AD538TYPICAL PERFORMANCE CHARACTERISTICS510001MVY = 10V dc VZ = VX +0.05 VX SIN ωt)4800)400kORVHzRµH (RT ( EIDTG E3600IN D AOFFSEGE100kBANDWTA2400OF RNALT SIGL %USTPL40kOFFSETALTOTA1200OUM S% OF READING0010k–55 –40–20020406080100125 003 0.010.1110 006 TEMPERATURE (°C) 00959- DENOMINATOR VOLTAGE, VX – V dc 00959- Figure 3. Multiplier Error vs. Temperature (100 mV < VX, VY, VZ ≤ 10 V) Figure 6. Small Signal Bandwidth vs. Denominator Voltage (One-Quadrant Mult/Div) 5100061200510004800))ORVORVRµRµRT (RT (E4800EG EG E3600ININDDAOFFSAOFFSEGEE3600GETATA2400OF ROF RT ST S2400L %UL %U% OF READINGTPOFFSETTPTOTA1200OUTOTAOU1200% OF READINGOFFSET0000–55 –40–20020406080100125 004 –55 –40–20020406080100125 007 TEMPERATURE (°C)TEMPERATURE (°C) 00959- 00959- Figure 4. Divider Error vs. Temperature (100 mV < VX, VY, VZ ≤ 10 V) Figure 7. Multiplier Error vs. Temperature (10 mV < VX, VY, VZ ≤ 100 mV) 100051000VX = 10V VY = 0V VZ = 5V +5V SIN ωt VOLTS4800)ORVRµR100T ( E)G E-p3600IN DOFFSV pA EGE(m OTAV2400OF R% OF READINGT S10L %U TPTOTA1200OUOFFSET1001001k10k100k1M 005 –55 –40–20020406080100125 008 INPUT FREQUENCY (Hz) 00959- TEMPERATURE (°C) 00959- Figure 5. VZ Feedthrough vs. Frequency Figure 8. Divider Error vs. Temperature (10 mV < VX, VY, VZ ≤ 100 mV) Rev. E | Page 7 of 16 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Re-Examination of Multiplier/Divider Accuracy Functional Description Stability Precautions Using The Voltage References One-Quadrant Multiplication/Division Two-Quadrant Division Log Ratio Operation Analog Computation Of Powers And Roots Square Root Operation Applications Information Transducer Linearization ARC-Tangent Approximation Outline Dimensions Ordering Guide