Data Sheet
FEATURES
Pretrimmed to ±0.25% maximum 4-quadrant error (AD534L)
All inputs (X, Y, and Z) differential, high impedance for
[(X
1
− X
2
)(Y
1
− Y
2
)/10 V] + Z
2
transfer function
Scale factor adjustable to provide up to ×100 gain
Low noise design: 90 μV rms, 10 Hz to10 kHz
Low cost, monolithic construction
Excellent long-term stability
SF
Internally Trimmed
Precision IC Multiplier
AD534
FUNCTIONAL BLOCK DIAGRAM
STABLE
REFERENCE
AND BIAS
+V
S
–V
S
TRANSFER FUNCTION
X
1
X
2
Y
1
Y
2
Z
1
Z
2
V-TO-1
TRANSLINEAR
MULTIPLIER
ELEMENT
V-TO-1
A
OUT
09675-006
V
OUT
= A
(X
1
– X
2
) (Y
1
– Y
2
)
– (Z
1
– Z
2
)
SF
APPLICATIONS
High quality analog signal processing
Differential ratio and percentage computations
Algebraic and trigonometric function synthesis
Wideband, high crest rms-to-dc conversion
Accurate voltage controlled oscillators and filters
Available in chip form
V-TO-1
0.75 ATTEN
HIGH GAIN
OUTPUT
AMPLIFIER
Figure 1.
GENERAL DESCRIPTION
The
AD534
is a monolithic laser trimmed four-quadrant multi-
plier divider having accuracy specifications previously found
only in expensive hybrid or modular products. A maximum
multiplication error of ±0.25% is guaranteed for the
AD534L
without any external trimming. Excellent supply rejection, low
temperature coefficients and long-term stability of the on-chip
thin film resistors and buried Zener reference preserve accuracy
even under adverse conditions of use. It is the first multiplier to
offer fully differential, high impedance operation on all inputs,
including the Z input, a feature that greatly increases its flexibility
and ease of use. The scale factor is pretrimmed to the standard
value of 10.00 V; by means of an external resistor, this can be
reduced to values as low as 3 V.
The wide spectrum of applications and the availability of several
grades commend this multiplier as the first choice for all new
designs. The
AD534J
(±1% maximum error),
AD534K
(±0.5%
maximum), and
AD534L
(±0.25% maximum) are specified for
operation over the 0°C to +70°C temperature range. The
AD534S
(±1% maximum) and
AD534T
(±0.5% maximum) are specified
over the extended temperature range, −55°C to +125°C. All
grades are available in hermetically sealed TO-100 metal cans
and SBDIP packages.
AD534K, AD534S,
and
AD534T
chips are
also available.
Rev. D
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AD534
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 7
Thermal Resistance ...................................................................... 7
ESD Caution .................................................................................. 7
Pin Configurations and Function Descriptions ........................... 8
Typical Performance Characteristics ........................................... 10
Data Sheet
Functional Description .................................................................. 12
Provides Gain with Low Noise ..................................................... 12
Operation as a Multiplier .......................................................... 12
Operation as a Squarer .............................................................. 13
Operation as a Divider............................................................... 13
Operation as a Square Rooter ................................................... 14
Unprecedented Flexibility ......................................................... 14
Applications Information .............................................................. 15
Outline Dimensions ....................................................................... 17
Ordering Guide .......................................................................... 18
REVISION HISTORY
11/13—Rev. C to Rev. D
Changed R to R
L
in Table Summary Statements, Specifications
Section ................................................................................................ 3
Change to Pin 5, Table 5 .................................................................. 8
Change to Pin 18, Table 7 ................................................................ 9
Added Note to Figure 28 ............................................................... 17
Changes to Ordering Guide .......................................................... 18
4/11—Rev. B to Rev. C
Changes to Features Section, Figure 1, and
General Description Section ........................................................... 1
Added Pin Configurations and Function Descriptions
Section ................................................................................................ 8
Moved Provides Gain with Low Noise Section .......................... 12
Moved Unprecedented Flexibility Section .................................. 14
Updated Outline Dimensions ....................................................... 17
Changes to Ordering Guide .......................................................... 18
Rev. D | Page 2 of 20
Data Sheet
SPECIFICATIONS
T
A
= 25°C, ±V
S
= ±15 V, R
L
≥ 2 kΩ, all minimum and maximum specifications are guaranteed, unless otherwise noted.
Table 1.
