AD538ADZ - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD538ADZ
Manufacturer

ADI
ChipWorker Part#

CW478244
Category

Active Chip
Package

CDIP-18
Description

Analog Multiplier/Divider 1Bit 18Pin SBCDIP Tube
Documentation

Datasheet

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AD538ADZ Specifications

Attribute	Attribute Value

Part Number	AD538ADZ
Manufacturer	ADI
ChipWorker Part#	CW478244
Category	Active Chip
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	18 Pin
Case/Package	CDIP-18
Supply Voltage (DC)	4.50V (min)
Output Voltage	11 V
Output Current	10 mA
Supply Current	4.5 mA
Number of Circuits	1 Circuit
Number of Positions	14 Position
Number of Bits	1 Bit
Power Dissipation	250 mW
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	23.12 mm
Size-Width	7.62 mm
Size-Height	3.05 mm
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
Mil-Spec	Yes
REACH SVHC Compliance Edition	2015/12/17

Product Description

Product Details
The AD538 is a monolithic real-time computational circuit which provides precision analog 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 100 microV or less add to the overall off-the-shelf performance level. Real-time analog signal processing is further enhanced by the device"s 400 kHz bandwidth.
The AD538"s overall transfer function 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. The desired scale factor for both multiplication and division can be set using the on-chip +2 V or +10 V references, or controlled externally to provide simultaneous multiplication and division. Exponentiation with an M value from 0.2 to 5 can be implemented with the addition of one or two external resistors.
Direct log ratio computation is possible by utilizing only the log ratio and output sections of the chip. Access to the multiple summing junctions adds further to the AD538"s flexibility. Finally, a wide power-supply range of ±4.5 V to ±18 V allows operation from standard ±5 V, ± 12 V and ± 15 V supplies.
The AD538 is available in two accuracy grades (A and B) over the industrial (-25°C to +85°C) temperature range and one grade (S) over the military (-55°C to +125°C) temperature range. The device is packaged in an 18-pin TO-118 hermetic size-brazed ceramic DIP. A-grade chips are also available.
### Features and Benefits
VOUT = VY (VZ divided by VX)m Transfer Function
Wide Dynamic Range (Denominator) -1000:1
Simultaneous Multiplication and Division
Resistor-Programmable Powers and Roots
No External Trims Required
Low Input Offsets <100 µV
Low Error ±0.25% of Reading (100:1 Range)
+2 V and +10 V On-Chip References
Monolithic Construction

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
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- Anti-vibration foam
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- Surface testing

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