 2214

ASSEMBLY

DS7505U+

PRODUCTION

DS7505U+T&R

PRODUCTION

Filter by Model

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Part Models

Product Lifecycle

PCN

Oct 30, 2020

- 1702R2

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ASSEMBLY

DS7505S+

PRODUCTION

DS7505S+T&R

PRODUCTION

Aug 11, 2015

- 1561

arrow down

ELECTRICAL DATASHEET

DS7505S+

PRODUCTION

DS7505S+T&R

PRODUCTION

DS7505U+

PRODUCTION

DS7505U+T&R

PRODUCTION

Nov 10, 2021

- 2214

arrow down

ASSEMBLY

DS7505U+

PRODUCTION

DS7505U+T&R

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

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Tools & Simulations

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Reference Designs

Reference Designs 1

MAXREFDES9001: Secured IoT LoRa Sensor Nodes using the DS28S60 and Google Cloud

Secured IoT LoRa Sensor Nodes using the DS28S60 and Google Cloud

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MAXREFDES9001

Secured IoT LoRa Sensor Nodes using the DS28S60 and Google Cloud

Secured IoT LoRa Sensor Nodes using the DS28S60 and Google Cloud

Features and Benefits

  • Maxim’s DS28S60 ChipDNA technology protects private and secret keys against invasive attacks.
  • Maxim’s DS28S60 provides end-to-end security using hardware-based ECDSA authentication, ECDH key exchange and AES-GCM authenticated encryption.
  • Complete low-power sensor node board design
  • Sample LoRaWAN gateway implementation based on Raspberry Pi
  • Sample Google Cloud application showcasing end-to-end security with the sensor board’s DS28S60 including ECDH key exchange, and AES-GCM secure communication Source code
  • Peripheral Module - compatible sensor expansion port
  • Raspberry Pi enables portable LoRaWAN Gateway deployment
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