AD734AQ Analog Devices Inc, AD734AQ Datasheet

AD734AQ

Manufacturer Part Number

AD734AQ

Description

IC MULTIPLIER/DIVIDER 14-CDIP

Manufacturer

Analog Devices Inc

Datasheet

1.AD734AQ.pdf (12 pages)

Specifications of AD734AQ

Rohs Status

RoHS non-compliant

Function

Analog Multiplier

Number Of Bits/stages

4-Quadrant

Package / Case

14-CDIP (0.300", 7.62mm)

No. Of Multipliers / Dividers

No. Of Amplifiers

Supply Voltage Range

Â± 8V To Â± 16.5V

Slew Rate

450V/Âµs

Operating Temperature Range

-40Â°C To +85Â°C

Digital Ic Case Style

DIP

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

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REV. C

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.

PRODUCT DESCRIPTION

The AD734 is an accurate high speed, four-quadrant analog

multiplier that is pin-compatible with the industry-standard

AD534 and provides the transfer function W = XY/U. The

AD734 provides a low-impedance voltage output with a full-

power (20 V pk-pk) bandwidth of 10 MHz. Total static error

(scaling, offsets, and nonlinearities combined) is 0.1% of full

scale. Distortion is typically less than –80 dBc and guaranteed.

The low capacitance X, Y and Z inputs are fully differential. In

most applications, no external components are required to

define the function.

The internal scaling (denominator) voltage U is 10 V, derived

from a buried-Zener voltage reference. A new feature provides

the option of substituting an external denominator voltage,

allowing the use of the AD734 as a two-quadrant divider with a

1000:1 denominator range and a signal bandwidth that remains

10 MHz to a gain of 20 dB, 2 MHz at a gain of 40 dB and

200 kHz at a gain of 60 dB, for a gain-bandwidth product of

200 MHz.

The advanced performance of the AD734 is achieved by a

combination of new circuit techniques, the use of a high speed

complementary bipolar process and a novel approach to laser-

trimming based on ac signals rather than the customary dc

methods. The wide bandwidth (>40 MHz) of the AD734’s

input stages and the 200 MHz gain-bandwidth product of the

multiplier core allow the AD734 to be used as a low distortion

FEATURES

High Accuracy

High Speed

Low Distortion

Low Noise

Direct Division Mode

APPLICATIONS

High Performance Replacement for AD534

Multiply, Divide, Square, Square Root

Modulator, Demodulator

Wideband Gain Control, RMS-DC Conversion

Voltage-Controlled Amplifiers, Oscillators, and Filters

Demodulator with 40 MHz Input Bandwidth

0.1% Typical Error

10 MHz Full-Power Bandwidth

450 V/ s Slew Rate

200 ns Settling to 0.1% at Full Power

–80 dBc from Any Input

Third-Order IMD Typically –75 dBc at 10 MHz

94 dB SNR, 10 Hz to 20 kHz

70 dB SNR, 10 Hz to 10 MHz

2 MHz BW at Gain of 100

demodulator with input frequencies as high as 40 MHz as long

as the desired output frequency is less than 10 MHz.

The AD734AQ and AD734BQ are specified for the industrial

temperature range of –40 C to +85 C and come in a 14-lead

ceramic DIP. The AD734SQ/883B, available processed to

MIL-STD-883B for the military range of –55 C to +125 C, is

available in a 14-lead ceramic DIP.

PRODUCT HIGHLIGHTS

The AD734 embodies more than two decades of experience in

the design and manufacture of analog multipliers, to provide:

1. A new output amplifier design with more than twenty times

2. Very low distortion, even at full power, through the use of

3. Direct control of the denominator, resulting in higher

4. Very clean transient response, achieved through the use of a

5. Superior noise performance by careful choice of device

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

Tel: 781/329-4700

Fax: 781/326-8703

the slew-rate of the AD534 (450 V/ s versus 20 V/ s) for a

full power (20 V pk-pk) bandwidth of 10 MHz.

circuit and trimming techniques that virtually eliminate all of

the spurious nonlinearities found in earlier designs.

multiplier accuracy and a gain-bandwidth product at small

denominator values that is typically 200 times greater than

that of the AD534 in divider modes.

novel input stage design and wide-band output amplifier,

which also ensure that distortion remains low even at high

frequencies.

geometries and operating conditions, which provide a

guaranteed 88 dB of dynamic range in a 20 kHz bandwidth.

DENOMINATOR

INTERFACE

X INPUT

Y INPUT

(Q Package and N Package)

CONNECTION DIAGRAM

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

10 MHz, 4-Quadrant

(Not to Scale)

14-Lead DIP

TOP VIEW

AD734

Multiplier/Divider

VP POSITIVE SUPPLY

DD DENOMINATOR DISABLE

W OUTPUT

ER REFERENCE VOLTAGE

VN NEGATIVE SUPPLY

Z INPUT

AD734

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AD734AQ Summary of contents

Page 1

... MHz as long as the desired output frequency is less than 10 MHz. The AD734AQ and AD734BQ are specified for the industrial temperature range of – +85 C and come in a 14-lead ceramic DIP. The AD734SQ/883B, available processed to MIL-STD-883B for the military range of – +125 C, is available in a 14-lead ceramic DIP ...

Page 2

AD734–SPECIFICATIONS TRANSFER FUNCTION Parameter Conditions MULTIPLIER PERFORMANCE Transfer Function 1 Total Static Error –10 V Over MIN MAX vs. Temperature T MIN vs. Either Supply V Peak Nonlinearity –10 V – ...

Page 3

... Ceramic DIP: = 110 C/W. JA REV Model AD734AN AD734BN AD734AQ AD734BQ AD734SQ/883B – +125 C AD734SCHIPS – +125 C CHIP DIMENSIONS & BONDING DIAGRAM Dimensions shown in inches and (mm). (Contact factory for latest dimensions.) –3– AD734 ORDERING GUIDE ...

Page 4

AD734 – X HIGH-ACCURACY 1 2 XIF TRANSLINER X2 MULTIPLIER CORE DENOMINATOR CONTROL YIF – ...

Page 5

AD734 can be operated using the standard (AD534) divider connections (Figure 8), when the negative feedback path is established via the Y input. Substituting W for Y 2 (2), we get ...

Page 6

AD734 Table I. Component Values for Setting Up Nonstandard Denominator Values Denominator R1 (Fixed) R1 (Variable 174 k 100 k ...

Page 7

Current Output It may occasionally be desirable to convert the output voltage to a current. In correlation applications, for example, multiplica- tion is followed by integration; if the output is in the form of a current, a simple grounded capacitor ...

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AD734AQ Analog Devices Inc, AD734AQ Datasheet

AD734AQ

Specifications of AD734AQ

Available stocks

Related parts for AD734AQ

AD734AQ Summary of contents

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