ALD2331BSAL Advanced Linear Devices Inc, ALD2331BSAL Datasheet

ALD2331BSAL

Manufacturer Part Number

ALD2331BSAL

Description

IC COMP VOLT CMOS OD DUAL 8SOIC

Manufacturer

Advanced Linear Devices Inc

Series

EPAD®r

Type

General Purposer

Datasheet

1.ALD2331PAL.pdf (8 pages)

Specifications of ALD2331BSAL

Number Of Elements

Output Type

CMOS, NMOS, Open-Drain, TTL

Voltage - Supply

3 V ~ 10 V, ±1.5 V ~ 5 V

Mounting Type

Surface Mount

Package / Case

8-SOIC (0.154", 3.90mm Width)

Product

Analog Comparators

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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FEATURES

• Fanout of 30LS TTL loads

• Guaranteed to drive 200Ω loads

• Low supply current of 55µA typical

• Pinout of LM193 industry standard voltage comparators

• Extremely low input bias currents -- typically 10pA

• Virtually eliminates source impedance effects

• Low operating supply voltage of 3V to 10V

• Single (+5V) and dual supply (±5V) operation

• High speed for both large and small level signals

• CMOS, NMOS and TTL compatible

• Wired-OR open drain outputs

• High output sink current -- typically 50mA

• Low supply current spike

* Contact factory for leaded (non-RoHS) or high temperature versions.

GENERAL DESCRIPTION

The ALD2331A/ALD2331B/ALD2331 is a monolithic high performance

dual precision voltage comparator built with advanced silicon gate EPAD

CMOS technology intended for high precision analog applications. The

ALD2331A/ALD2331B/ALD2331 offers ultra-low input offset voltages

and currents at its input pre-amplifier, precision voltage comparator and

high-current output driver integrated on-chip, in one industry standard

pinout 8 Lead PDIP or SOIC package. Primary features include: very high

typical input impedance of 10

response time of 750ns with only 10mV input step signal; very low power

dissipation of 55µA per comparator; and single (+5V) or dual (±5V) power

supply operation; and 50mA open drain output drivers.

The input voltage range includes ground, making this comparator ideal for

low level signal detection with high source impedance. The outputs are

open-drain configurations, allowing maximum application flexibility, such as

wired-OR connection and various different output loads. An external pull-

up resistor is required for each output, although the value of the pull-up

resistor can vary over a wide range in order to suit the application needs.

The outputs can be connected to a higher external voltage than V

The ALD2331A/ALD2331B/ALD2331 is ideal for a great variety of precison

analog voltage comparator applications, especially low level signal detec-

tion circuits requiring low standby power, yet retaining high output current

capability as needed.

ORDERING INFORMATION

-- 300ns typical for TTL inputs

0°C to +70°C

8-Pin Small

Outline Package (SOIC)

ALD2331ASAL

ALD2331BSAL

ALD2331SAL

Operating Temperature Range *

INEAR

DVANCED

EVICES,

NC.

DUAL PRECISION CMOS VOLTAGE COMPARATOR

(“L” suffix for lead free version)

Ω; low input bias current of 10pA; fast

WITH OPEN DRAIN OUTPUT DRIVER

Dip Package

0°C to +70°C

8-PinPlastic

ALD2331APAL

ALD2331BPAL

ALD2331PAL

www.aldinc.com

APPLICATIONS

• Simple precision reference voltage setting

• High source impedance voltage

• MOSFET driver

• Dual limit window comparator

• Power supply voltage monitor

• Photo-detector sensor circuit

• Relay or LED driver

• Oscillators

• Battery operated instruments

• Remote signal detection

BENEFITS

• Simple precision reference voltage setting

• On-chip input pre-amplifier and output

• Precision voltage comparison without

• Eliminates need for second power supply

• Wide range of pull-up resistor values

PIN CONFIGURATION

BLOCK DIAGRAM

OUT

comparison circuits

buffers

pre-amplifier

NONINVERTING INPUT

+IN

GND

-IN

INVERTING INPUT

ALD2331A/ALD2331B/ALD2331

+IN

-IN

SAL, PAL PACKAGES

(2)

(3)

(6)

(5)

(8) V

(4) GND

(1) OUT

(7) OUT

+IN

OUT

-IN

Related parts for ALD2331BSAL

ALD2331BSAL Summary of contents

Page 1

... Small Outline Package (SOIC) ALD2331ASAL ALD2331BSAL ALD2331SAL * Contact factory for leaded (non-RoHS) or high temperature versions. Rev 2.0 ©2010 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, CA 94089-1706 Tel: (408) 747-1155 Fax: (408) 747-1286 WITH OPEN DRAIN OUTPUT DRIVER ® ...

Page 2

ABSOLUTE MAXIMUM RATINGS Supply voltage Differential input voltage range Power dissipation Operating temperature range SAL, PAL packages Storage temperature range Lead temperature, 10 seconds OPERATING ELECTRICAL CHARACTERISTICS +5V unless otherwise specified ° ...

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ALD2331BSAL Advanced Linear Devices Inc, ALD2331BSAL Datasheet

ALD2331BSAL

Specifications of ALD2331BSAL

Related parts for ALD2331BSAL

ALD2331BSAL Summary of contents

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