Rainbow-electronics DS56 Manual do Utilizador descarregar pdf

1 of 6 102299

FEATURES

§ 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 ≤ V

≤

5.5V)

§ Functionally compatible with LM56xIM

§ Applications include monitoring disk drives,

printers, office equipment, HVAC,

appliances, or any power/cost/temperature-

sensitive environments.

PIN ASSIGNMENT

PIN DESCRIPTION

REF

- Bandgap Voltage Reference

Output

- Temperature Trip Point 2

- Temperature Trip Point 1

GND - Ground

TEMP

- Temp Sensor Output Voltage

OUT2

- Thermostat output for Trip

Point 2

OUT1

- Thermostat output for Trip

Point 1

- Power Supply Voltage (2.7V

to 5.5V)

DESCRIPTION

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.

For applications that require temperature measurement as well as control, the temperature sensor voltage

is brought out to a pin.

The DS56 is packaged in a compact 150-mil, 8-pin SOIC. Applications include disk drives, printers,

office equipment, HVAC, appliances, or any power/cost/temperature-sensitive environments.

DS56

Dual Temperature Comparator

PRELIMINARY

www.dalsemi.com

OUT1

OUT2

TEMP

REF

GND

DS56S 8-Pin SOIC (150-mil)

1 2 3 4 5 6

Resumo do Conteúdo

Página 1 - Dual Temperature Comparator

1 of 6 102299FEATURES§ Factory calibrated for sensitivity of +6.20mV/°C and thermometer accuracy of ±2.0°Cover the 0°C to 85°C range and ±3°C over t

Página 2

DS562 of 6 102299DETAILED PIN DESCRIPTION Table 1PIN SYMBOL TYPE DESCRIPTION1 VREFAnalog output Bandgap output 1.25V (nom) voltage reference output.2

Página 3 - OVERVIEW

DS563 of 6 102299OVERVIEWA block diagram of the DS56 is shown in Figure 1. The DS56 consists of three major components:1. Precision bandgap voltage r

Página 4

DS564 of 6 102299ABSOLUTE MAXIMUM RATINGS*Voltage on VDD(GND-0.3V) to +7.0VInput Current at any pin 5.0 mAPackage Input Current 20 mAOperating Tempera

Página 5

DS565 of 6 102299DC ELECTRICAL CHARACTERISTICS:Bandgap Voltage Reference VREF(-40°C to +125°C; 2.7V ≤ VDD ≤ 5.5V)PARAMETER SYMBOL CONDITION MIN TYP MA

Página 6 - DS56 PHYSICAL DIMENSIONS

DS566 of 6 102299DS56 PHYSICAL DIMENSIONS8-, 14-, AND 16-PIN SOIC (.150” BODY WIDTH)PKG 8-PIN 14-PIN 16-PINDIM MIN MAX MIN MAX MIN MAXA IN.MM0.0531.35

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Rainbow-electronics DS56 Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Sensores Rainbow-electronics DS56. Rainbow Electronics DS56 User Manual Manual do Utilizador

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Rainbow-electronics DS56 Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Sensores Rainbow-electronics DS56. Rainbow Electronics DS56 User Manual Manual do Utilizador

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