AD538BD Analog Devices Inc, AD538BD Datasheet
AD538BD
Specifications of AD538BD
Available stocks
Related parts for AD538BD
AD538BD Summary of contents
Page 1
FEATURES m ⎛ ⎞ ⎜ ⎟ Transfer Function OUT Y ⎝ ⎠ Wide Dynamic Range (Denominator) –1000:1 Simultaneous Multiplication and Division Resistor-Programmable Powers and Roots No External Trims Required Low Input Offsets ...
Page 2
... Z ±25 50 ± 2.5 1 300 600 200 500 ±15 4.5 18 4.5 0.5 0.1 4.5 7 –25 +85 –25 –65 +150 –65 AD538AD AD538BD AD538ACHIPS –2– AD538SD Typ Max Min Typ Max m m ⎞ ⎛ ⎞ ⎟ ⎜ ⎟ ⎠ ⎝ ⎠ ...
Page 3
RE-EXAMINATION OF MULTIPLIER/DIVIDER ACCURACY Traditionally, the “accuracy” (actually the errors) of analog multipliers and dividers have been specified in terms of percent of full scale. Thus specified multiplier error with full-scale output would mean a ...
Page 4
... Although the AD538 features proprietary ESD protection circuitry, permanent damage may AD538AD occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD AD538BD precautions are recommended to avoid performance degradation or loss of functionality. AD538ACHIPS AD538SD ...
Page 5
OFFSET 1.0 0 –55 –40 – TEMPERATURE – C Figure 1. Multiplier Error vs. Temperature ≤ (100 mV < 5.0 4.0 3.0 ...
Page 6
AD538 150 100 V = 10V +5V SIN 1.0 0.1 100 1k 10k INPUT FREQUENCY – Hz Figure 7. V Feedthrough vs. Frequency LOG 25k RATIO ...
Page 7
STABILITY PRECAUTIONS At higher frequencies, the multistaged signal path of the AD538, as illustrated in Figure 10, can result in large phase shifts condition of high incremental gain exists along that path (e.g., × ...
Page 8
AD538 TWO-QUADRANT DIVISION The two-quadrant linear divider circuit illustrated in Figure 13 uses the same basic connections as the one-quadrant version. However, in this circuit the numerator has been offset in the positive direction by adding the denominator input voltage ...
Page 9
ANALOG COMPUTATION OF POWERS AND ROOTS It is often necessary to raise the quotient of two input signals to a power or take a root. This could be squaring, cubing, square- rooting or exponentiation to some noninteger power. Examples include ...
Page 10
AD538 TRANSDUCER LINEARIZATION Many electronic transducers used in scientific, commercial or industrial equipment monitor the physical properties of a device and/or its environment. Sensing (and perhaps compensating for) changes in pressure, temperature, moisture or other physical phenomenon can be an ...
Page 11
... AD538ACHIPS −25°C to +85°C AD538AD −25°C to +85°C AD538ADZ −25°C to +85°C AD538BD −25°C to +85°C AD538BDZ −25°C to +85°C AD538SD −55°C to +125°C AD538SD/883B −55°C to +125° RoHS Compliant Part. 0.005 (0.13) MIN ...
Page 12
AD538 REVISION HISTORY 5/10—Rev Rev. D Updated Outline Dimensions ........................................................ 11 Changes to Ordering Guide ........................................................... 11 ©1986–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D00959-0-5/10(D) –12– ...