Maxim DS56S

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Overview

The DS56 Dual Temperature Comparator has two independent open-drain thermostat outputs and respective trip point inputs. The trip points are set with external resistors that divide down the 1.25V internal bandgap voltage reference. The voltage resulting from this resistive division is compared with the voltage corresponding to the device’s junction temperature to define the thermostat output logic state. The internal temperature sensor has a typical sensitivity of +6.2mV/°C and DC offset of +395 mV at 0°C. Both thermostat outputs have 5°C of hysteresis.

▪ Factory calibrated for sensitivity of +6.20 mV/°C and thermometer accuracy of ±2.0°C over the 0°C to 85°C range and ±3°C over the 40°C to 0°C and +85°C to +125°C range ▪ Measurement range of -40°C to +125°C ▪ Integrated temperature sensor and voltage reference ▪ Two independent temperature setpoints with respective logic outputs with set hysteresis ▪ Narrow-body SO8 (150-mil) package ▪ Wide power supply range (2.7V £VDD £ 5.5V) ▪ Functionally compatible with LM56xIM ▪ Applications include monitoring disk drives, printers, office equipment, HVAC, appliances, or any power/cost/temperature sensitive environments.

Features

8 terminations
1 Functions
8 pin count

Tube Package

Applications

There are a lot of Rochester Electronics, LLC
DS56S applications of comparators.

• Communications digltal frequency synthesizers: VHF, UHF, FM, AM, etc.
• Fixed or programmable irequency division
• “Time out" timer for consume-appication industrial controls
• Companion Appliceation Nole, ICAN-6374, "Application of the CMOS CD4059A Programmable Divide-by-N Counter in FM and Ctizens Band Transceiver Digital Tuners"
• Servo motor controls
• Process contollenr
• Servo Motor Controls