DS1921H_12 MAXIM [Maxim Integrated Products], DS1921H_12 Datasheet

DS1921H_12

Manufacturer Part Number

DS1921H_12

Description

Manufacturer

MAXIM [Maxim Integrated Products]

Datasheet

1.DS1921H_12.pdf (45 pages)

Current page: 1 of 45
Download datasheet (2Mb)

SPECIAL FEATURES

 Digital thermometer measures temperature in

 Built-in real-time clock (RTC) and timer has

 Water resistant or waterproof if placed inside

 Automatically wakes up and measures

 Logs consecutive temperature measurements

 Records a long-term temperature histogram

 Programmable temperature-high and

 Records up to 24 time stamps and durations

 512 bytes of general-purpose battery-backed

 Communicates to host with a single digital

 Fixed range: H: +15°C to +46°C;

COMMON iButton FEATURES

 Digital identification and information by

 Unique, factory-lasered and tested 64-bit

 Multidrop controller for 1-Wire net

 Chip-based data carrier compactly stores

 Data can be accessed while affixed to object

Thermochron, iButton, and 1-Wire are registered trademarks of Maxim Integrated Products, Inc.

1/8°C increments with ±1°C accuracy

accuracy of ±2 minutes per month from 0°C

to +45°C

DS9107 iButton capsule (Exceeds Water

Resistant 3 ATM requirements)

temperature at user-programmable intervals

from 1 to 255 minutes

in 2KB of datalog memory

with 1/2°C resolution

temperature-low alarm trip points

when temperature leaves the range specified

by the trip points

SRAM

signal at 15.4kbits or 125kbits per second

using 1-Wire

Z: -5°C to +26°C

momentary contact

registration number (8-bit family code + 48-

bit serial number + 8-bit CRC tester) assures

absolute traceability because no two parts are

alike

information

protocol

Range H: +15°C to +46°C, Z: -5°C to +26°C

High-Resolution Thermochron® iButton®

1 of 45

 Button shape is self-aligning with cup-shaped

 Durable stainless steel case engraved with

 Easily affixed with self-stick adhesive

 Presence detector acknowledges when reader

PIN CONFIGURATION

ORDERING INFORMATION

DS1921H-F5#

DS1921Z-F5#

#Denotes a RoHS-compliant device that may include lead(Pb) that is

exempt under the RoHS requirements.

EXAMPLES OF ACCESSORIES

DS9096P

DS9101

DS9093RA

DS9093A

DS9092

probes

registration number withstands harsh

environments

backing, latched by its flange, or locked with

a ring pressed onto its rim

first applies voltage

PART

All dimensions are shown in millimeters.

GND

5.89

DS1921H/DS1921Z

0.51

TEMP RANGE

+15°C to +46°C

-5°C to +26°C

Self-Stick Adhesive Pad

Multi-Purpose Clip

Mounting Lock Ring

Snap-In Fob

iButton Probe

3B2000FBC52B

Thermochron

1-Wire



PIN-PACKAGE

F5 iButton

16.25

17.35

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