Datasheet AD538 (Analog Devices) - 3

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AD538 SPECIFICATIONS
VS = ±15 V, TA = 25°C, unless otherwise noted.
Table 1. Test Conditions/ AD538AD AD538BD AD538SD Parameter Comments Min Typ Max Min Typ Max Min Typ Max Unit
MULTIPLIER DIVIDER PERFORMANCE Nominal Transfer Function 10 V ≥ VX, VY, VZ ≥ 0 V = V (V /V )m = V (V /V )m = V (V /V )m O Y Z X VO Y Z X VO Y Z X 400 µA ≥ IX, IY, IZ ≥ 0 V = 25 kΩ × I (I /I )m = 25 kΩ × I (I /I )m = 25 kΩ × I (I /I )m O Y Z X VO Y Z X VO Y Z X Total Error Terms 100 mV ≤ VX ≤ 10 V ±0.5 ±1 ±0.25 ±0.5 ±0.5 ±1 % of Reading + 100:1 Input 100 mV ≤ VY ≤ 10 V ±200 ±500 ±100 ±250 ±200 ±500 µV Range1 100 mV ≤ VZ ≤ 10 V VZ ≤ 10 VX, m = 1.0 TA = TMIN to TMAX ±1 ±2 ±0.5 ±1 ±1.25 ±2.5 % of Reading + ±450 ±750 ±350 ±500 ±750 ±1000 µV Wide Dynamic 100 mV ≤ VX ≤ 10 V ±1 ±2 ±0.5 ±1 ±1 ±2 % of Reading + Range2 100 mV ≤ VY ≤ 10 V ±200 ±500 ±100 ±250 ±200 ±500 µV 100 mV ≤ VZ ≤ 10 V ±100 ±250 ±750 ±150 ±200 ±250 µV × (VY + VZ)/VX VZ ≤ 10 VX, m = 1.0 TA = TMIN to TMAX ±1 ±3 ±1 ±2 ±2 ±4 % of Reading + ±450 ±750 ±350 ±500 ±750 ±1000 µV + ±450 ±750 ±350 ±500 ±750 ±1000 µV × (VY + VZ)/VX Exponent (m) TA = TMIN to TMAX 0.2 5 0.2 5 0.2 5 Range OUTPUT CHARACTERISTICS Offset Voltage VY = 0, VC = ±200 ±500 ±100 ±250 ±200 ±500 µV −600 mV TA = TMIN to TMAX ±450 ±750 ±350 ±500 ±750 ±1000 µV Output Voltage RL = 2 kΩ −11 +11 −11 +11 −11 +11 V Swing Output Current 5 10 5 10 5 10 mA FREQUENCY RESPONSE Slew Rate 1.4 1.4 1.4 V/µs Small Signal 100 mV ≤ 10 VY, VZ, 400 400 400 kHz Bandwidth VX ≤ 10 V VOLTAGE REFERENCE Accuracy VREF = 10 V or 2 V ±25 ±50 ±15 ±25 ±25 ±50 mV Additional Error TA = TMIN or TMAX ±20 ±30 ±20 ±30 ±30 ±50 mV Output Current VREF = 10 V to 2 V 1 2.5 1 2.5 1 2.5 mA Power Supply Rejection +2 V = VREF ±4.5 V ≤ VS ≤ ±18 V 300 600 300 600 300 600 µV/V +10 V = VREF ±13 V ≤ VS ≤ ±18 V 200 500 200 500 200 500 µV/V POWER SUPPLY Rated RL = 2 kΩ ±15 ±15 ±15 V Operating Range3 ±4.5 ±18 ±4.5 ±18 ±4.5 ±18 V PSRR ±4.5 V<, VS < ±18 V 0.5 0.1 0.5 0.1 0.5 0.1 %/V VX = VY = VZ = 1 V VO = 1 V Quiescent Current 4.5 7 4.5 7 4.5 7 mA Rev. E | Page 3 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