TC1040 datasheet(1/14 Pages) MICROCHIP

No. de pieza	TC1040

Descripción Electrónicos	Linear Building Block . Dual Low Power Comparator and Voltage Reference with Shutdown

PDF	14 Pages

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Fabricante Electrónico	MICROCHIP [Microchip Technology]

Página de inicio	http://www.microchip.com

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DS21345B-page 1

Features

• Combines Two Comparators and a Voltage

Reference in a Single Package

• Optimized for Single Supply Operation

• Small Package: 8-Pin MSOP

• Ultra Low Input Bias Current: Less than 100pA

• Low Quiescent Current, Operating: 10

µA(Typ.)

Shutdown Mode: 6

µA(Typ.)

• Rail-to-Rail Inputs and Outputs

•Operates Down to VDD =1.8V

• Reference and One Comparator Remain Active in

Shutdown to Provide Supervisory Functions

Applications

• Power Supply Circuits

• Battery Operated Equipment

• Consumer Products

• Replacements for Discrete Components

Device Selection Table

Package Type

General Description

The TC1040 is a mixed-function device combining two

comparators and a voltage reference in a single 8-pin

package. The inverting input of Comparator A and the

non-inverting input of Comparator B are internally

connected to the reference.

This increased integration allows the user to replace

two packages, which saves space, lowers supply

current and increases system performance. The

TC1040 operates from two 1.5V alkaline cells down to

VDD = 1.8V. It requires only 10µA typical of supply

current, which significantly extends battery life. A low

power shutdown input (SHDN) disables one of the

comparators, placing its outputs in a high-impedance

state. This mode saves battery power and allows

comparator outputs to share common analog lines

(multiplexing). Shutdown current is 6

µA(typical).

Rail-to-rail inputs and outputs allow operation from low

supply voltages with large input and output signal

swings.

Packaged in an 8-Pin MSOP, the TC1040 is ideal for

applications requiring low power level detection.

Functional Block Diagram

Part Number

Package

Temperature

Range

TC1040CEUA

8-Pin MSOP

-40°C to +85°C

INB-

REF

1

2

3

4

8

7

6

5

TC1040CEUA

8-Pin MSOP

OUTB

VDD

INA+

VSS

OUTA

SHDN

–

TC1040

OUTB

VDD

REF

SHDN

INB-

INA+

VSS

OUTA

B

A

Voltage

Reference

VSS

1

2

3

4

5

6

7

8

TC1040

Linear Building Block – Dual Low Power Comparator and

Voltage Reference with Shutdown

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