ALD2701 Advanced Linear Devices, ALD2701 Datasheet

ALD2701

Manufacturer Part Number

ALD2701

Description

DUAL MICROPOWER RAIL-TO-RAIL CMOS OPERATIONAL AMPLIFIER

Manufacturer

Advanced Linear Devices

Datasheet

1.ALD2701.pdf (6 pages)

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Bonase Electronics (HK) Co., Limited

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Bonase Electronics (HK) Co., Limited

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GENERAL DESCRIPTION

The ALD2701 is a dual monolithic CMOS micropower 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. Supply current is 500 A

maximum at 5V supply voltage. It is manufactured with Advanced Linear

Devices' enhanced ACMOS silicon gate CMOS process.

The ALD2701 is designed to offer a trade-off of performance parameters

providing a wide range of desired specifications. It offers the popular

industry standard pin configuration of A747 and ICL7621 types.

The ALD2701 has been developed specifically for the +5V single supply or

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 equal to 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 of 100V/mV, useful bandwidth of 700KHz, a slew rate of

0.7V/ s, low power dissipation of 0.5mW, low offset voltage and temperature

drift, make the ALD2701 a versatile, micropower dual operational amplifier.

The ALD2701, designed and fabricated with silicon gate CMOS technology,

offers 1pA typical input bias current. On chip offset voltage trimming allows

the device to be used without nulling in most applications.

Due to low voltage and low power operation, reliability and operating

characteristics, such as input bias currents and warm up time, are greatly

improved.

ORDERING INFORMATION

* Contact factory for industrial temperature range

1V to 6V dual supply user. Several important characteristics of the

-55 C to +125 C

8-Pin

CERDIP

Package

ALD 2701A DA

ALD 2701B DA

ALD 2701 DA

INEAR

DVANCED

DUAL MICROPOWER RAIL-TO-RAIL CMOS OPERATIONAL AMPLIFIER

EVICES,

Operating Temperature Range

NC.

resistive loads.

0 C to +70 C

8-Pin

Small Outline

Package (SOIC)

ALD 2701A SA

ALD 2701B SA

ALD 2701 SA

0 C to +70 C

8-Pin

Plastic Dip

Package

ALD 2701A PA

ALD 2701B PA

ALD 2701 PA

FEATURES

• All parameters specified for +5V single

• Rail to rail input and output voltage ranges

• Unity gain stable

• Extremely low input bias currents -- 1.0pA

• High source impedance applications

• 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 output drive

APPLICATIONS

• Voltage follower/buffer/amplifier

• Charge integrator

• Photodiode amplifier

• Data acquisition systems

• High performance portable instruments

• Signal conditioning circuits

• Sensor and transducer amplifiers

• Low leakage amplifiers

• Active filters

• Sample/Hold amplifier

• Picoammeter

• Current to voltage converter

PIN CONFIGURATION

OUT

+IN

supply or 2.5V dual supply systems

-IN

V -

DA, PA, SA PACKAGE

ALD2701A/ALD2701B

TOP VIEW

ALD2701

V +

OUT

+IN

-IN

Related parts for ALD2701

ALD2701 Summary of contents

Page 1

... It offers the popular industry standard pin configuration of A747 and ICL7621 types. The ALD2701 has been developed specifically for the +5V single supply dual supply user. Several important characteristics of the device make application easier to implement at those voltages. ...

Page 2

... Power Supply PSRR Rejection Ratio Common Mode CMRR Rejection Ratio Large Signal A Voltage Gain Output V Voltage V Range V V Output Short I SC Circuit Current Supply I S Current Power P Dissipation ALD2701A/ALD2701B ALD2701 PA,SA package DA package 2701A 2701B Min Typ Max Min Typ Max 1.0 6.0 1.0 6 2.0 12.0 2.0 12.0 2.0 5.0 OS 2.8 5.8 1 ...

Page 3

... Current Input Bias I B Current Power Supply PSRR Rejection Ratio Common Mode CMRR Rejection Ratio Large Signal A V Voltage Gain Output Voltage V O Range V O ALD2701A/ALD2701B ALD2701 2701A 2701B Min Typ Max Min Typ Max 1 1 400 700 400 700 0.7 0.7 0.2 0 10.0 10 ...

Page 4

... Since offset voltage trimming on the ALD2701 is made when the input voltage is symmetrical to the supply voltages, this internal switching does not affect a large variety of applications such as an inverting amplifier or non-inverting amplifier with a gain larger than 2 ...

Page 5

... AMBIENT TEMPERATURE ( C) INPUT OFFSET VOLTAGE AS A FUNCTION OF COMMON MODE INPUT VOLTAGE -10 - COMMON MODE INPUT VOLTAGE (V) LARGE - SIGNAL TRANSIENT RESPONSE 5V/div 2V/div ALD2701A/ALD2701B ALD2701 TYPICAL PERFORMANCE CHARACTERISTICS - +125 100K +50 +75 +100 +125 ...

Page 6

... 0 100K - 1M 100K + V- 0.1 F GAIN = +1. -1.0V Short Circuit Input Current 1 A 1/2 ALD2701 Advanced Linear Devices RAIL-TO-RAIL WAVEFORM +5V INPUT 0V +5V OUTPUT 0V Performance waveforms. Upper trace is the output of a Wien Bridge Oscillator. Lower trace is the output of Rail-to-Rail voltage follower. ...

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