AD734ANZ Analog Devices Inc, AD734ANZ Datasheet

IC MULT/DIV 4-QUADRANT 14-DIP

AD734ANZ

Manufacturer Part Number
AD734ANZ
Description
IC MULT/DIV 4-QUADRANT 14-DIP
Manufacturer
Analog Devices Inc
Datasheets

Specifications of AD734ANZ

Function
Analog Multiplier
Number Of Bits/stages
4-Quadrant
Package / Case
14-DIP (0.300", 7.62mm)
No. Of Multipliers / Dividers
1
No. Of Amplifiers
4
Supply Voltage Range
± 8V To ± 16.5V
Slew Rate
450V/µs
Operating Temperature Range
-40°C To +85°C
Digital Ic Case Style
DIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant

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FEATURES
High accuracy
High speed
Low distortion
Low noise
Direct division mode
APPLICATIONS
High performance replacement for AD534
Multiply, divide, square, square root
Modulators, demodulators
Wideband gain control, rms-to-dc conversion
Voltage-controlled amplifiers, oscillators, and filters
Demodulator with 40 MHz input bandwidth
GENERAL 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 p-p) 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
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 that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
0.1% typical error
10 MHz full power bandwidth
450 V/μs 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
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
X1
X2
U0
U1
U2
Y1
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 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
CERDIP and a 14-lead PDIP package. 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 CERDIP.
Y2
XIF
YIF
R
DENOMINATOR
U
FUNCTIONAL BLOCK DIAGRAM
CONTROL
10 MHz, Four-Quadrant
DD
ER
Y = Y
X = X
1
©2011 Analog Devices, Inc. All rights reserved.
U
– Y
1
– X
AD734
2
Multiplier/Divider
2
XZ
Figure 1.
U
+
HIGH ACCURACY
TRANSLINEAR CORE
Z = Z
XY ÷ U – Z
1
– Z
2
A
WIF
www.analog.com
O
ZIF
AD734
Z1
Z2
W

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AD734ANZ Summary of contents

Page 1

FEATURES High accuracy 0.1% typical error High speed 10 MHz full power bandwidth 450 V/μs slew rate 200 ns settling to 0.1% at full power Low distortion −80 dBc from any input Third-order IMD typically −75 dBc at 10 MHz ...

Page 2

AD734 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 5 Thermal Resistance ...................................................................... 5 ESD Caution.................................................................................. 5 Pin Configuration and Function Descriptions............................. ...

Page 3

SPECIFICATIONS T = +25° +15 V, − − Generalized transfer function Table 1. Parameter Conditions MULTIPLIER PERFORMANCE Transfer Function 1 Total Static Error −10 ...

Page 4

AD734 Parameter Conditions CMRR kHz Input Bias Current ( Inputs MIN MAX Input Resistance Differential Input Capacitance Differential DENOMINATOR INTERFACES (U0, U1, AND U2) Operating Range Denominator Range Interface Resistor U1 to ...

Page 5

ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Supply Voltage Internal Power Dissipation for T max = 175° and Z Input Voltages Output Short-Circuit Duration Storage Temperature Range Q-14 N-14 Operating Temperature Range AD734A, AD734B (Industrial) AD734S (Military) Lead ...

Page 6

AD734 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic Description Differential Multiplicand Input Differential Multiplicand Input Denominator Current Source Enable Interface Denominator Interface—see the Functional ...

Page 7

TYPICAL PERFORMANCE CHARACTERISTICS 0.10 0. ±15V 0. 2kΩ LOAD C = 20pF 0.04 LOAD 0.02 0 –0.02 –0.04 –0.06 –0.08 –0.10 –2V 0 SIGNAL AMPLITUDE Figure 4. Differential Gain at 3.58 MHz and R 0.25 ...

Page 8

AD734 0 TEST INPUT = 1V RMS – OTHER INPUT = 2V DC –40 –60 –80 1k 10k 100k FREQUENCY (Hz) Figure 10. THD vs. Frequency TEST INPUT = 7V RMS –20 ...

Page 9

SUPPLY VOLTAGE (± Figure 16. Output Swing vs. Supply Voltage 0 – ...

Page 10

AD734 FUNCTIONAL DESCRIPTION The AD734 embodies more than two decades of experience in the design and manufacture of analog multipliers to provide: • A new output amplifier design with more than 20 times the slew rate of the AD534 (450 ...

Page 11

Most of the functions of the AD734 (including division, unlike the AD534 in this respect) are realized with Z1 connected to W. Therefore, substituting W in place output. − − ...

Page 12

AD734 This error is not important in some closed-loop applications, such as automatic gain control (AGC), but clearly is not acceptable where the denominator value must be well-defined. When it is required to set up an accurate, fixed value of ...

Page 13

At least one of the two inputs of any pair must be provided with a dc path (usually to ground). The careful selection of ground returns is important in realizing the full accuracy of the AD734. The Z2 pin is ...

Page 14

AD734 +15V R2 AD734 1.6kΩ 1.6kΩ Esinω –15V ...

Page 15

AD734 INPUT X2 DD 0.1µ 2MΩ U INPUT 0.1µF Y ...

Page 16

AD734 is sufficient gain to raise the amplitude of E establish an output amplitude of E over the range The X input of the AD734, which has finite offset voltage, can be troublesome ...

Page 17

LOW DISTORTION MIXER The AD734’s low noise and distortion make it especially suitable for use as a mixer, modulator, or demodulator. Although the AD734’s −3 dB bandwidth is typically 10 MHz and is established by the output amplifier, the bandwidth ...

Page 18

AD734 OUTLINE DIMENSIONS 0.210 (5.33) MAX 0.150 (3.81) 0.130 (3.30) 0.110 (2.79) 0.022 (0.56) 0.018 (0.46) 0.014 (0.36) 0.775 (19.69) 0.750 (19.05) 0.735 (18.67 0.280 (7.11) 0.250 (6.35) 1 0.240 (6.10) 7 0.100 (2.54) BSC 0.060 (1.52) MAX ...

Page 19

... ORDERING GUIDE 1 Model Temperature Range AD734AN −40°C to +85°C AD734ANZ −40°C to +85°C AD734BN −40°C to +85°C AD734BNZ −40°C to +85°C AD734AQ −40°C to +85°C AD734BQ −40°C to +85°C AD734SQ/883B −55°C to +125°C AD734SCHIPS − ...

Page 20

AD734 NOTES ©2011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D00827-0-2/11(E) Rev Page ...

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