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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

The AD538AD is a real-time monolithic Analog Computational Unit (ACU) provides precision analogue multiplication, division and exponentiation. The combination of low input and output offset voltages and excellent linearity results in accurate computation over an unusually wide input dynamic range. Laser wafer trimming makes multiplication and division with errors as low as 0.25% of reading possible, while typical output offsets of 100µV or less add to the overall off-the-shelf performance level. Real-time analogue signal processing is further enhanced by the 400kHz bandwidth of the device. The overall transfer function of the AD538 is VO=VY (VZ/VX)m. Programming a particular function is via pin strapping. No external components are required for one-quadrant (positive input) multiplication and division. Two-quadrant (bipolar numerator) division is possible with the use of external level shifting and scaling resistors.
Simultaneous multiplication and division
Resistor-programmable powers and roots
No external trims required
Low error ±0.25% of reading (100:1 range)
Monolithic construction
Real-time analogue multiplication, division and exponentiation
High accuracy analogue division with a wide input dynamic range
On-board +2 or +10V scaling reference
Voltage and current (summing) input modes
Monolithic construction with lower cost and higher reliability than hybrid and modular circuits
1000:1 Wide dynamic range (denominator)
<100µV Low input offsets

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AD538AD Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	18 Pin
Case/Package	CDIP-18
Supply Voltage (DC)	4.50V (min)
Output Voltage	11.0 V
Supply Current	7 mA
Number of Channels	1 Channel
Number of Positions	18 Position
Number of Bits	1 Bit
Power Dissipation	250 mW
Number of I/O Pins	18 IO
Slew Rate	1.40 V/μs
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-25 ℃
Power Dissipation (Max)	250 mW
Supply Voltage (Max)	18 V
Supply Voltage (Min)	4.5 V
Input Voltage	10 V
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Size-Length	22.865 mm
Size-Width	7.62 mm
Size-Height	3.05 mm
Operating Temperature	-25℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	Non-Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
Mil-Spec	Yes
REACH SVHC Compliance Edition	2015/12/17

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