Part Details for DS1822 by Dallas Semiconductor
Overview of DS1822 by Dallas Semiconductor
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Part Details for DS1822
DS1822 CAD Models
DS1822 Part Data Attributes
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DS1822
Dallas Semiconductor
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Datasheet
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DS1822
Dallas Semiconductor
Serial Switch/Digital Sensor, 12 Bit(s), 2Cel, Round, 3 Pin, Surface Mount, TO-92, 3 PIN
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| Rohs Code | No | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | DALLAS SEMICONDUCTOR | |
| Package Description | TO-92, 3 PIN | |
| Reach Compliance Code | unknown | |
| Accuracy-Max (Cel) | 2 Cel | |
| Housing | PLASTIC | |
| JESD-609 Code | e0 | |
| Mounting Feature | SURFACE MOUNT | |
| Number of Bits | 12 | |
| Number of Terminals | 3 | |
| Operating Current-Max | 1 mA | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Output Interface Type | 1-WIRE INTERFACE | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Equivalence Code | SIP3,.1,50 | |
| Package Shape/Style | ROUND | |
| Sensors/Transducers Type | TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL | |
| Supply Voltage-Max | 5.5 V | |
| Supply Voltage-Min | 3 V | |
| Surface Mount | YES | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Termination Type | SOLDER |
Resources and Additional Insights for DS1822
Reference Designs related to DS1822
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Reference Design of a 1-Wire® Bidirectional Voltage-Level Translator for 1.8V to 5V
Designers need open-drain logic to run at 1.8V at the 1-Wire master IO. Most 1-Wire slave devices cannot run at 1.8V. This application note presents an RD (reference design) of a circuit that translates from a 1.8V 1-Wire master to a 5V 1-Wire slave device. The RD is used for driving typical 1-Wire slave devices. The MAX3394E voltage-level translator is featured in the design.
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Advanced 1-Wire Network Driver
This document describes a microcontroller-based 1-Wire® master interface for reliable operation of small, medium, and large 1-Wire networks. This is accomplished using careful impedance matching, intelligent (software-controlled) active pullup, and slew-rate control. Software flow charts are included to assist the user in generating the correct 1-Wire timing for reset pulse, presence detect, write one, write zero, and read time slots using any suitable microcontroller. Scope traces illustrate the timing performance of the driver as well as transmission line effects as they appear with long cables.