MAX6662 Maxim Integrated Products, MAX6662 Datasheet

MAX6662

Manufacturer Part Number

MAX6662

Description

12-Bit + Sign Temperature Sensor

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX6662.pdf (9 pages)

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The MAX6662 is a 12-bit + sign temperature sensor

combined with a programmable overtemperature alarm

and a 3-wire (SPI™-compatible) serial interface in a sin-

gle package. It converts its die temperature into digital

values using an internal analog-to-digital converter

(ADC). The temperature data is stored in a temperature

tion. The temperature data is readable at any time

through the serial interface. The operating temperature

range is -55°C to +150°C.

The MAX6662 provides two programmable watchdog

interrupt outputs. ALERT is used for lower temperature

warning functions, while OT is used for higher tempera-

ture-critical functions, such as power-supply shutdown.

The MAX6662 features a shutdown mode that saves

power by disabling everything except the serial inter-

face. The temperature sensor is available in an 8-pin SO

package.

19-2121; Rev 0; 7/01

SPI is a trademark of Motorola, Inc.

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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Test Equipment

Typical Operating Circuit

________________________________________________________________ Maxim Integrated Products

12-Bit + Sign Temperature Sensor with

General Description

0.1µF

ALERT

SCLK

= +3V TO +5.5V

SIO

10kΩ

Applications

SPI-Compatible Serial Interface

10kΩ

♦ 12-Bit + Sign, 0.0625°C Resolution

♦ Accuracy

♦ Extended Temperature Measurement Range

♦ Low Average Supply Current, 125µA (typ)

♦ Shutdown Mode to Minimize Power Consumption

♦ Two Programmable Temperature Fault Outputs

♦ Switchable Fault Queue to Eliminate False

in Portable Applications

Tripping in Noisy Environments

MAX6662MSA

±1°C max (+30°C to +50°C)

±1.6°C max (0°C to +70°C)

±2.5°C max (-20°C to +85°C)

±2.5 typ (+150°C)

-55°C to +150°C

TOP VIEW

PART

SCLK

GND

SIO

-55°C to +150°C

Ordering Information

TEMP. RANGE

Pin Configuration

ALERT

PIN-PACKAGE

8 SO

Features

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