ald2711sa Advanced Linear Devices Inc (ALD), ald2711sa Datasheet

ald2711sa

Manufacturer Part Number

ald2711sa

Description

Dual Micropower Precision Rail-to-rail Cmos Operational Amplifier

Manufacturer

Advanced Linear Devices Inc (ALD)

Datasheet

1.ALD2711SA.pdf (6 pages)

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ORDERING INFORMATION

* Contact factory for industrial temperature range.

GENERAL DESCRIPTION

The ALD2711 is a dual monolithic CMOS micropower precision high

slew rate operational amplifier intended for a broad range of analog

applications using 1V to 6V dual power supply systems, as well as

+2V to +12V battery operated systems. All device characteristics are

specified for +5V single supply or 2.5V dual supply systems. Typical

supply current is 200 A at 5V supply voltage. It is manufactured with

Advanced Linear Devices' enhanced ACMOS silicon gate CMOS

process.

The device has an input stage that operates to +300mV above and

-300mV below the supply voltages with no adverse effects and/or

phase reversals.

The ALD2711 has been developed specifically for the +5V single

supply or 1V to 6V dual supply user. Several important characteristics

of the device make application easier to implement at those voltages.

First, each operational amplifier can operate with rail to rail input and

output voltages. This means the signal input voltage and output

voltage can be at the positive and negative supply voltages. This

feature allows numerous analog serial stages and flexibility in input

signal bias levels. Secondly, each device was designed to accommodate

mixed applications where digital and analog circuits may operate off

the same power supply or battery. Thirdly, the output stage can

typically drive up to 50pF capacitive and 10K

These features, combined with extremely low input currents, high open

loop voltage gain, high useful bandwidth, and slew rate make the

ALD2711 a versatile, micropower operational amplifier.

The ALD2711 with on-chip offset voltage trimming allows the device to

be used without nulling in most applications. The unique characteristics

of the ALD2711 are modeled in an available macromodel.

-55 C to +125 C

8-Pin

CERDIP

Package

ALD 2711A DA

ALD 2711B DA

ALD 2711 DA

DUAL MICROPOWER PRECISION RAIL-TO-RAIL CMOS OPERATIONAL AMPLIFIER

INEAR

DVANCED

EVICES,

Operating Temperature Range

NC.

0 C to +70 C

8-Pin

Small Outline

Package (SOIC)

ALD 2711A SA

ALD 2711B SA

ALD 2711 SA

0 C to +70 C

8-Pin

Plastic Dip

ALD 2711A PA

ALD 2711B PA

ALD 2711 PA

Package

resistive loads.

PIN CONFIGURATION

FEATURES

• Designed and characterized for 5V operation

• Linear mode operation with input voltages

• Output voltages to within 2mV of power supply

• Unity gain stable

• Extremely low input bias currents -- 0.01pA

• Dual power supply 1.0V to 6.0V

• Single power supply +2V to +12V

• High voltage gain

• Output short circuit protected

• Unity gain bandwidth of 0.7MHz

• Slew rate of 0.7V/ s

• Low power dissipation

• Symmetrical complementary output drive

APPLICATIONS

• Voltage follower/buffer/amplifier

• Charge integrator

• Photodiode amplifier

• Data acquisition systems

• High performance portable

• Signal conditioning circuits

• Sensor and transducer amplifiers

• Low leakage amplifiers

• Active filters

• Sample/Hold amplifier

• Picoammeter

• Current to voltage converter

300mV beyond supply rails

rails when driving a high impedance load

instruments

OUT

+IN

-IN

V -

DA, PA, SA PACKAGE

ALD2711A/ALD2711B

TOP VIEW

ALD2711

V +

OUT

-IN

+IN

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ald2711sa Summary of contents

Page 1

A DVANCED L INEAR D I EVICES, NC. DUAL MICROPOWER PRECISION RAIL-TO-RAIL CMOS OPERATIONAL AMPLIFIER GENERAL DESCRIPTION The ALD2711 is a dual monolithic CMOS micropower precision high slew rate operational amplifier intended for a broad range of analog applications using ...

Page 2

ABSOLUTE MAXIMUM RATINGS Supply voltage Differential input voltage range Power dissipation Operating temperature range Storage temperature range Lead temperature, 10 seconds OPERATING ELECTRICAL CHARACTERISTICS 2.5V unless otherwise specified A S Parameter Symbol ...

Page 3

OPERATING ELECTRICAL CHARACTERISTICS (cont' 2.5V unless otherwise specified A S Parameter Symbol Min Input Capacitance C IN Bandwidth B W Slew Rate S R Rise time t r Overshoot Factor Settling t s Time ...

Page 4

Design & Operating Notes: 1. The ALD2711 CMOS operational amplifier uses a 3 gain stage architecture and an improved frequency compensation scheme to achieve large voltage gain, high output driving capability, and better frequency stability conventional CMOS operational ...

Page 5

TYPICAL PERFORMANCE CHARACTERISTICS OPEN LOOP VOLTAGE GAIN AS A FUNCTION OF SUPPLY VOLTAGE AND TEMPERATURE 1000 100 10 - 100K SUPPLY VOLTAGE (V) INPUT OFFSET VOLTAGE AS A FUNCTION OF AMBIENT TEMPERATURE ...

Page 6

RAIL-TO-RAIL VOLTAGE FOLLOWER/BUFFER See Rail-to-Rail Waveform IN HIGH INPUT IMPEDANCE RAIL-TO-RAIL PRECISION DC SUMMING AMPLIFIER V+ = +2.5V 10M 10M ...

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