ad505k Analog Devices, Inc., ad505k Datasheet

ad505k

Manufacturer Part Number

ad505k

Description

Integrated Circui Highspeedoperational Amplifie

Manufacturer

Analog Devices, Inc.

Datasheet

1.AD505K.pdf (6 pages)

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and reliable.

Information

for its use; nor for any infringements

parties which may result from its use. No license is granted by implica-

tion or otherwise

up to 3SdB of additional closed loop gain at high frequencies,

without causing the small signal or large signal bandwidth to

decrease, and without increasing settling times.

PRODUCT DESCRIPTION

for applications requiring high slew rate and fast settling time

maintains high gain, maximum offset voltage drift of lSp.V/C,

maximum bias currents of 2SnA and high output swing.

The circuit has a stable 6dB/octave rolloff for closed loop

operation.

The ADSOS is designed for high speed inverting applications

by using a feed-forward technique.

loads in excess of 1000pF and is short circuit protected.

The ADSOS provides performance superior to most high

speed IC op amps and comparable to modular versions.

Because of its monolithic construction, however, its cost is

significantly below that of modules, and becomes even lower

in large quantities.

All the circuits are supplied in the TO-100 package. The

ADSOS) and ADSOSK are specified for DoCto +70oC

temperature range operation; the ADSOSS for operation

from -55°C to +100°C.

The Analog Devices ADSOS), ADSOSK and ADSOSS are

monolithic operational amplifiers that are specifically designed

to high accuracy. The ADSOS achieves a minimum slew rate

of 120V/l1sec, provides an adjustable unity gain bandwidth

product of 4MHz to 10MHz, and settles to 0.1 % in 800nsec.

In addition to its superior dynamic characteristics, the ADSOS

FEATURES

High Slew Rate: 120V/p.sec min

Fast Settling Time: 0.1% in 800nsec

Low Ib: 25nA max (K)

Low Vos: 2.5mV max (K)

Low Vos Drift: 15p.vfc

Drives 1000pF

Low Price: $10.00 (100's, J)

APPLICA TIONS

Wideband Amplifiers

Active Filters

DIA and AID Conversion

Pulse Amplifiers

Fast Multiplier Pre-Amps

furnished

However,

DEVICES

It is also capable of being externally adjusted for

ANALOG

under any patent

no responsibility

by Analog

0.01 % in 2p.sec

max (K)

Devices

or patent

of patents

is assumed

It can drive capacitive

is believed

rights of Analog Devices.

or other rights of third

by Analog Devices

to ue accurate

HighSpeedOperational Amplifier

Route 1 Industrial Park; P.O. Box 280; Norwood, Mass. 02062

Tel: 617/329-4700

PRODUCT HIGHLIGHTS

subject to misinterpretation

often more dependent upon the test circuit than the

amplifier's ability to perform.

Slew rate defines the maximum rate of change of output

voltage for a large input step change and can be related to

speed of response to an input. Slew rate is an inherent

characteristic of the amplifier and, thus, is generally less

the full power response (fp) by the relationship.

SLEW RATE AND SETTLING TIME

Both slew rate and settling time are measures of an amplifier's

. . . . . where Eo is the peak output voltage.

ADSOS an all-purpose amplifier that is free of the

The ADSOS achieves a minimum slew rate of

All guaranteed parameters, including slew rate and

The ADSOS maintains low bias currents of 2SnA max

and low Vos drift of lSp.V/C max.

Ease of use and predictability of operation make the

problems found in most high frequency amplifiers.

120V /l1sec and settles to 0.1 % in 800nsec.

offset voltage drift, are 100% tested.

lffl"-I1IJ!~"\!f

S = 21TfpEo

Integrated Circuit

than is settling time, which is

;"",

(continued on page 3)

TWX: 710/394-6577

. .. .

505

Related parts for ad505k

ad505k Summary of contents

Page 1

ANALOG W DEVICES FEATURES High Slew Rate: 120V/p.sec min Fast Settling Time: 0.1% in 800nsec 0. 2p.sec Low Ib: 25nA max (K) Low Vos: 2.5mV max (K) Low Vos Drift: 15p.vfc max (K) Drives 1000pF Low Price: ...

Page 2

... NOTES: ; See Figure 1 for test circuit diagram. 3 +12SoC operation is possible with a lOOoC/W heat sink. Subject to change; refer to latest Microcircuit AD505K 200,000 min (500,000 typ) 150,000 min . 2.5mV max (1.0mV typ) . 15j.LVtC max (8j.LVtC typ) typ) 25nA rnax (l5nA typ) 40nA max max (6 ...

Page 3

Settling time is defined as the time elapsed from the application of a fast step input to the time when the amplifier output has entered and remained within a specified error band that is symmetrical about ...

Page 4

GENERAL PURPOSE WtDEBAND COMPENSATION I An approximate high frequency equivalent circuit of the AD505 is shown in Figure 5. The unity gain open loop gain bandwidth product can be adjusted over the range of 4MHz to 10MHz by selecting resistor ...

Page 5

NULLING THE AD505 The offset voltage of the AD505 is extremely small and, there- fore, nulling is generally not required. However, should offset nulling be desirable, Figure 8 shows a very effective, high resolution nulling circuit that may be used ...

Page 6

Preamplifier for Fast IC Multiplier Preamplifier for Fast IC Multiplier Multipliers often provide their best accuracy when both inputs and output can swing through the full-scale range. One of the problems in taking advantage of the excellent high frequency capabilities ...

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