ad532sh-883b Analog Devices, Inc., ad532sh-883b Datasheet

ad532sh-883b

Manufacturer Part Number

ad532sh-883b

Description

Internally Trimmed Integrated Circuit Multiplier

Manufacturer

Analog Devices, Inc.

Datasheet

1.AD532SH-883B.pdf (8 pages)

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PRODUCT DESCRIPTION

The AD532 is the first pretrimmed single chip monolithic multi-

plier/divider. It guarantees a maximum multiplying error of

± 1.0% and a ± 10 V output voltage without the need for any

external trimming resistors or output op amp. Because the

AD532 is internally trimmed, its simplicity of use provides design

engineers with an attractive alternative to modular multipliers,

and its monolithic construction provides significant advantages

in size, reliability and economy. Further, the AD532 can be used

as a direct replacement for other IC multipliers that require

external trim networks.

FLEXIBILITY OF OPERATION

The AD532 multiplies in four quadrants with a transfer func-

tion of (X

a 10 V Z/(X

quadrant with a transfer function of ±√ 10 V Z. In addition to

these basic functions, the differential X and Y inputs provide

significant operating flexibility both for algebraic computation and

transducer instrumentation applications. Transfer functions,

such as XY/10 V, (X

are easily attained and are extremely useful in many modulation

and function generation applications, as well as in trigonometric

calculations for airborne navigation and guidance applications,

where the monolithic construction and small size of the AD532

offer considerable system advantages. In addition, the high

CMRR (75 dB) of the differential inputs makes the AD532

especially well qualified for instrumentation applications, as it

can provide an output signal that is the product of two transducer-

generated input signals.

– X

)(Y

) transfer function, and square roots in one

– Y

)/10 V, ±X

)/10 V, divides in two quadrants with

/10 V, and 10 V Z/(X

– X

GUARANTEED PERFORMANCE OVER TEMPERATURE

The AD532J and AD532K are specified for maximum multiplying

errors of ± 2% and ± 1% of full scale, respectively at 25°C, and

are rated for operation from 0°C to 70°C. The AD532S has a

maximum multiplying error of ± 1% of full scale at 25°C; it is

also 100% tested to guarantee a maximum error of ± 4% at the

extended operating temperature limits of –55°C and +125°C. All

devices are available in either the hermetically-sealed TO-100

metal can, TO-116 ceramic DIP or LCC packages. J, K, and

S grade chips are also available.

ADVANTAGES OF ON-THE-CHIP TRIMMING OF THE

MONOLITHIC AD532

1. True ratiometric trim for improved power supply rejection.

2. Reduced power requirements since no networks across sup-

3. More reliable since standard monolithic assembly techniques

4. High impedance X and Y inputs with negligible circuit loading.

5. Differential X and Y inputs for noise rejection and additional

plies are required.

can be used rather than more complex hybrid approaches.

computational flexibility.

Integrated Circuit Multiplier

OUT

(Not to Scale)

TOP VIEW

AD532

–V

NC = NO CONNECT

PIN CONFIGURATIONS

Internally Trimmed

(Not to Scale)

TOP VIEW

10 11 12 13

GND

AD532

20 19

OUT

–V

NC = NO CONNECT

(Not to Scale)

GND

TOP VIEW

AD532

GND

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ad532sh-883b Summary of contents

Page 1

PRODUCT DESCRIPTION The AD532 is the first pretrimmed single chip monolithic multi- plier/divider. It guarantees a maximum multiplying error of ± 1.0% and a ± output voltage without the need for any external trimming resistors or output ...

Page 2

... V Z/(X – ± 1 ± – ± 0.4 –√ ± 1.0 ± 15 ± 10 ± AD532SD AD532SH AD532SE/883B = 150°C 85°C 85°C/W JA Unit % % %/°C %/% % % p-p/°C mV/% MHz kHz V/µs µs mV (rms) mV (rms) V Ω mV mV/°C ...

Page 3

... JM38510/13903BCA –55°C to +125°C AD532SE/883B –55°C to +125°C AD532SH –55°C to +125°C AD532SH/883B –55°C to +125°C JM38510/13903BIA –55°C to +125°C AD532SCHIPS –55°C to +125°C FUNCTIONAL DESCRIPTION The functional block diagram for the AD532 is shown in Figure 1, and the complete schematic in Figure 2 ...

Page 4

AD532 AD532 PERFORMANCE CHARACTERISTICS Multiplication accuracy is defined in terms of total error at 25°C with the rated power supply. The value specified is in percent of full scale and includes X and Y IN feedback and scale factor error. ...

Page 5

0pF L L 0.1 0.01 10k 100k FREQUENCY Hz DYNAMIC CHARACTERISTICS The closed loop frequency response of the AD532 in the multi- plier mode typically exhibits bandwidth of 1 MHz and rolls ...

Page 6

AD532 APPLICATIONS CONSIDERATIONS The performance and ease of use of the AD532 is achieved through the laser trimming of thin-film resistors deposited directly on the monolithic chip. This trimming-on-the-chip technique provides a number of significant advantages in terms of cost, ...

Page 7

SQUARE ROOT AD532 OUT – 47k 2.2k 20k ( – The connections for square root mode are shown in Figure 14. Similar ...

Page 8

AD532 0.040 (1.02) MAX OUTLINE DIMENSIONS Dimensions shown in inches and (mm). Side-Brazed DIP (D-14) 0.005 (0.13) MIN 0.098 (2.49) MAX 14 8 0.310 (7.87) 0.220 (5.59 PIN 1 0.060 (1.52) 0.785 (19.94) MAX 0.015 (0.38) 0.200 (5.08) ...

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