AD524B AD [Analog Devices], AD524B Datasheet

AD524B

Manufacturer Part Number

AD524B

Description

Precision Instrumentation Amplifier

Manufacturer

AD [Analog Devices]

Datasheet

1.AD524B.pdf (16 pages)

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PRODUCT DESCRIPTION

The AD524 is a precision monolithic instrumentation amplifier

designed for data acquisition applications requiring high accu-

racy under worst-case operating conditions. An outstanding

combination of high linearity, high common mode rejection, low

offset voltage drift and low noise makes the AD524 suitable for

use in many data acquisition systems.

The AD524 has an output offset voltage drift of less than 25 µV/ C,

input offset voltage drift of less than 0.5 µV/ C, CMR above

90 dB at unity gain (120 dB at G = 1000) and maximum non-

linearity of 0.003% at G = 1. In addition to the outstanding dc

specifications, the AD524 also has a 25 kHz gain bandwidth

product (G = 1000). To make it suitable for high speed data

acquisition systems the AD524 has an output slew rate of 5 V/µs

and settles in 15 µs to 0.01% for gains of 1 to 100.

As a complete amplifier the AD524 does not require any exter-

nal components for fixed gains of 1, 10, 100 and 1000. For

other gain settings between 1 and 1000 only a single resistor is

required. The AD524 input is fully protected for both power-on

and power-off fault conditions.

The AD524 IC instrumentation amplifier is available in four

different versions of accuracy and operating temperature range.

The economical “A” grade, the low drift “B” grade and lower

drift, higher linearity “C” grade are specified from –25 C to

+85 C. The “S” grade guarantees performance to specification

over the extended temperature range –55 C to +125 C. Devices

are available in 16-lead ceramic DIP and SOIC packages and a

20-terminal leadless chip carrier.

REV. E

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

FEATURES

Low Noise: 0.3 V p-p 0.1 Hz to 10 Hz

Low Nonlinearity: 0.003% (G = 1)

High CMRR: 120 dB (G = 1000)

Low Offset Voltage: 50 V

Low Offset Voltage Drift: 0.5 V/ C

Gain Bandwidth Product: 25 MHz

Pin Programmable Gains of 1, 10, 100, 1000

Input Protection, Power On–Power Off

No External Components Required

Internally Compensated

MIL-STD-883B and Chips Available

16-Lead Ceramic DIP and SOIC Packages and

Available in Tape and Reel in Accordance

Standard Military Drawing Also Available

20-Terminal Leadless Chip Carriers Available

with EIA-481A Standard

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

PRODUCT HIGHLIGHTS

1. The AD524 has guaranteed low offset voltage, offset voltage

2. The AD524 is functionally complete with pin programmable

3. Input and output offset nulling terminals are provided for

4. The AD524 is input protected for both power-on and power-

5. The AD524 offers superior dynamic performance with a gain

G = 1000

–INPUT

G = 100

+INPUT

drift and low noise for precision high gain applications.

gains of 1, 10, 100 and 1000, and single resistor program-

mable for any gain.

very high precision applications and to minimize offset volt-

age changes in gain ranging applications.

off fault conditions.

bandwidth product of 25 MHz, full power response of 75 kHz

and a settling time of 15 µs to 0.01% of a 20 V step (G = 100).

G = 10

Instrumentation Amplifier

PROTECTION

FUNCTIONAL BLOCK DIAGRAM

4.44k

404

World Wide Web Site: http://www.analog.com

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AD524

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Precision

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