Parameter
MULTIPLIER PERFORMANCE
Transfer Function
Min
AD534J
Typ
Max
Min
AD534K
Typ
Max
Min
AD534L
Typ
Max
AD534
Unit
(
X
1
X
2
)(
Y
1
Y
2
)
10 V
Z
2
±1.0
2
(
X
1
X
2
)(
Y
1
Y
2
)
10 V
±1.0
±0.015
±0.1
±0.01
±0.01
±0.2
±0.1
±0.15
±0.01
Z
2
±0.5
2
(
X
1
X
2
)(
Y
1
Y
2
)
10 V
±0.5
±0.008
±0.1
±0.005
±0.01
±0.10
±0.005
±0.05
±0.003
±2
100
1
50
20
2
Z
2
±0.25
2
%
%
%/°C
%
%/°C
%
%
%
%
%
mV
μV/°C
MHz
kHz
V/μs
μs
Total Error
1
(−10 V ≤ X, Y ≤ +10 V)
T
A
= T
MIN
to T
MAX
Total Error vs. Temperature
Scale Factor Error
(SF = 10.000 V Nominal)
3
Temperature Coefficient of
Scaling Voltage
Supply Rejection (±15 V ± 1 V)
Nonlinearity, X (X = 20 V p-p,
Y = 10 V)
Nonlinearity, Y (Y = 20 V p-p, X = 10 V)
Feedthrough
4
, X (Y Nulled,
X = 20 V p-p 50 Hz)
Feedthrough
4
, Y (X Nulled,
Y = 20 V p-p, 50 Hz)
Output Offset Voltage
Output Offset Voltage Drift
DYNAMICS
Small Signal BW (V
OUT
= 0.1 rms)
1% Amplitude Error (C
LOAD
= 1000 pF)
Slew Rate (V
OUT
20 p-p)
Settling Time (to 1%, D V
OUT
= 20 V)
NOISE
Noise Spectral Density
SF = 10 V
SF = 3 V
5
Wideband Noise
f = 10 Hz to 5 MHz
f = 10 Hz to 10 kHz
OUTPUT
Output Voltage Swing
Output Impedance (f ≤ 1 kHz)
Output Short-Circuit Current
(R
L
= 0 Ω, T
A
= T
MIN
to T
MAX
)
Amplifier Open-Loop Gain (f = 50 Hz)
INPUT AMPLIFIERS (X, Y, and Z)
6
Signal Voltage Range
Differential or Common Mode
Operating Differential
Offset Voltage (X, Y)
Offset Voltage Drift (X, Y)
Offset Voltage (Z)
Offset Voltage Drift (Z)
CMRR
±1.5
±0.022
±0.25
±0.02
±0.01
±0.4
±0.2
±0.3
±0.01
±5
200
1
50
20
2
±30
2
±0.3
2
±0.1
2
±0.3
2
±0.1
2
±15
2
±0.12
2
±0.1
2
±0.12
2
±0.1
2
±10
2
±2
100
1
50
20
2
0.8
0.4
1
90
±11
2
0.1
30
70
±11
2
0.8
0.4
1
90
±11
2
0.1
30
70
0.8
0.4
1
90
μV/√Hz
μV/√Hz
mV rms
μV rms
V
Ω
mA
dB
0.1
30
70
60
2
±10
±12
±5
100
±5
200
80
±20
2
±30
2
70
2
Rev. D | Page 3 of 20
±10
±12
±2
50
±2
100
90
±10
2
±15
2
70
2
±10
±12
±2
50
±2
100
90
±10
2
±10
2
V
V
mV
μV/°C
mV
μV/°C
dB
AD534
Parameter
Bias Current
Offset Current
Differential Resistance
DIVIDER PERFORMANCE
Transfer Function (X
1
> X
2
)
Min
AD534J
Typ
0.8
0.1
10
Max
2.0
2
Min
AD534K
Typ
0.8
0.1
10
Max
2.0
2
Min
AD534L
Typ
0.8
0.05
10
Data Sheet
Max
2.0
2
0.2
2
Unit
μA
μA
MΩ
10 V
(
Z
2
Z
1
)
(
X
1
X
2
)
Y
1
10 V
(
Z
2
Z
1
)
(
X
1
X
2
)
Y
1
10 V
(
Z
2
Z
1
)
(
X
1
X
2
)
Y
1
Total Error
1
X = 10 V, −10 V ≤ Z ≤ +10 V
X = 1 V, −1 V ≤ Z ≤ +1 V
0.1 V ≤ X ≤ 10 V, −10 V ≤ Z ≤ +10 V
SQUARER PERFORMANCE
Transfer Function
±0.75
±2.0
±2.5
±0.35
±1.0
±1.0
±0.2
±0.8
±0.8
%
%
%
(
X
1
X
2
)
2
10 V
±0.6
Z
2
(
X
1
X
2
)
2
10 V
±0.3
Z
2
(
X
1
X
2
)
2
10 V
±0.2
Z
2
%
Total Error (−10 V ≤ X ≤ +10 V)
SQUARE-ROOTER PERFORMANCE
Transfer Function (Z
1
≤ Z
2
)
Total Error
1
(1 V ≤ Z ≤ 10 V)
POWER SUPPLY SPECIFICATIONS
Supply Voltage
Rated Performance
Operating
Supply Current
Quiescent
1
2
√(10 V(Z
2
–
Z
1
)) +
X
2
±1.0
√(10 V(Z
2
–
Z
1
)) +
X
2
±0.5
√(10 V(Z
2
–
Z
1
)) +
X
2
±0.25
%
±15
±8
4
±18
6
2
2
±15
±8
4
±18
6
2
2
±15
±8
4
±18
6
2
2
V
V
mA
Specifications given are percent of full scale, ±10 V (that is, 0.01% = 1 mV).
Tested on all production units at final electrical test. Results from those tests are used to calculate outgoing quality levels.
3
Can be reduced down to 3 V using external resistor between –V
S
and SF.
4
Irreducible component due to nonlinearity; excludes effect of offsets.
5
Using external resistor adjusted to give SF = 3 V.
6
See Figure 1 for definition of sections.
Rev. D | Page 4 of 20
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