© 2002 Microchip Technology Inc.

DS21496B-page 1

TC1046

Features

• Supply Voltage Range: 2.7V to 4.4V

• Wide Temperature Measurement Range:

• High Temperature Converter Accuracy:

• Very Low Supply Current: 35

µATypical

• Small 3-Pin SOT-23B Package

Applications

• Cellular Phones

• Power Supply Thermal Shutdown

• Temperature Controlled Fans

• Temperature Measurement/Instrumentation

• Temperature Regulators

• Consumer Electronics

• Portable Battery Powered Equipment

Device Selection Table

Package Type

General Description

The TC1046 is a linear output temperature sensor

whose output voltage is directly proportional to

measured temperature. The TC1046 can accurately

measure temperature from -40°C to +125°C.

The output voltage range for these devices is typically

174mV at -40°C, 424mV at 0°C, 580 mV at +25°C, and

1205mV at +125°C. A 6.25mV/°C voltage slope allows

for the wide temperature range.

The TC1046 is packaged in a 3-Pin SOT-23B package,

making them ideal for space critical applications.

Functional Block Diagram

Part Number

Package

Temp. Range

TC1046VNB

3-Pin SOT-23B

-40°C to +125°C

Note: *3-Pin SOT-23B is equivalent to JEDEC TO-236

3-Pin SOT-23B*

TC1046

1

2

3

TC1046

1

2

3

PICmicro®

A/D

Converter

Microcontroller

High Precision Temperature-to-Voltage Converter