DS1722U

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DS1722U

SENSOR DIGITAL -55C-120C 8UMAX

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Specifications

Supplier Rochester Electronics, LLC,Analog Devices Inc./Maxim Integrated
Package Tube,Tube
ProductStatus Obsolete
SensorType Digital, Local
SensingTemperature-Local -55°C ~ 120°C
OutputType SPI
Voltage-Supply 1.8V ~ 5.5V, 2.65V ~ 5.5V
Resolution 11 b
Features One-Shot, Programmable Resolution, Shutdown Mode
Accuracy-Highest(Lowest) ±2°C (±3°C)
TestCondition -40°C ~ 85°C (-55°C ~ 120°C)
OperatingTemperature -55°C ~ 125°C
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

Overview

Description

DS1722U is a Dallas/Maxim part number in the DS1722 family. It is a timing device intended to keep an accurate real-time clock (RTC) in embedded systems, often with battery-backup so timekeeping survives power outages. The exact feature set varies by revision, but typical capabilities include:
- Real-time clock/calendar and timekeeping registers
- Optional alarm/timer functions
- Small on-chip storage or registers for time/event data
- Low-power operation and a serial interface for microcontroller communication (interface type and voltage range depend on the specific variant)
Common use cases:
- System timekeeping, timestamping events, and scheduling
- Wake-up or alarm signaling for power management
- Time-based data logging
Notes:
- Interface (I2C, 1-Wire, etc.), voltage, and feature specifics vary by package/revision. For precise details, consult the exact datasheet for DS1722U.
If you can share the datasheet or specify the intended interface and application, I can tailor a concise, exact introduction.

Package

Do you mean the Maxim/Dallas DS1722U? Please confirm the exact part/manufacturer or allow me to look up the datasheet—then I’ll give the precise package type (e.g., SOIC, µSOP, PDIP) in one line.

Manufacturer

The DS1722U is made by Maxim Integrated (originally Dallas Semiconductor). Maxim Integrated is a semiconductor company that designs and manufactures analog and mixed‑signal integrated circuits and sensor devices (temperature sensors/RTCs, power management, interface ICs) for electronics and embedded systems.

Application

DS1722U is a Dallas/Maxim supervisory IC used for system power management. Typical applications: microcontroller reset and watchdog, voltage monitoring, brown-out protection, and power-on/power-off sequencing in embedded systems—automotive, industrial, telecom, consumer electronics, and battery-powered devices.

Equivalent

Do you mean the Maxim/Dallas DS1722U real-time clock/temperature sensor? Please confirm the manufacturer or provide the full part number or function (RTC, temperature sensor, EEPROM, etc.) so I can list accurate equivalents.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer

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