ALD4702BSB Advanced Linear Devices Inc, ALD4702BSB Datasheet

ALD4702BSB

Manufacturer Part Number

ALD4702BSB

Description

Op Amps 5V Precision

Manufacturer

Advanced Linear Devices Inc

Datasheet

1.ALD4702BSB.pdf (6 pages)

Specifications of ALD4702BSB

Number Of Channels

Voltage Gain Db

107.96 dB

Common Mode Rejection Ratio (min)

65 dB

Input Offset Voltage

2 mV

Operating Supply Voltage

5 V, 9 V

Supply Current

6 mA

Maximum Power Dissipation

30 mW

Maximum Operating Temperature

+ 70 C

Mounting Style

SMD/SMT

Package / Case

SOIC-14

Maximum Dual Supply Voltage

+/- 6 V

Minimum Operating Temperature

0 C

Lead Free Status / Rohs Status

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ORDERING INFORMATION

* Contact factory for industrial temperature range

GENERAL DESCRIPTION

The ALD4702 is a quad monolithic precision CMOS rail-to-rail

operational amplifier intended for a broad range of analog applications

using 2.5V to 6V dual power supply systems, as well as +4V to

+12V battery operated systems. All device characteristics are

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

supply current for four operational amplifiers is 6mA maximum at 5V

supply voltage. It is manufactured with Advanced Linear Devices'

enhanced ACMOS silicon gate CMOS process.

The ALD4702 is designed to offer a trade-off of performance

parameters providing a wide range of desired specifications. It offers

the popular industry pin configuration of LM324 and ICL7641 types.

The ALD4702 has been developed specifically with the +5V single

supply or 2.5V dual supply user. Several important characteristics

of the device make many applications easy to implement for these

supply voltages. First, the operational amplifier can operate with rail

to rail input and output voltages. This feature allows numerous

analog serial stages to be implemented without losing operating

voltage margin. Secondly, the device was designed to accommodate

mixed applications where digital and analog circuits may work off the

same 5V power supply. Thirdly, the output stage can drive up to

400pF capacitive and 5K resistive loads in non-inverting unity gain

connection and double the capacitance in the inverting unity gain

mode.

These features, coupled with extremely low input currents, high

voltage gain, useful bandwidth of 1.5MHz, a slew rate of 2.1V/ s, low

power dissipation, low offset voltage and temperature drift, make the

ALD4702 a truly versatile, user friendly, operational amplifier.

The ALD4702 is designed and fabricated with silicon gate CMOS

technology, and offers 1pA typical input bias current. On-chip offset

voltage trimming allows the device to be used without nulling in most

applications. The device offers typical offset drift of less than 7 V/

For precision applications, the ALD4702 is designed to settle to

0.01% in 8 s.

C which eliminates many trim or temperature compensation circuits.

-55 C to +125 C

14-Pin

CERDIP

Package

ALD4702A DB

ALD4702B DB

ALD4702 DB

INEAR

DVANCED

EVICES,

Operating Temperature Range*

QUAD 5V RAIL-TO-RAIL PRECISION OPERATIONAL AMPLIFIER

NC.

0 C to +70 C

Small Outline

Package (SOIC)

ALD4702A SB

ALD4702B SB

ALD4702 SB

14-Pin

0 C to +70 C

14-Pin

Plastic Dip

ALD4702B PB

ALD4702 PB

Package

ALD4702A PB

PIN CONFIGURATION

FEATURES

• Rail-to-rail input and output voltage ranges

• Symmetrical push-pull class AB output drivers

• All parameters specified for +5V single supply

• Inputs can extend beyond supply rails by 300mV

• Outputs settle to 2mV of supply rails

• High load capacitance capability up to 4000pF

• No frequency compensation required --

• Extremely low input bias currents --

• Ideal for high source impedance applications

• Dual power supply 2.5V to 5.0V operation

• Single power supply +5V to +12V operation

• High voltage gain-typically 85V/mV @ 2.5V

• Drive as low as 2K load with 5mA drive current

• Output short circuit protected

• Unity gain bandwidth of 1.5MHz

• Slew rate of 1.9V/ s

• Low power dissipation

APPLICATIONS

• Voltage amplifier

• Voltage follower/buffer

• 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 convert

• Coaxial cable driver

or 2.5V dual supply systems

unity gain stable

1.0pA typical

and 250V/mV @ 5.0V

OUT

+IN

-IN

V +

DB, PB, SB Package

ALD4702A/ALD4702B

-IN

+IN

V-

OUT

+IN

-IN

ALD4702

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ALD4702BSB Summary of contents

Page 1

A DVANCED L INEAR D I EVICES, NC. QUAD 5V RAIL-TO-RAIL PRECISION OPERATIONAL AMPLIFIER GENERAL DESCRIPTION The ALD4702 is a quad monolithic precision CMOS rail-to-rail operational amplifier intended for a broad range of analog applications using 2. dual ...

Page 2

ABSOLUTE MAXIMUM RATINGS + Supply voltage, V referenced to V Supply voltage, V referenced Differential input voltage range Power dissipation Operating temperature range PB, SB package Storage temperature range Lead temperature, 10 seconds OPERATING ELECTRICAL CHARACTERISTICS T ...

Page 3

OPERATING ELECTRICAL CHARACTERISTICS (cont' 2.5V unless otherwise specified A S Parameter Symbol Min Maximum Load C L Capacitance Input Noise e n Voltage Input Current Noise i n Settling t s Time T = ...

Page 4

Design & Operating Notes: 1. The ALD4702 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. The ALD4702 is internally compensated ...

Page 5

TYPICAL PERFORMANCE CHARACTERISTICS OUTPUT VOLTAGE SWING AS A FUNCTION OF SUPPLY VOLTAGE 125 10K 10K SUPPLY VOLTAGE ...

Page 6

RAIL-TO-RAIL VOLTAGE FOLLOWER/BUFFER 400pF See rail to rail waveform LOW OFFSET SUMMING AMPLIFIER 50K 10K +2.5V INPUT 1 INPUT 2 - 10K GAIN = ...

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